Thomas Gleixner | 12ea20f | 2019-01-18 00:14:19 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Ondrej Mosnacek | 56e8e57 | 2018-05-11 14:19:11 +0200 | [diff] [blame] | 2 | /* |
| 3 | * The MORUS-1280 Authenticated-Encryption Algorithm |
| 4 | * Common glue skeleton -- header file |
| 5 | * |
| 6 | * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com> |
| 7 | * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. |
Ondrej Mosnacek | 56e8e57 | 2018-05-11 14:19:11 +0200 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef _CRYPTO_MORUS1280_GLUE_H |
| 11 | #define _CRYPTO_MORUS1280_GLUE_H |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/types.h> |
| 15 | #include <crypto/algapi.h> |
| 16 | #include <crypto/aead.h> |
| 17 | #include <crypto/morus_common.h> |
| 18 | |
| 19 | #define MORUS1280_WORD_SIZE 8 |
| 20 | #define MORUS1280_BLOCK_SIZE (MORUS_BLOCK_WORDS * MORUS1280_WORD_SIZE) |
| 21 | |
| 22 | struct morus1280_block { |
| 23 | u8 bytes[MORUS1280_BLOCK_SIZE]; |
| 24 | }; |
| 25 | |
| 26 | struct morus1280_glue_ops { |
| 27 | void (*init)(void *state, const void *key, const void *iv); |
| 28 | void (*ad)(void *state, const void *data, unsigned int length); |
| 29 | void (*enc)(void *state, const void *src, void *dst, unsigned int length); |
| 30 | void (*dec)(void *state, const void *src, void *dst, unsigned int length); |
| 31 | void (*enc_tail)(void *state, const void *src, void *dst, unsigned int length); |
| 32 | void (*dec_tail)(void *state, const void *src, void *dst, unsigned int length); |
| 33 | void (*final)(void *state, void *tag_xor, u64 assoclen, u64 cryptlen); |
| 34 | }; |
| 35 | |
| 36 | struct morus1280_ctx { |
| 37 | const struct morus1280_glue_ops *ops; |
| 38 | struct morus1280_block key; |
| 39 | }; |
| 40 | |
| 41 | void crypto_morus1280_glue_init_ops(struct crypto_aead *aead, |
| 42 | const struct morus1280_glue_ops *ops); |
| 43 | int crypto_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key, |
| 44 | unsigned int keylen); |
| 45 | int crypto_morus1280_glue_setauthsize(struct crypto_aead *tfm, |
| 46 | unsigned int authsize); |
| 47 | int crypto_morus1280_glue_encrypt(struct aead_request *req); |
| 48 | int crypto_morus1280_glue_decrypt(struct aead_request *req); |
| 49 | |
Eric Biggers | e151a8d | 2019-03-10 12:00:57 -0700 | [diff] [blame] | 50 | #define MORUS1280_DECLARE_ALG(id, driver_name, priority) \ |
Ondrej Mosnacek | 56e8e57 | 2018-05-11 14:19:11 +0200 | [diff] [blame] | 51 | static const struct morus1280_glue_ops crypto_morus1280_##id##_ops = {\ |
| 52 | .init = crypto_morus1280_##id##_init, \ |
| 53 | .ad = crypto_morus1280_##id##_ad, \ |
| 54 | .enc = crypto_morus1280_##id##_enc, \ |
| 55 | .enc_tail = crypto_morus1280_##id##_enc_tail, \ |
| 56 | .dec = crypto_morus1280_##id##_dec, \ |
| 57 | .dec_tail = crypto_morus1280_##id##_dec_tail, \ |
| 58 | .final = crypto_morus1280_##id##_final, \ |
| 59 | }; \ |
| 60 | \ |
| 61 | static int crypto_morus1280_##id##_init_tfm(struct crypto_aead *tfm) \ |
| 62 | { \ |
| 63 | crypto_morus1280_glue_init_ops(tfm, &crypto_morus1280_##id##_ops); \ |
| 64 | return 0; \ |
| 65 | } \ |
| 66 | \ |
| 67 | static void crypto_morus1280_##id##_exit_tfm(struct crypto_aead *tfm) \ |
| 68 | { \ |
| 69 | } \ |
| 70 | \ |
Eric Biggers | e151a8d | 2019-03-10 12:00:57 -0700 | [diff] [blame] | 71 | static struct aead_alg crypto_morus1280_##id##_alg = { \ |
| 72 | .setkey = crypto_morus1280_glue_setkey, \ |
| 73 | .setauthsize = crypto_morus1280_glue_setauthsize, \ |
| 74 | .encrypt = crypto_morus1280_glue_encrypt, \ |
| 75 | .decrypt = crypto_morus1280_glue_decrypt, \ |
| 76 | .init = crypto_morus1280_##id##_init_tfm, \ |
| 77 | .exit = crypto_morus1280_##id##_exit_tfm, \ |
| 78 | \ |
| 79 | .ivsize = MORUS_NONCE_SIZE, \ |
| 80 | .maxauthsize = MORUS_MAX_AUTH_SIZE, \ |
| 81 | .chunksize = MORUS1280_BLOCK_SIZE, \ |
| 82 | \ |
| 83 | .base = { \ |
| 84 | .cra_flags = CRYPTO_ALG_INTERNAL, \ |
| 85 | .cra_blocksize = 1, \ |
| 86 | .cra_ctxsize = sizeof(struct morus1280_ctx), \ |
| 87 | .cra_alignmask = 0, \ |
| 88 | .cra_priority = priority, \ |
Ondrej Mosnacek | 56e8e57 | 2018-05-11 14:19:11 +0200 | [diff] [blame] | 89 | \ |
Eric Biggers | e151a8d | 2019-03-10 12:00:57 -0700 | [diff] [blame] | 90 | .cra_name = "__morus1280", \ |
| 91 | .cra_driver_name = "__"driver_name, \ |
Ondrej Mosnacek | 56e8e57 | 2018-05-11 14:19:11 +0200 | [diff] [blame] | 92 | \ |
Eric Biggers | e151a8d | 2019-03-10 12:00:57 -0700 | [diff] [blame] | 93 | .cra_module = THIS_MODULE, \ |
Ondrej Mosnacek | 56e8e57 | 2018-05-11 14:19:11 +0200 | [diff] [blame] | 94 | } \ |
| 95 | } |
| 96 | |
| 97 | #endif /* _CRYPTO_MORUS1280_GLUE_H */ |