crypto: ecdsa - Add support for ECDSA signature verification
Add support for parsing the parameters of a NIST P256 or NIST P192 key.
Enable signature verification using these keys. The new module is
enabled with CONFIG_ECDSA:
Elliptic Curve Digital Signature Algorithm (NIST P192, P256 etc.)
is A NIST cryptographic standard algorithm. Only signature verification
is implemented.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/ecdsasignature.asn1 b/crypto/ecdsasignature.asn1
new file mode 100644
index 0000000..621ab75
--- /dev/null
+++ b/crypto/ecdsasignature.asn1
@@ -0,0 +1,4 @@
+ECDSASignature ::= SEQUENCE {
+ r INTEGER ({ ecdsa_get_signature_r }),
+ s INTEGER ({ ecdsa_get_signature_s })
+}
