Antoine Tenart | 301422e | 2018-07-13 16:51:37 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2017 Marvell |
| 4 | * |
| 5 | * Antoine Tenart <antoine.tenart@free-electrons.com> |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <linux/device.h> |
| 9 | #include <linux/dma-mapping.h> |
| 10 | #include <linux/dmapool.h> |
| 11 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 12 | #include <crypto/aead.h> |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 13 | #include <crypto/aes.h> |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 14 | #include <crypto/authenc.h> |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 15 | #include <crypto/des.h> |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 16 | #include <crypto/sha.h> |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 17 | #include <crypto/skcipher.h> |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 18 | #include <crypto/internal/aead.h> |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 19 | #include <crypto/internal/skcipher.h> |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 20 | |
| 21 | #include "safexcel.h" |
| 22 | |
| 23 | enum safexcel_cipher_direction { |
| 24 | SAFEXCEL_ENCRYPT, |
| 25 | SAFEXCEL_DECRYPT, |
| 26 | }; |
| 27 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 28 | enum safexcel_cipher_alg { |
| 29 | SAFEXCEL_DES, |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 30 | SAFEXCEL_3DES, |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 31 | SAFEXCEL_AES, |
| 32 | }; |
| 33 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 34 | struct safexcel_cipher_ctx { |
| 35 | struct safexcel_context base; |
| 36 | struct safexcel_crypto_priv *priv; |
| 37 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 38 | u32 mode; |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 39 | enum safexcel_cipher_alg alg; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 40 | bool aead; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 41 | |
| 42 | __le32 key[8]; |
| 43 | unsigned int key_len; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 44 | |
| 45 | /* All the below is AEAD specific */ |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 46 | u32 hash_alg; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 47 | u32 state_sz; |
Antoine Tenart | 87eee12 | 2018-05-29 14:13:48 +0200 | [diff] [blame] | 48 | u32 ipad[SHA512_DIGEST_SIZE / sizeof(u32)]; |
| 49 | u32 opad[SHA512_DIGEST_SIZE / sizeof(u32)]; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 50 | }; |
| 51 | |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 52 | struct safexcel_cipher_req { |
Ofer Heifetz | 847ccfc | 2017-12-14 15:26:49 +0100 | [diff] [blame] | 53 | enum safexcel_cipher_direction direction; |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 54 | /* Number of result descriptors associated to the request */ |
| 55 | unsigned int rdescs; |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 56 | bool needs_inv; |
| 57 | }; |
| 58 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 59 | static void safexcel_skcipher_token(struct safexcel_cipher_ctx *ctx, u8 *iv, |
| 60 | struct safexcel_command_desc *cdesc, |
| 61 | u32 length) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 62 | { |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 63 | struct safexcel_token *token; |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 64 | u32 offset = 0, block_sz = 0; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 65 | |
| 66 | if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CBC) { |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 67 | switch (ctx->alg) { |
| 68 | case SAFEXCEL_DES: |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 69 | block_sz = DES_BLOCK_SIZE; |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 70 | cdesc->control_data.options |= EIP197_OPTION_2_TOKEN_IV_CMD; |
| 71 | break; |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 72 | case SAFEXCEL_3DES: |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 73 | block_sz = DES3_EDE_BLOCK_SIZE; |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 74 | cdesc->control_data.options |= EIP197_OPTION_2_TOKEN_IV_CMD; |
| 75 | break; |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 76 | case SAFEXCEL_AES: |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 77 | block_sz = AES_BLOCK_SIZE; |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 78 | cdesc->control_data.options |= EIP197_OPTION_4_TOKEN_IV_CMD; |
| 79 | break; |
| 80 | } |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 81 | |
| 82 | offset = block_sz / sizeof(u32); |
| 83 | memcpy(cdesc->control_data.token, iv, block_sz); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | token = (struct safexcel_token *)(cdesc->control_data.token + offset); |
| 87 | |
| 88 | token[0].opcode = EIP197_TOKEN_OPCODE_DIRECTION; |
| 89 | token[0].packet_length = length; |
Antoine Tenart | 15f64ee | 2018-03-19 09:21:18 +0100 | [diff] [blame] | 90 | token[0].stat = EIP197_TOKEN_STAT_LAST_PACKET | |
| 91 | EIP197_TOKEN_STAT_LAST_HASH; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 92 | token[0].instructions = EIP197_TOKEN_INS_LAST | |
| 93 | EIP197_TOKEN_INS_TYPE_CRYTO | |
| 94 | EIP197_TOKEN_INS_TYPE_OUTPUT; |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 95 | |
| 96 | if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CBC) { |
| 97 | u32 last = (EIP197_MAX_TOKENS - 1) - offset; |
| 98 | |
| 99 | token[last].opcode = EIP197_TOKEN_OPCODE_CTX_ACCESS; |
| 100 | token[last].packet_length = EIP197_TOKEN_DIRECTION_EXTERNAL | |
| 101 | EIP197_TOKEN_EXEC_IF_SUCCESSFUL| |
| 102 | EIP197_TOKEN_CTX_OFFSET(0x2); |
| 103 | token[last].stat = EIP197_TOKEN_STAT_LAST_HASH | |
| 104 | EIP197_TOKEN_STAT_LAST_PACKET; |
| 105 | token[last].instructions = |
| 106 | EIP197_TOKEN_INS_ORIGIN_LEN(block_sz / sizeof(u32)) | |
| 107 | EIP197_TOKEN_INS_ORIGIN_IV0; |
| 108 | |
| 109 | /* Store the updated IV values back in the internal context |
| 110 | * registers. |
| 111 | */ |
| 112 | cdesc->control_data.control1 |= CONTEXT_CONTROL_CRYPTO_STORE; |
| 113 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 114 | } |
| 115 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 116 | static void safexcel_aead_token(struct safexcel_cipher_ctx *ctx, u8 *iv, |
| 117 | struct safexcel_command_desc *cdesc, |
| 118 | enum safexcel_cipher_direction direction, |
| 119 | u32 cryptlen, u32 assoclen, u32 digestsize) |
| 120 | { |
| 121 | struct safexcel_token *token; |
| 122 | unsigned offset = 0; |
| 123 | |
| 124 | if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CBC) { |
| 125 | offset = AES_BLOCK_SIZE / sizeof(u32); |
| 126 | memcpy(cdesc->control_data.token, iv, AES_BLOCK_SIZE); |
| 127 | |
| 128 | cdesc->control_data.options |= EIP197_OPTION_4_TOKEN_IV_CMD; |
| 129 | } |
| 130 | |
| 131 | token = (struct safexcel_token *)(cdesc->control_data.token + offset); |
| 132 | |
| 133 | if (direction == SAFEXCEL_DECRYPT) |
| 134 | cryptlen -= digestsize; |
| 135 | |
| 136 | token[0].opcode = EIP197_TOKEN_OPCODE_DIRECTION; |
| 137 | token[0].packet_length = assoclen; |
| 138 | token[0].instructions = EIP197_TOKEN_INS_TYPE_HASH | |
| 139 | EIP197_TOKEN_INS_TYPE_OUTPUT; |
| 140 | |
| 141 | token[1].opcode = EIP197_TOKEN_OPCODE_DIRECTION; |
| 142 | token[1].packet_length = cryptlen; |
| 143 | token[1].stat = EIP197_TOKEN_STAT_LAST_HASH; |
| 144 | token[1].instructions = EIP197_TOKEN_INS_LAST | |
| 145 | EIP197_TOKEN_INS_TYPE_CRYTO | |
| 146 | EIP197_TOKEN_INS_TYPE_HASH | |
| 147 | EIP197_TOKEN_INS_TYPE_OUTPUT; |
| 148 | |
| 149 | if (direction == SAFEXCEL_ENCRYPT) { |
| 150 | token[2].opcode = EIP197_TOKEN_OPCODE_INSERT; |
| 151 | token[2].packet_length = digestsize; |
| 152 | token[2].stat = EIP197_TOKEN_STAT_LAST_HASH | |
| 153 | EIP197_TOKEN_STAT_LAST_PACKET; |
| 154 | token[2].instructions = EIP197_TOKEN_INS_TYPE_OUTPUT | |
| 155 | EIP197_TOKEN_INS_INSERT_HASH_DIGEST; |
| 156 | } else { |
| 157 | token[2].opcode = EIP197_TOKEN_OPCODE_RETRIEVE; |
| 158 | token[2].packet_length = digestsize; |
| 159 | token[2].stat = EIP197_TOKEN_STAT_LAST_HASH | |
| 160 | EIP197_TOKEN_STAT_LAST_PACKET; |
| 161 | token[2].instructions = EIP197_TOKEN_INS_INSERT_HASH_DIGEST; |
| 162 | |
| 163 | token[3].opcode = EIP197_TOKEN_OPCODE_VERIFY; |
| 164 | token[3].packet_length = digestsize | |
| 165 | EIP197_TOKEN_HASH_RESULT_VERIFY; |
| 166 | token[3].stat = EIP197_TOKEN_STAT_LAST_HASH | |
| 167 | EIP197_TOKEN_STAT_LAST_PACKET; |
| 168 | token[3].instructions = EIP197_TOKEN_INS_TYPE_OUTPUT; |
| 169 | } |
| 170 | } |
| 171 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 172 | static int safexcel_skcipher_aes_setkey(struct crypto_skcipher *ctfm, |
| 173 | const u8 *key, unsigned int len) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 174 | { |
| 175 | struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); |
| 176 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
Antoine Ténart | 871df31 | 2017-12-14 15:26:58 +0100 | [diff] [blame] | 177 | struct safexcel_crypto_priv *priv = ctx->priv; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 178 | struct crypto_aes_ctx aes; |
| 179 | int ret, i; |
| 180 | |
| 181 | ret = crypto_aes_expand_key(&aes, key, len); |
| 182 | if (ret) { |
| 183 | crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); |
| 184 | return ret; |
| 185 | } |
| 186 | |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 187 | if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) { |
Ofer Heifetz | c4daf4c | 2017-12-14 15:26:47 +0100 | [diff] [blame] | 188 | for (i = 0; i < len / sizeof(u32); i++) { |
| 189 | if (ctx->key[i] != cpu_to_le32(aes.key_enc[i])) { |
| 190 | ctx->base.needs_inv = true; |
| 191 | break; |
| 192 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 193 | } |
| 194 | } |
| 195 | |
| 196 | for (i = 0; i < len / sizeof(u32); i++) |
| 197 | ctx->key[i] = cpu_to_le32(aes.key_enc[i]); |
| 198 | |
| 199 | ctx->key_len = len; |
| 200 | |
| 201 | memzero_explicit(&aes, sizeof(aes)); |
| 202 | return 0; |
| 203 | } |
| 204 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 205 | static int safexcel_aead_aes_setkey(struct crypto_aead *ctfm, const u8 *key, |
| 206 | unsigned int len) |
| 207 | { |
| 208 | struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); |
| 209 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 210 | struct safexcel_ahash_export_state istate, ostate; |
| 211 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 212 | struct crypto_authenc_keys keys; |
| 213 | |
| 214 | if (crypto_authenc_extractkeys(&keys, key, len) != 0) |
| 215 | goto badkey; |
| 216 | |
| 217 | if (keys.enckeylen > sizeof(ctx->key)) |
| 218 | goto badkey; |
| 219 | |
| 220 | /* Encryption key */ |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 221 | if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma && |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 222 | memcmp(ctx->key, keys.enckey, keys.enckeylen)) |
| 223 | ctx->base.needs_inv = true; |
| 224 | |
| 225 | /* Auth key */ |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 226 | switch (ctx->hash_alg) { |
Antoine Tenart | 01ba061 | 2018-05-14 15:11:04 +0200 | [diff] [blame] | 227 | case CONTEXT_CONTROL_CRYPTO_ALG_SHA1: |
| 228 | if (safexcel_hmac_setkey("safexcel-sha1", keys.authkey, |
| 229 | keys.authkeylen, &istate, &ostate)) |
| 230 | goto badkey; |
| 231 | break; |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 232 | case CONTEXT_CONTROL_CRYPTO_ALG_SHA224: |
| 233 | if (safexcel_hmac_setkey("safexcel-sha224", keys.authkey, |
| 234 | keys.authkeylen, &istate, &ostate)) |
| 235 | goto badkey; |
| 236 | break; |
| 237 | case CONTEXT_CONTROL_CRYPTO_ALG_SHA256: |
| 238 | if (safexcel_hmac_setkey("safexcel-sha256", keys.authkey, |
| 239 | keys.authkeylen, &istate, &ostate)) |
| 240 | goto badkey; |
| 241 | break; |
Antoine Tenart | ea23cb5 | 2018-05-29 14:13:52 +0200 | [diff] [blame] | 242 | case CONTEXT_CONTROL_CRYPTO_ALG_SHA384: |
| 243 | if (safexcel_hmac_setkey("safexcel-sha384", keys.authkey, |
| 244 | keys.authkeylen, &istate, &ostate)) |
| 245 | goto badkey; |
| 246 | break; |
Antoine Tenart | 87eee12 | 2018-05-29 14:13:48 +0200 | [diff] [blame] | 247 | case CONTEXT_CONTROL_CRYPTO_ALG_SHA512: |
| 248 | if (safexcel_hmac_setkey("safexcel-sha512", keys.authkey, |
| 249 | keys.authkeylen, &istate, &ostate)) |
| 250 | goto badkey; |
| 251 | break; |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 252 | default: |
| 253 | dev_err(priv->dev, "aead: unsupported hash algorithm\n"); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 254 | goto badkey; |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 255 | } |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 256 | |
| 257 | crypto_aead_set_flags(ctfm, crypto_aead_get_flags(ctfm) & |
| 258 | CRYPTO_TFM_RES_MASK); |
| 259 | |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 260 | if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma && |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 261 | (memcmp(ctx->ipad, istate.state, ctx->state_sz) || |
| 262 | memcmp(ctx->opad, ostate.state, ctx->state_sz))) |
| 263 | ctx->base.needs_inv = true; |
| 264 | |
| 265 | /* Now copy the keys into the context */ |
| 266 | memcpy(ctx->key, keys.enckey, keys.enckeylen); |
| 267 | ctx->key_len = keys.enckeylen; |
| 268 | |
| 269 | memcpy(ctx->ipad, &istate.state, ctx->state_sz); |
| 270 | memcpy(ctx->opad, &ostate.state, ctx->state_sz); |
| 271 | |
| 272 | memzero_explicit(&keys, sizeof(keys)); |
| 273 | return 0; |
| 274 | |
| 275 | badkey: |
| 276 | crypto_aead_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); |
| 277 | memzero_explicit(&keys, sizeof(keys)); |
| 278 | return -EINVAL; |
| 279 | } |
| 280 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 281 | static int safexcel_context_control(struct safexcel_cipher_ctx *ctx, |
Ofer Heifetz | 847ccfc | 2017-12-14 15:26:49 +0100 | [diff] [blame] | 282 | struct crypto_async_request *async, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 283 | struct safexcel_cipher_req *sreq, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 284 | struct safexcel_command_desc *cdesc) |
| 285 | { |
| 286 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 287 | int ctrl_size; |
| 288 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 289 | if (ctx->aead) { |
| 290 | if (sreq->direction == SAFEXCEL_ENCRYPT) |
| 291 | cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_ENCRYPT_HASH_OUT; |
| 292 | else |
| 293 | cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_HASH_DECRYPT_IN; |
| 294 | } else { |
| 295 | cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_CRYPTO_OUT; |
Antoine Tenart | 3a5ca230 | 2018-05-14 15:10:57 +0200 | [diff] [blame] | 296 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 297 | /* The decryption control type is a combination of the |
| 298 | * encryption type and CONTEXT_CONTROL_TYPE_NULL_IN, for all |
| 299 | * types. |
| 300 | */ |
| 301 | if (sreq->direction == SAFEXCEL_DECRYPT) |
| 302 | cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_NULL_IN; |
| 303 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 304 | |
| 305 | cdesc->control_data.control0 |= CONTEXT_CONTROL_KEY_EN; |
| 306 | cdesc->control_data.control1 |= ctx->mode; |
| 307 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 308 | if (ctx->aead) |
| 309 | cdesc->control_data.control0 |= CONTEXT_CONTROL_DIGEST_HMAC | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 310 | ctx->hash_alg; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 311 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 312 | if (ctx->alg == SAFEXCEL_DES) { |
| 313 | cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_DES; |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 314 | } else if (ctx->alg == SAFEXCEL_3DES) { |
| 315 | cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_3DES; |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 316 | } else if (ctx->alg == SAFEXCEL_AES) { |
| 317 | switch (ctx->key_len) { |
| 318 | case AES_KEYSIZE_128: |
| 319 | cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES128; |
| 320 | break; |
| 321 | case AES_KEYSIZE_192: |
| 322 | cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES192; |
| 323 | break; |
| 324 | case AES_KEYSIZE_256: |
| 325 | cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES256; |
| 326 | break; |
| 327 | default: |
| 328 | dev_err(priv->dev, "aes keysize not supported: %u\n", |
| 329 | ctx->key_len); |
| 330 | return -EINVAL; |
| 331 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 332 | } |
Antoine Tenart | fef0cfe | 2018-05-14 15:10:58 +0200 | [diff] [blame] | 333 | |
| 334 | ctrl_size = ctx->key_len / sizeof(u32); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 335 | if (ctx->aead) |
| 336 | /* Take in account the ipad+opad digests */ |
| 337 | ctrl_size += ctx->state_sz / sizeof(u32) * 2; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 338 | cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(ctrl_size); |
| 339 | |
| 340 | return 0; |
| 341 | } |
| 342 | |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 343 | static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int ring, |
| 344 | struct crypto_async_request *async, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 345 | struct scatterlist *src, |
| 346 | struct scatterlist *dst, |
| 347 | unsigned int cryptlen, |
| 348 | struct safexcel_cipher_req *sreq, |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 349 | bool *should_complete, int *ret) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 350 | { |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 351 | struct safexcel_result_desc *rdesc; |
| 352 | int ndesc = 0; |
| 353 | |
| 354 | *ret = 0; |
| 355 | |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 356 | if (unlikely(!sreq->rdescs)) |
| 357 | return 0; |
| 358 | |
| 359 | while (sreq->rdescs--) { |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 360 | rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); |
| 361 | if (IS_ERR(rdesc)) { |
| 362 | dev_err(priv->dev, |
| 363 | "cipher: result: could not retrieve the result descriptor\n"); |
| 364 | *ret = PTR_ERR(rdesc); |
| 365 | break; |
| 366 | } |
| 367 | |
Antoine Tenart | bdfd190 | 2018-05-14 15:11:01 +0200 | [diff] [blame] | 368 | if (likely(!*ret)) |
| 369 | *ret = safexcel_rdesc_check_errors(priv, rdesc); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 370 | |
| 371 | ndesc++; |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 372 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 373 | |
| 374 | safexcel_complete(priv, ring); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 375 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 376 | if (src == dst) { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 377 | dma_unmap_sg(priv->dev, src, sg_nents(src), DMA_BIDIRECTIONAL); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 378 | } else { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 379 | dma_unmap_sg(priv->dev, src, sg_nents(src), DMA_TO_DEVICE); |
| 380 | dma_unmap_sg(priv->dev, dst, sg_nents(dst), DMA_FROM_DEVICE); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | *should_complete = true; |
| 384 | |
| 385 | return ndesc; |
| 386 | } |
| 387 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 388 | static int safexcel_send_req(struct crypto_async_request *base, int ring, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 389 | struct safexcel_cipher_req *sreq, |
| 390 | struct scatterlist *src, struct scatterlist *dst, |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 391 | unsigned int cryptlen, unsigned int assoclen, |
| 392 | unsigned int digestsize, u8 *iv, int *commands, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 393 | int *results) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 394 | { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 395 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 396 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 397 | struct safexcel_command_desc *cdesc; |
Antoine Tenart | e5c8ee1 | 2018-07-13 17:43:16 +0200 | [diff] [blame] | 398 | struct safexcel_result_desc *rdesc, *first_rdesc = NULL; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 399 | struct scatterlist *sg; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 400 | unsigned int totlen = cryptlen + assoclen; |
| 401 | int nr_src, nr_dst, n_cdesc = 0, n_rdesc = 0, queued = totlen; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 402 | int i, ret = 0; |
| 403 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 404 | if (src == dst) { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 405 | nr_src = dma_map_sg(priv->dev, src, sg_nents(src), |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 406 | DMA_BIDIRECTIONAL); |
| 407 | nr_dst = nr_src; |
| 408 | if (!nr_src) |
| 409 | return -EINVAL; |
| 410 | } else { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 411 | nr_src = dma_map_sg(priv->dev, src, sg_nents(src), |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 412 | DMA_TO_DEVICE); |
| 413 | if (!nr_src) |
| 414 | return -EINVAL; |
| 415 | |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 416 | nr_dst = dma_map_sg(priv->dev, dst, sg_nents(dst), |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 417 | DMA_FROM_DEVICE); |
| 418 | if (!nr_dst) { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 419 | dma_unmap_sg(priv->dev, src, nr_src, DMA_TO_DEVICE); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 420 | return -EINVAL; |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | memcpy(ctx->base.ctxr->data, ctx->key, ctx->key_len); |
| 425 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 426 | if (ctx->aead) { |
| 427 | memcpy(ctx->base.ctxr->data + ctx->key_len / sizeof(u32), |
| 428 | ctx->ipad, ctx->state_sz); |
| 429 | memcpy(ctx->base.ctxr->data + (ctx->key_len + ctx->state_sz) / sizeof(u32), |
| 430 | ctx->opad, ctx->state_sz); |
| 431 | } |
| 432 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 433 | /* command descriptors */ |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 434 | for_each_sg(src, sg, nr_src, i) { |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 435 | int len = sg_dma_len(sg); |
| 436 | |
| 437 | /* Do not overflow the request */ |
| 438 | if (queued - len < 0) |
| 439 | len = queued; |
| 440 | |
| 441 | cdesc = safexcel_add_cdesc(priv, ring, !n_cdesc, !(queued - len), |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 442 | sg_dma_address(sg), len, totlen, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 443 | ctx->base.ctxr_dma); |
| 444 | if (IS_ERR(cdesc)) { |
| 445 | /* No space left in the command descriptor ring */ |
| 446 | ret = PTR_ERR(cdesc); |
| 447 | goto cdesc_rollback; |
| 448 | } |
| 449 | n_cdesc++; |
| 450 | |
| 451 | if (n_cdesc == 1) { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 452 | safexcel_context_control(ctx, base, sreq, cdesc); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 453 | if (ctx->aead) |
| 454 | safexcel_aead_token(ctx, iv, cdesc, |
| 455 | sreq->direction, cryptlen, |
| 456 | assoclen, digestsize); |
| 457 | else |
| 458 | safexcel_skcipher_token(ctx, iv, cdesc, |
| 459 | cryptlen); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | queued -= len; |
| 463 | if (!queued) |
| 464 | break; |
| 465 | } |
| 466 | |
| 467 | /* result descriptors */ |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 468 | for_each_sg(dst, sg, nr_dst, i) { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 469 | bool first = !i, last = sg_is_last(sg); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 470 | u32 len = sg_dma_len(sg); |
| 471 | |
| 472 | rdesc = safexcel_add_rdesc(priv, ring, first, last, |
| 473 | sg_dma_address(sg), len); |
| 474 | if (IS_ERR(rdesc)) { |
| 475 | /* No space left in the result descriptor ring */ |
| 476 | ret = PTR_ERR(rdesc); |
| 477 | goto rdesc_rollback; |
| 478 | } |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 479 | if (first) |
| 480 | first_rdesc = rdesc; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 481 | n_rdesc++; |
| 482 | } |
| 483 | |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 484 | safexcel_rdr_req_set(priv, ring, first_rdesc, base); |
Antoine Ténart | 9785843 | 2017-06-15 09:56:23 +0200 | [diff] [blame] | 485 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 486 | *commands = n_cdesc; |
Ofer Heifetz | 152bdf4c | 2017-06-15 09:56:22 +0200 | [diff] [blame] | 487 | *results = n_rdesc; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 488 | return 0; |
| 489 | |
| 490 | rdesc_rollback: |
| 491 | for (i = 0; i < n_rdesc; i++) |
| 492 | safexcel_ring_rollback_wptr(priv, &priv->ring[ring].rdr); |
| 493 | cdesc_rollback: |
| 494 | for (i = 0; i < n_cdesc; i++) |
| 495 | safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr); |
| 496 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 497 | if (src == dst) { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 498 | dma_unmap_sg(priv->dev, src, nr_src, DMA_BIDIRECTIONAL); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 499 | } else { |
Antoine Tenart | 583d7e1 | 2019-05-27 16:51:05 +0200 | [diff] [blame] | 500 | dma_unmap_sg(priv->dev, src, nr_src, DMA_TO_DEVICE); |
| 501 | dma_unmap_sg(priv->dev, dst, nr_dst, DMA_FROM_DEVICE); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | return ret; |
| 505 | } |
| 506 | |
| 507 | static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv, |
| 508 | int ring, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 509 | struct crypto_async_request *base, |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 510 | struct safexcel_cipher_req *sreq, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 511 | bool *should_complete, int *ret) |
| 512 | { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 513 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 514 | struct safexcel_result_desc *rdesc; |
| 515 | int ndesc = 0, enq_ret; |
| 516 | |
| 517 | *ret = 0; |
| 518 | |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 519 | if (unlikely(!sreq->rdescs)) |
| 520 | return 0; |
| 521 | |
| 522 | while (sreq->rdescs--) { |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 523 | rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); |
| 524 | if (IS_ERR(rdesc)) { |
| 525 | dev_err(priv->dev, |
| 526 | "cipher: invalidate: could not retrieve the result descriptor\n"); |
| 527 | *ret = PTR_ERR(rdesc); |
| 528 | break; |
| 529 | } |
| 530 | |
Antoine Tenart | cda3e73 | 2018-05-29 14:13:43 +0200 | [diff] [blame] | 531 | if (likely(!*ret)) |
| 532 | *ret = safexcel_rdesc_check_errors(priv, rdesc); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 533 | |
| 534 | ndesc++; |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 535 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 536 | |
| 537 | safexcel_complete(priv, ring); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 538 | |
| 539 | if (ctx->base.exit_inv) { |
| 540 | dma_pool_free(priv->context_pool, ctx->base.ctxr, |
| 541 | ctx->base.ctxr_dma); |
| 542 | |
| 543 | *should_complete = true; |
| 544 | |
| 545 | return ndesc; |
| 546 | } |
| 547 | |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 548 | ring = safexcel_select_ring(priv); |
| 549 | ctx->base.ring = ring; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 550 | |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 551 | spin_lock_bh(&priv->ring[ring].queue_lock); |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 552 | enq_ret = crypto_enqueue_request(&priv->ring[ring].queue, base); |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 553 | spin_unlock_bh(&priv->ring[ring].queue_lock); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 554 | |
| 555 | if (enq_ret != -EINPROGRESS) |
| 556 | *ret = enq_ret; |
| 557 | |
Antoine Ténart | 8472e77 | 2017-12-14 15:26:51 +0100 | [diff] [blame] | 558 | queue_work(priv->ring[ring].workqueue, |
| 559 | &priv->ring[ring].work_data.work); |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 560 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 561 | *should_complete = false; |
| 562 | |
| 563 | return ndesc; |
| 564 | } |
| 565 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 566 | static int safexcel_skcipher_handle_result(struct safexcel_crypto_priv *priv, |
| 567 | int ring, |
| 568 | struct crypto_async_request *async, |
| 569 | bool *should_complete, int *ret) |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 570 | { |
| 571 | struct skcipher_request *req = skcipher_request_cast(async); |
| 572 | struct safexcel_cipher_req *sreq = skcipher_request_ctx(req); |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 573 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(async->tfm); |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 574 | int err; |
| 575 | |
| 576 | if (sreq->needs_inv) { |
| 577 | sreq->needs_inv = false; |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 578 | err = safexcel_handle_inv_result(priv, ring, async, sreq, |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 579 | should_complete, ret); |
| 580 | } else { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 581 | err = safexcel_handle_req_result(priv, ring, async, req->src, |
| 582 | req->dst, req->cryptlen, sreq, |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 583 | should_complete, ret); |
Antoine Tenart | 57660b1 | 2019-05-27 16:51:03 +0200 | [diff] [blame] | 584 | |
| 585 | if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CBC) { |
| 586 | u32 block_sz = 0; |
| 587 | |
| 588 | switch (ctx->alg) { |
| 589 | case SAFEXCEL_DES: |
| 590 | block_sz = DES_BLOCK_SIZE; |
| 591 | break; |
| 592 | case SAFEXCEL_3DES: |
| 593 | block_sz = DES3_EDE_BLOCK_SIZE; |
| 594 | break; |
| 595 | case SAFEXCEL_AES: |
| 596 | block_sz = AES_BLOCK_SIZE; |
| 597 | break; |
| 598 | } |
| 599 | |
| 600 | memcpy(req->iv, ctx->base.ctxr->data, block_sz); |
| 601 | } |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | return err; |
| 605 | } |
| 606 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 607 | static int safexcel_aead_handle_result(struct safexcel_crypto_priv *priv, |
| 608 | int ring, |
| 609 | struct crypto_async_request *async, |
| 610 | bool *should_complete, int *ret) |
| 611 | { |
| 612 | struct aead_request *req = aead_request_cast(async); |
| 613 | struct crypto_aead *tfm = crypto_aead_reqtfm(req); |
| 614 | struct safexcel_cipher_req *sreq = aead_request_ctx(req); |
| 615 | int err; |
| 616 | |
| 617 | if (sreq->needs_inv) { |
| 618 | sreq->needs_inv = false; |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 619 | err = safexcel_handle_inv_result(priv, ring, async, sreq, |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 620 | should_complete, ret); |
| 621 | } else { |
| 622 | err = safexcel_handle_req_result(priv, ring, async, req->src, |
| 623 | req->dst, |
| 624 | req->cryptlen + crypto_aead_authsize(tfm), |
| 625 | sreq, should_complete, ret); |
| 626 | } |
| 627 | |
| 628 | return err; |
| 629 | } |
| 630 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 631 | static int safexcel_cipher_send_inv(struct crypto_async_request *base, |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 632 | int ring, int *commands, int *results) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 633 | { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 634 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 635 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 636 | int ret; |
| 637 | |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 638 | ret = safexcel_invalidate_cache(base, priv, ctx->base.ctxr_dma, ring); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 639 | if (unlikely(ret)) |
| 640 | return ret; |
| 641 | |
| 642 | *commands = 1; |
| 643 | *results = 1; |
| 644 | |
| 645 | return 0; |
| 646 | } |
| 647 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 648 | static int safexcel_skcipher_send(struct crypto_async_request *async, int ring, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 649 | int *commands, int *results) |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 650 | { |
| 651 | struct skcipher_request *req = skcipher_request_cast(async); |
Antoine Ténart | 871df31 | 2017-12-14 15:26:58 +0100 | [diff] [blame] | 652 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm); |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 653 | struct safexcel_cipher_req *sreq = skcipher_request_ctx(req); |
Antoine Ténart | 871df31 | 2017-12-14 15:26:58 +0100 | [diff] [blame] | 654 | struct safexcel_crypto_priv *priv = ctx->priv; |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 655 | int ret; |
| 656 | |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 657 | BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && sreq->needs_inv); |
Antoine Ténart | 871df31 | 2017-12-14 15:26:58 +0100 | [diff] [blame] | 658 | |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 659 | if (sreq->needs_inv) |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 660 | ret = safexcel_cipher_send_inv(async, ring, commands, results); |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 661 | else |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 662 | ret = safexcel_send_req(async, ring, sreq, req->src, |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 663 | req->dst, req->cryptlen, 0, 0, req->iv, |
| 664 | commands, results); |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 665 | |
| 666 | sreq->rdescs = *results; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 667 | return ret; |
| 668 | } |
| 669 | |
| 670 | static int safexcel_aead_send(struct crypto_async_request *async, int ring, |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 671 | int *commands, int *results) |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 672 | { |
| 673 | struct aead_request *req = aead_request_cast(async); |
| 674 | struct crypto_aead *tfm = crypto_aead_reqtfm(req); |
| 675 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm); |
| 676 | struct safexcel_cipher_req *sreq = aead_request_ctx(req); |
| 677 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 678 | int ret; |
| 679 | |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 680 | BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && sreq->needs_inv); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 681 | |
| 682 | if (sreq->needs_inv) |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 683 | ret = safexcel_cipher_send_inv(async, ring, commands, results); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 684 | else |
Ofer Heifetz | 9744fec | 2018-06-28 17:21:57 +0200 | [diff] [blame] | 685 | ret = safexcel_send_req(async, ring, sreq, req->src, req->dst, |
| 686 | req->cryptlen, req->assoclen, |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 687 | crypto_aead_authsize(tfm), req->iv, |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 688 | commands, results); |
Antoine Tenart | 8933259 | 2019-05-27 16:51:06 +0200 | [diff] [blame] | 689 | sreq->rdescs = *results; |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 690 | return ret; |
| 691 | } |
| 692 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 693 | static int safexcel_cipher_exit_inv(struct crypto_tfm *tfm, |
| 694 | struct crypto_async_request *base, |
| 695 | struct safexcel_cipher_req *sreq, |
| 696 | struct safexcel_inv_result *result) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 697 | { |
| 698 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 699 | struct safexcel_crypto_priv *priv = ctx->priv; |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 700 | int ring = ctx->base.ring; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 701 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 702 | init_completion(&result->completion); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 703 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 704 | ctx = crypto_tfm_ctx(base->tfm); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 705 | ctx->base.exit_inv = true; |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 706 | sreq->needs_inv = true; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 707 | |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 708 | spin_lock_bh(&priv->ring[ring].queue_lock); |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 709 | crypto_enqueue_request(&priv->ring[ring].queue, base); |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 710 | spin_unlock_bh(&priv->ring[ring].queue_lock); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 711 | |
Antoine Ténart | 8472e77 | 2017-12-14 15:26:51 +0100 | [diff] [blame] | 712 | queue_work(priv->ring[ring].workqueue, |
| 713 | &priv->ring[ring].work_data.work); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 714 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 715 | wait_for_completion(&result->completion); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 716 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 717 | if (result->error) { |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 718 | dev_warn(priv->dev, |
| 719 | "cipher: sync: invalidate: completion error %d\n", |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 720 | result->error); |
| 721 | return result->error; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 722 | } |
| 723 | |
| 724 | return 0; |
| 725 | } |
| 726 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 727 | static int safexcel_skcipher_exit_inv(struct crypto_tfm *tfm) |
| 728 | { |
| 729 | EIP197_REQUEST_ON_STACK(req, skcipher, EIP197_SKCIPHER_REQ_SIZE); |
| 730 | struct safexcel_cipher_req *sreq = skcipher_request_ctx(req); |
| 731 | struct safexcel_inv_result result = {}; |
| 732 | |
| 733 | memset(req, 0, sizeof(struct skcipher_request)); |
| 734 | |
| 735 | skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, |
| 736 | safexcel_inv_complete, &result); |
| 737 | skcipher_request_set_tfm(req, __crypto_skcipher_cast(tfm)); |
| 738 | |
| 739 | return safexcel_cipher_exit_inv(tfm, &req->base, sreq, &result); |
| 740 | } |
| 741 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 742 | static int safexcel_aead_exit_inv(struct crypto_tfm *tfm) |
| 743 | { |
| 744 | EIP197_REQUEST_ON_STACK(req, aead, EIP197_AEAD_REQ_SIZE); |
| 745 | struct safexcel_cipher_req *sreq = aead_request_ctx(req); |
| 746 | struct safexcel_inv_result result = {}; |
| 747 | |
| 748 | memset(req, 0, sizeof(struct aead_request)); |
| 749 | |
| 750 | aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, |
| 751 | safexcel_inv_complete, &result); |
| 752 | aead_request_set_tfm(req, __crypto_aead_cast(tfm)); |
| 753 | |
| 754 | return safexcel_cipher_exit_inv(tfm, &req->base, sreq, &result); |
| 755 | } |
| 756 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 757 | static int safexcel_queue_req(struct crypto_async_request *base, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 758 | struct safexcel_cipher_req *sreq, |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 759 | enum safexcel_cipher_direction dir, u32 mode, |
| 760 | enum safexcel_cipher_alg alg) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 761 | { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 762 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 763 | struct safexcel_crypto_priv *priv = ctx->priv; |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 764 | int ret, ring; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 765 | |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 766 | sreq->needs_inv = false; |
Ofer Heifetz | 847ccfc | 2017-12-14 15:26:49 +0100 | [diff] [blame] | 767 | sreq->direction = dir; |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 768 | ctx->alg = alg; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 769 | ctx->mode = mode; |
| 770 | |
| 771 | if (ctx->base.ctxr) { |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 772 | if (priv->flags & EIP197_TRC_CACHE && ctx->base.needs_inv) { |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 773 | sreq->needs_inv = true; |
| 774 | ctx->base.needs_inv = false; |
| 775 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 776 | } else { |
| 777 | ctx->base.ring = safexcel_select_ring(priv); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 778 | ctx->base.ctxr = dma_pool_zalloc(priv->context_pool, |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 779 | EIP197_GFP_FLAGS(*base), |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 780 | &ctx->base.ctxr_dma); |
| 781 | if (!ctx->base.ctxr) |
| 782 | return -ENOMEM; |
| 783 | } |
| 784 | |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 785 | ring = ctx->base.ring; |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 786 | |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 787 | spin_lock_bh(&priv->ring[ring].queue_lock); |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 788 | ret = crypto_enqueue_request(&priv->ring[ring].queue, base); |
Antoine Ténart | 86671ab | 2017-06-15 09:56:24 +0200 | [diff] [blame] | 789 | spin_unlock_bh(&priv->ring[ring].queue_lock); |
| 790 | |
Antoine Ténart | 8472e77 | 2017-12-14 15:26:51 +0100 | [diff] [blame] | 791 | queue_work(priv->ring[ring].workqueue, |
| 792 | &priv->ring[ring].work_data.work); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 793 | |
| 794 | return ret; |
| 795 | } |
| 796 | |
| 797 | static int safexcel_ecb_aes_encrypt(struct skcipher_request *req) |
| 798 | { |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 799 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 800 | SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, |
| 801 | SAFEXCEL_AES); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | static int safexcel_ecb_aes_decrypt(struct skcipher_request *req) |
| 805 | { |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 806 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 807 | SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, |
| 808 | SAFEXCEL_AES); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | static int safexcel_skcipher_cra_init(struct crypto_tfm *tfm) |
| 812 | { |
| 813 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 814 | struct safexcel_alg_template *tmpl = |
| 815 | container_of(tfm->__crt_alg, struct safexcel_alg_template, |
| 816 | alg.skcipher.base); |
| 817 | |
Ofer Heifetz | 1eb7b40 | 2017-12-11 12:10:55 +0100 | [diff] [blame] | 818 | crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), |
| 819 | sizeof(struct safexcel_cipher_req)); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 820 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 821 | ctx->priv = tmpl->priv; |
| 822 | |
| 823 | ctx->base.send = safexcel_skcipher_send; |
| 824 | ctx->base.handle_result = safexcel_skcipher_handle_result; |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | static int safexcel_cipher_cra_exit(struct crypto_tfm *tfm) |
| 829 | { |
| 830 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 831 | |
Antoine Tenart | ce67955 | 2018-05-14 15:10:59 +0200 | [diff] [blame] | 832 | memzero_explicit(ctx->key, sizeof(ctx->key)); |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 833 | |
| 834 | /* context not allocated, skip invalidation */ |
| 835 | if (!ctx->base.ctxr) |
| 836 | return -ENOMEM; |
| 837 | |
Antoine Tenart | ce67955 | 2018-05-14 15:10:59 +0200 | [diff] [blame] | 838 | memzero_explicit(ctx->base.ctxr->data, sizeof(ctx->base.ctxr->data)); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 839 | return 0; |
| 840 | } |
| 841 | |
| 842 | static void safexcel_skcipher_cra_exit(struct crypto_tfm *tfm) |
| 843 | { |
| 844 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 845 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 846 | int ret; |
| 847 | |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 848 | if (safexcel_cipher_cra_exit(tfm)) |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 849 | return; |
| 850 | |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 851 | if (priv->flags & EIP197_TRC_CACHE) { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 852 | ret = safexcel_skcipher_exit_inv(tfm); |
Antoine Ténart | 871df31 | 2017-12-14 15:26:58 +0100 | [diff] [blame] | 853 | if (ret) |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 854 | dev_warn(priv->dev, "skcipher: invalidation error %d\n", |
| 855 | ret); |
Antoine Ténart | 871df31 | 2017-12-14 15:26:58 +0100 | [diff] [blame] | 856 | } else { |
| 857 | dma_pool_free(priv->context_pool, ctx->base.ctxr, |
| 858 | ctx->base.ctxr_dma); |
| 859 | } |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 860 | } |
| 861 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 862 | static void safexcel_aead_cra_exit(struct crypto_tfm *tfm) |
| 863 | { |
| 864 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 865 | struct safexcel_crypto_priv *priv = ctx->priv; |
| 866 | int ret; |
| 867 | |
| 868 | if (safexcel_cipher_cra_exit(tfm)) |
| 869 | return; |
| 870 | |
Antoine Tenart | 53c83e9 | 2018-06-28 17:15:35 +0200 | [diff] [blame] | 871 | if (priv->flags & EIP197_TRC_CACHE) { |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 872 | ret = safexcel_aead_exit_inv(tfm); |
| 873 | if (ret) |
| 874 | dev_warn(priv->dev, "aead: invalidation error %d\n", |
| 875 | ret); |
| 876 | } else { |
| 877 | dma_pool_free(priv->context_pool, ctx->base.ctxr, |
| 878 | ctx->base.ctxr_dma); |
| 879 | } |
| 880 | } |
| 881 | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 882 | struct safexcel_alg_template safexcel_alg_ecb_aes = { |
| 883 | .type = SAFEXCEL_ALG_TYPE_SKCIPHER, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 884 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 885 | .alg.skcipher = { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 886 | .setkey = safexcel_skcipher_aes_setkey, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 887 | .encrypt = safexcel_ecb_aes_encrypt, |
| 888 | .decrypt = safexcel_ecb_aes_decrypt, |
| 889 | .min_keysize = AES_MIN_KEY_SIZE, |
| 890 | .max_keysize = AES_MAX_KEY_SIZE, |
| 891 | .base = { |
| 892 | .cra_name = "ecb(aes)", |
| 893 | .cra_driver_name = "safexcel-ecb-aes", |
| 894 | .cra_priority = 300, |
Eric Biggers | 2c95e6d | 2018-06-30 15:16:15 -0700 | [diff] [blame] | 895 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 896 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 897 | .cra_blocksize = AES_BLOCK_SIZE, |
| 898 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 899 | .cra_alignmask = 0, |
| 900 | .cra_init = safexcel_skcipher_cra_init, |
| 901 | .cra_exit = safexcel_skcipher_cra_exit, |
| 902 | .cra_module = THIS_MODULE, |
| 903 | }, |
| 904 | }, |
| 905 | }; |
| 906 | |
| 907 | static int safexcel_cbc_aes_encrypt(struct skcipher_request *req) |
| 908 | { |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 909 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 910 | SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, |
| 911 | SAFEXCEL_AES); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 912 | } |
| 913 | |
| 914 | static int safexcel_cbc_aes_decrypt(struct skcipher_request *req) |
| 915 | { |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 916 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 917 | SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, |
| 918 | SAFEXCEL_AES); |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 919 | } |
| 920 | |
| 921 | struct safexcel_alg_template safexcel_alg_cbc_aes = { |
| 922 | .type = SAFEXCEL_ALG_TYPE_SKCIPHER, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 923 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 924 | .alg.skcipher = { |
Antoine Tenart | 8ac1283 | 2018-05-14 15:10:56 +0200 | [diff] [blame] | 925 | .setkey = safexcel_skcipher_aes_setkey, |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 926 | .encrypt = safexcel_cbc_aes_encrypt, |
| 927 | .decrypt = safexcel_cbc_aes_decrypt, |
| 928 | .min_keysize = AES_MIN_KEY_SIZE, |
| 929 | .max_keysize = AES_MAX_KEY_SIZE, |
| 930 | .ivsize = AES_BLOCK_SIZE, |
| 931 | .base = { |
| 932 | .cra_name = "cbc(aes)", |
| 933 | .cra_driver_name = "safexcel-cbc-aes", |
| 934 | .cra_priority = 300, |
Eric Biggers | 2c95e6d | 2018-06-30 15:16:15 -0700 | [diff] [blame] | 935 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Ténart | 1b44c5a | 2017-05-24 16:10:34 +0200 | [diff] [blame] | 936 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 937 | .cra_blocksize = AES_BLOCK_SIZE, |
| 938 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 939 | .cra_alignmask = 0, |
| 940 | .cra_init = safexcel_skcipher_cra_init, |
| 941 | .cra_exit = safexcel_skcipher_cra_exit, |
| 942 | .cra_module = THIS_MODULE, |
| 943 | }, |
| 944 | }, |
| 945 | }; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 946 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 947 | static int safexcel_cbc_des_encrypt(struct skcipher_request *req) |
| 948 | { |
| 949 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 950 | SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, |
| 951 | SAFEXCEL_DES); |
| 952 | } |
| 953 | |
| 954 | static int safexcel_cbc_des_decrypt(struct skcipher_request *req) |
| 955 | { |
| 956 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 957 | SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, |
| 958 | SAFEXCEL_DES); |
| 959 | } |
| 960 | |
| 961 | static int safexcel_des_setkey(struct crypto_skcipher *ctfm, const u8 *key, |
| 962 | unsigned int len) |
| 963 | { |
| 964 | struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); |
| 965 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 966 | u32 tmp[DES_EXPKEY_WORDS]; |
| 967 | int ret; |
| 968 | |
| 969 | if (len != DES_KEY_SIZE) { |
| 970 | crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); |
| 971 | return -EINVAL; |
| 972 | } |
| 973 | |
| 974 | ret = des_ekey(tmp, key); |
Eric Biggers | 231baec | 2019-01-18 22:48:00 -0800 | [diff] [blame] | 975 | if (!ret && (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 976 | tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; |
| 977 | return -EINVAL; |
| 978 | } |
| 979 | |
| 980 | /* if context exits and key changed, need to invalidate it */ |
| 981 | if (ctx->base.ctxr_dma) |
| 982 | if (memcmp(ctx->key, key, len)) |
| 983 | ctx->base.needs_inv = true; |
| 984 | |
| 985 | memcpy(ctx->key, key, len); |
| 986 | ctx->key_len = len; |
| 987 | |
| 988 | return 0; |
| 989 | } |
| 990 | |
| 991 | struct safexcel_alg_template safexcel_alg_cbc_des = { |
| 992 | .type = SAFEXCEL_ALG_TYPE_SKCIPHER, |
| 993 | .engines = EIP97IES | EIP197B | EIP197D, |
| 994 | .alg.skcipher = { |
| 995 | .setkey = safexcel_des_setkey, |
| 996 | .encrypt = safexcel_cbc_des_encrypt, |
| 997 | .decrypt = safexcel_cbc_des_decrypt, |
| 998 | .min_keysize = DES_KEY_SIZE, |
| 999 | .max_keysize = DES_KEY_SIZE, |
| 1000 | .ivsize = DES_BLOCK_SIZE, |
| 1001 | .base = { |
| 1002 | .cra_name = "cbc(des)", |
| 1003 | .cra_driver_name = "safexcel-cbc-des", |
| 1004 | .cra_priority = 300, |
Eric Biggers | 2b78aeb | 2018-11-14 11:10:53 -0800 | [diff] [blame] | 1005 | .cra_flags = CRYPTO_ALG_ASYNC | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1006 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1007 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1008 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1009 | .cra_alignmask = 0, |
| 1010 | .cra_init = safexcel_skcipher_cra_init, |
| 1011 | .cra_exit = safexcel_skcipher_cra_exit, |
| 1012 | .cra_module = THIS_MODULE, |
| 1013 | }, |
| 1014 | }, |
| 1015 | }; |
| 1016 | |
| 1017 | static int safexcel_ecb_des_encrypt(struct skcipher_request *req) |
| 1018 | { |
| 1019 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 1020 | SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, |
| 1021 | SAFEXCEL_DES); |
| 1022 | } |
| 1023 | |
| 1024 | static int safexcel_ecb_des_decrypt(struct skcipher_request *req) |
| 1025 | { |
| 1026 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 1027 | SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, |
| 1028 | SAFEXCEL_DES); |
| 1029 | } |
| 1030 | |
| 1031 | struct safexcel_alg_template safexcel_alg_ecb_des = { |
| 1032 | .type = SAFEXCEL_ALG_TYPE_SKCIPHER, |
| 1033 | .engines = EIP97IES | EIP197B | EIP197D, |
| 1034 | .alg.skcipher = { |
| 1035 | .setkey = safexcel_des_setkey, |
| 1036 | .encrypt = safexcel_ecb_des_encrypt, |
| 1037 | .decrypt = safexcel_ecb_des_decrypt, |
| 1038 | .min_keysize = DES_KEY_SIZE, |
| 1039 | .max_keysize = DES_KEY_SIZE, |
| 1040 | .ivsize = DES_BLOCK_SIZE, |
| 1041 | .base = { |
| 1042 | .cra_name = "ecb(des)", |
| 1043 | .cra_driver_name = "safexcel-ecb-des", |
| 1044 | .cra_priority = 300, |
Eric Biggers | 2b78aeb | 2018-11-14 11:10:53 -0800 | [diff] [blame] | 1045 | .cra_flags = CRYPTO_ALG_ASYNC | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1046 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1047 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1048 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1049 | .cra_alignmask = 0, |
| 1050 | .cra_init = safexcel_skcipher_cra_init, |
| 1051 | .cra_exit = safexcel_skcipher_cra_exit, |
| 1052 | .cra_module = THIS_MODULE, |
| 1053 | }, |
| 1054 | }, |
| 1055 | }; |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 1056 | |
| 1057 | static int safexcel_cbc_des3_ede_encrypt(struct skcipher_request *req) |
| 1058 | { |
| 1059 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 1060 | SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, |
| 1061 | SAFEXCEL_3DES); |
| 1062 | } |
| 1063 | |
| 1064 | static int safexcel_cbc_des3_ede_decrypt(struct skcipher_request *req) |
| 1065 | { |
| 1066 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 1067 | SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_CBC, |
| 1068 | SAFEXCEL_3DES); |
| 1069 | } |
| 1070 | |
| 1071 | static int safexcel_des3_ede_setkey(struct crypto_skcipher *ctfm, |
| 1072 | const u8 *key, unsigned int len) |
| 1073 | { |
Herbert Xu | 67ac62b | 2019-04-11 16:51:10 +0800 | [diff] [blame] | 1074 | struct safexcel_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); |
| 1075 | int err; |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 1076 | |
Herbert Xu | 67ac62b | 2019-04-11 16:51:10 +0800 | [diff] [blame] | 1077 | err = des3_verify_key(ctfm, key); |
| 1078 | if (unlikely(err)) |
| 1079 | return err; |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 1080 | |
| 1081 | /* if context exits and key changed, need to invalidate it */ |
| 1082 | if (ctx->base.ctxr_dma) { |
| 1083 | if (memcmp(ctx->key, key, len)) |
| 1084 | ctx->base.needs_inv = true; |
| 1085 | } |
| 1086 | |
| 1087 | memcpy(ctx->key, key, len); |
| 1088 | |
| 1089 | ctx->key_len = len; |
| 1090 | |
| 1091 | return 0; |
| 1092 | } |
| 1093 | |
| 1094 | struct safexcel_alg_template safexcel_alg_cbc_des3_ede = { |
| 1095 | .type = SAFEXCEL_ALG_TYPE_SKCIPHER, |
| 1096 | .engines = EIP97IES | EIP197B | EIP197D, |
| 1097 | .alg.skcipher = { |
| 1098 | .setkey = safexcel_des3_ede_setkey, |
| 1099 | .encrypt = safexcel_cbc_des3_ede_encrypt, |
| 1100 | .decrypt = safexcel_cbc_des3_ede_decrypt, |
| 1101 | .min_keysize = DES3_EDE_KEY_SIZE, |
| 1102 | .max_keysize = DES3_EDE_KEY_SIZE, |
| 1103 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 1104 | .base = { |
| 1105 | .cra_name = "cbc(des3_ede)", |
| 1106 | .cra_driver_name = "safexcel-cbc-des3_ede", |
| 1107 | .cra_priority = 300, |
Eric Biggers | 2b78aeb | 2018-11-14 11:10:53 -0800 | [diff] [blame] | 1108 | .cra_flags = CRYPTO_ALG_ASYNC | |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 1109 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1110 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 1111 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1112 | .cra_alignmask = 0, |
| 1113 | .cra_init = safexcel_skcipher_cra_init, |
| 1114 | .cra_exit = safexcel_skcipher_cra_exit, |
| 1115 | .cra_module = THIS_MODULE, |
| 1116 | }, |
| 1117 | }, |
| 1118 | }; |
| 1119 | |
| 1120 | static int safexcel_ecb_des3_ede_encrypt(struct skcipher_request *req) |
| 1121 | { |
| 1122 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 1123 | SAFEXCEL_ENCRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, |
| 1124 | SAFEXCEL_3DES); |
| 1125 | } |
| 1126 | |
| 1127 | static int safexcel_ecb_des3_ede_decrypt(struct skcipher_request *req) |
| 1128 | { |
| 1129 | return safexcel_queue_req(&req->base, skcipher_request_ctx(req), |
| 1130 | SAFEXCEL_DECRYPT, CONTEXT_CONTROL_CRYPTO_MODE_ECB, |
| 1131 | SAFEXCEL_3DES); |
| 1132 | } |
| 1133 | |
| 1134 | struct safexcel_alg_template safexcel_alg_ecb_des3_ede = { |
| 1135 | .type = SAFEXCEL_ALG_TYPE_SKCIPHER, |
| 1136 | .engines = EIP97IES | EIP197B | EIP197D, |
| 1137 | .alg.skcipher = { |
| 1138 | .setkey = safexcel_des3_ede_setkey, |
| 1139 | .encrypt = safexcel_ecb_des3_ede_encrypt, |
| 1140 | .decrypt = safexcel_ecb_des3_ede_decrypt, |
| 1141 | .min_keysize = DES3_EDE_KEY_SIZE, |
| 1142 | .max_keysize = DES3_EDE_KEY_SIZE, |
| 1143 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 1144 | .base = { |
| 1145 | .cra_name = "ecb(des3_ede)", |
| 1146 | .cra_driver_name = "safexcel-ecb-des3_ede", |
| 1147 | .cra_priority = 300, |
Eric Biggers | 2b78aeb | 2018-11-14 11:10:53 -0800 | [diff] [blame] | 1148 | .cra_flags = CRYPTO_ALG_ASYNC | |
Ofer Heifetz | 62469879 | 2018-06-28 17:21:56 +0200 | [diff] [blame] | 1149 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1150 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 1151 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1152 | .cra_alignmask = 0, |
| 1153 | .cra_init = safexcel_skcipher_cra_init, |
| 1154 | .cra_exit = safexcel_skcipher_cra_exit, |
| 1155 | .cra_module = THIS_MODULE, |
| 1156 | }, |
| 1157 | }, |
| 1158 | }; |
| 1159 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1160 | static int safexcel_aead_encrypt(struct aead_request *req) |
| 1161 | { |
| 1162 | struct safexcel_cipher_req *creq = aead_request_ctx(req); |
| 1163 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1164 | return safexcel_queue_req(&req->base, creq, SAFEXCEL_ENCRYPT, |
| 1165 | CONTEXT_CONTROL_CRYPTO_MODE_CBC, SAFEXCEL_AES); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1166 | } |
| 1167 | |
| 1168 | static int safexcel_aead_decrypt(struct aead_request *req) |
| 1169 | { |
| 1170 | struct safexcel_cipher_req *creq = aead_request_ctx(req); |
| 1171 | |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1172 | return safexcel_queue_req(&req->base, creq, SAFEXCEL_DECRYPT, |
| 1173 | CONTEXT_CONTROL_CRYPTO_MODE_CBC, SAFEXCEL_AES); |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1174 | } |
| 1175 | |
| 1176 | static int safexcel_aead_cra_init(struct crypto_tfm *tfm) |
| 1177 | { |
| 1178 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1179 | struct safexcel_alg_template *tmpl = |
| 1180 | container_of(tfm->__crt_alg, struct safexcel_alg_template, |
| 1181 | alg.aead.base); |
| 1182 | |
| 1183 | crypto_aead_set_reqsize(__crypto_aead_cast(tfm), |
| 1184 | sizeof(struct safexcel_cipher_req)); |
| 1185 | |
| 1186 | ctx->priv = tmpl->priv; |
| 1187 | |
| 1188 | ctx->aead = true; |
| 1189 | ctx->base.send = safexcel_aead_send; |
| 1190 | ctx->base.handle_result = safexcel_aead_handle_result; |
| 1191 | return 0; |
| 1192 | } |
| 1193 | |
Antoine Tenart | 01ba061 | 2018-05-14 15:11:04 +0200 | [diff] [blame] | 1194 | static int safexcel_aead_sha1_cra_init(struct crypto_tfm *tfm) |
| 1195 | { |
| 1196 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1197 | |
| 1198 | safexcel_aead_cra_init(tfm); |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1199 | ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA1; |
Antoine Tenart | 01ba061 | 2018-05-14 15:11:04 +0200 | [diff] [blame] | 1200 | ctx->state_sz = SHA1_DIGEST_SIZE; |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
| 1204 | struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes = { |
| 1205 | .type = SAFEXCEL_ALG_TYPE_AEAD, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 1206 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Tenart | 01ba061 | 2018-05-14 15:11:04 +0200 | [diff] [blame] | 1207 | .alg.aead = { |
| 1208 | .setkey = safexcel_aead_aes_setkey, |
| 1209 | .encrypt = safexcel_aead_encrypt, |
| 1210 | .decrypt = safexcel_aead_decrypt, |
| 1211 | .ivsize = AES_BLOCK_SIZE, |
| 1212 | .maxauthsize = SHA1_DIGEST_SIZE, |
| 1213 | .base = { |
| 1214 | .cra_name = "authenc(hmac(sha1),cbc(aes))", |
| 1215 | .cra_driver_name = "safexcel-authenc-hmac-sha1-cbc-aes", |
| 1216 | .cra_priority = 300, |
Eric Biggers | 3f4a537 | 2018-06-30 15:16:14 -0700 | [diff] [blame] | 1217 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Tenart | 01ba061 | 2018-05-14 15:11:04 +0200 | [diff] [blame] | 1218 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1219 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1220 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1221 | .cra_alignmask = 0, |
| 1222 | .cra_init = safexcel_aead_sha1_cra_init, |
| 1223 | .cra_exit = safexcel_aead_cra_exit, |
| 1224 | .cra_module = THIS_MODULE, |
| 1225 | }, |
| 1226 | }, |
| 1227 | }; |
| 1228 | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1229 | static int safexcel_aead_sha256_cra_init(struct crypto_tfm *tfm) |
| 1230 | { |
| 1231 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1232 | |
| 1233 | safexcel_aead_cra_init(tfm); |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1234 | ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA256; |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1235 | ctx->state_sz = SHA256_DIGEST_SIZE; |
| 1236 | return 0; |
| 1237 | } |
| 1238 | |
| 1239 | struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes = { |
| 1240 | .type = SAFEXCEL_ALG_TYPE_AEAD, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 1241 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1242 | .alg.aead = { |
| 1243 | .setkey = safexcel_aead_aes_setkey, |
| 1244 | .encrypt = safexcel_aead_encrypt, |
| 1245 | .decrypt = safexcel_aead_decrypt, |
| 1246 | .ivsize = AES_BLOCK_SIZE, |
| 1247 | .maxauthsize = SHA256_DIGEST_SIZE, |
| 1248 | .base = { |
| 1249 | .cra_name = "authenc(hmac(sha256),cbc(aes))", |
| 1250 | .cra_driver_name = "safexcel-authenc-hmac-sha256-cbc-aes", |
| 1251 | .cra_priority = 300, |
Eric Biggers | 3f4a537 | 2018-06-30 15:16:14 -0700 | [diff] [blame] | 1252 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Tenart | f6beaea | 2018-05-14 15:11:02 +0200 | [diff] [blame] | 1253 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1254 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1255 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1256 | .cra_alignmask = 0, |
| 1257 | .cra_init = safexcel_aead_sha256_cra_init, |
| 1258 | .cra_exit = safexcel_aead_cra_exit, |
| 1259 | .cra_module = THIS_MODULE, |
| 1260 | }, |
| 1261 | }, |
| 1262 | }; |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 1263 | |
| 1264 | static int safexcel_aead_sha224_cra_init(struct crypto_tfm *tfm) |
| 1265 | { |
| 1266 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1267 | |
| 1268 | safexcel_aead_cra_init(tfm); |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1269 | ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA224; |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 1270 | ctx->state_sz = SHA256_DIGEST_SIZE; |
| 1271 | return 0; |
| 1272 | } |
| 1273 | |
| 1274 | struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes = { |
| 1275 | .type = SAFEXCEL_ALG_TYPE_AEAD, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 1276 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 1277 | .alg.aead = { |
| 1278 | .setkey = safexcel_aead_aes_setkey, |
| 1279 | .encrypt = safexcel_aead_encrypt, |
| 1280 | .decrypt = safexcel_aead_decrypt, |
| 1281 | .ivsize = AES_BLOCK_SIZE, |
| 1282 | .maxauthsize = SHA224_DIGEST_SIZE, |
| 1283 | .base = { |
| 1284 | .cra_name = "authenc(hmac(sha224),cbc(aes))", |
| 1285 | .cra_driver_name = "safexcel-authenc-hmac-sha224-cbc-aes", |
| 1286 | .cra_priority = 300, |
Eric Biggers | 3f4a537 | 2018-06-30 15:16:14 -0700 | [diff] [blame] | 1287 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Tenart | 678b287 | 2018-05-14 15:11:03 +0200 | [diff] [blame] | 1288 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1289 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1290 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1291 | .cra_alignmask = 0, |
| 1292 | .cra_init = safexcel_aead_sha224_cra_init, |
| 1293 | .cra_exit = safexcel_aead_cra_exit, |
| 1294 | .cra_module = THIS_MODULE, |
| 1295 | }, |
| 1296 | }, |
| 1297 | }; |
Antoine Tenart | 87eee12 | 2018-05-29 14:13:48 +0200 | [diff] [blame] | 1298 | |
| 1299 | static int safexcel_aead_sha512_cra_init(struct crypto_tfm *tfm) |
| 1300 | { |
| 1301 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1302 | |
| 1303 | safexcel_aead_cra_init(tfm); |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1304 | ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA512; |
Antoine Tenart | 87eee12 | 2018-05-29 14:13:48 +0200 | [diff] [blame] | 1305 | ctx->state_sz = SHA512_DIGEST_SIZE; |
| 1306 | return 0; |
| 1307 | } |
| 1308 | |
| 1309 | struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes = { |
| 1310 | .type = SAFEXCEL_ALG_TYPE_AEAD, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 1311 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Tenart | 87eee12 | 2018-05-29 14:13:48 +0200 | [diff] [blame] | 1312 | .alg.aead = { |
| 1313 | .setkey = safexcel_aead_aes_setkey, |
| 1314 | .encrypt = safexcel_aead_encrypt, |
| 1315 | .decrypt = safexcel_aead_decrypt, |
| 1316 | .ivsize = AES_BLOCK_SIZE, |
| 1317 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 1318 | .base = { |
| 1319 | .cra_name = "authenc(hmac(sha512),cbc(aes))", |
| 1320 | .cra_driver_name = "safexcel-authenc-hmac-sha512-cbc-aes", |
| 1321 | .cra_priority = 300, |
Eric Biggers | 3f4a537 | 2018-06-30 15:16:14 -0700 | [diff] [blame] | 1322 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Tenart | 87eee12 | 2018-05-29 14:13:48 +0200 | [diff] [blame] | 1323 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1324 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1325 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1326 | .cra_alignmask = 0, |
| 1327 | .cra_init = safexcel_aead_sha512_cra_init, |
| 1328 | .cra_exit = safexcel_aead_cra_exit, |
| 1329 | .cra_module = THIS_MODULE, |
| 1330 | }, |
| 1331 | }, |
| 1332 | }; |
Antoine Tenart | ea23cb5 | 2018-05-29 14:13:52 +0200 | [diff] [blame] | 1333 | |
| 1334 | static int safexcel_aead_sha384_cra_init(struct crypto_tfm *tfm) |
| 1335 | { |
| 1336 | struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1337 | |
| 1338 | safexcel_aead_cra_init(tfm); |
Ofer Heifetz | a7dea8c | 2018-06-28 17:21:55 +0200 | [diff] [blame] | 1339 | ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA384; |
Antoine Tenart | ea23cb5 | 2018-05-29 14:13:52 +0200 | [diff] [blame] | 1340 | ctx->state_sz = SHA512_DIGEST_SIZE; |
| 1341 | return 0; |
| 1342 | } |
| 1343 | |
| 1344 | struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes = { |
| 1345 | .type = SAFEXCEL_ALG_TYPE_AEAD, |
Antoine Tenart | 5eb0911 | 2018-06-28 17:15:38 +0200 | [diff] [blame] | 1346 | .engines = EIP97IES | EIP197B | EIP197D, |
Antoine Tenart | ea23cb5 | 2018-05-29 14:13:52 +0200 | [diff] [blame] | 1347 | .alg.aead = { |
| 1348 | .setkey = safexcel_aead_aes_setkey, |
| 1349 | .encrypt = safexcel_aead_encrypt, |
| 1350 | .decrypt = safexcel_aead_decrypt, |
| 1351 | .ivsize = AES_BLOCK_SIZE, |
| 1352 | .maxauthsize = SHA384_DIGEST_SIZE, |
| 1353 | .base = { |
| 1354 | .cra_name = "authenc(hmac(sha384),cbc(aes))", |
| 1355 | .cra_driver_name = "safexcel-authenc-hmac-sha384-cbc-aes", |
| 1356 | .cra_priority = 300, |
Eric Biggers | 3f4a537 | 2018-06-30 15:16:14 -0700 | [diff] [blame] | 1357 | .cra_flags = CRYPTO_ALG_ASYNC | |
Antoine Tenart | ea23cb5 | 2018-05-29 14:13:52 +0200 | [diff] [blame] | 1358 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1359 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1360 | .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), |
| 1361 | .cra_alignmask = 0, |
| 1362 | .cra_init = safexcel_aead_sha384_cra_init, |
| 1363 | .cra_exit = safexcel_aead_cra_exit, |
| 1364 | .cra_module = THIS_MODULE, |
| 1365 | }, |
| 1366 | }, |
| 1367 | }; |