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authorMichael Brown2015-04-12 17:57:25 +0200
committerMichael Brown2015-04-12 18:02:11 +0200
commitea3d5875cd8881273e02c3a0e70c7fe4317123f7 (patch)
tree32dce14fa536551ee84cbcf2fe044277d2aace64 /src/include/ipxe
parent[crypto] Add SHA-512/256 algorithm (diff)
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[crypto] Add SHA-512/224 algorithm
SHA-512/224 is almost identical to SHA-512, with differing initial hash values and a truncated output length. This implementation has been verified using the NIST SHA-512/224 test vectors. Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/include/ipxe')
-rw-r--r--src/include/ipxe/asn1.h7
-rw-r--r--src/include/ipxe/sha512.h4
2 files changed, 11 insertions, 0 deletions
diff --git a/src/include/ipxe/asn1.h b/src/include/ipxe/asn1.h
index f9ae3112b..795fb5706 100644
--- a/src/include/ipxe/asn1.h
+++ b/src/include/ipxe/asn1.h
@@ -181,6 +181,13 @@ struct asn1_builder_header {
ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 4 ), \
ASN1_OID_SINGLE ( 2 ), ASN1_OID_SINGLE ( 4 )
+/** ASN.1 OID for id-sha512-224 (2.16.840.1.101.3.4.2.5) */
+#define ASN1_OID_SHA512_224 \
+ ASN1_OID_INITIAL ( 2, 16 ), ASN1_OID_DOUBLE ( 840 ), \
+ ASN1_OID_SINGLE ( 1 ), ASN1_OID_SINGLE ( 101 ), \
+ ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 4 ), \
+ ASN1_OID_SINGLE ( 2 ), ASN1_OID_SINGLE ( 5 )
+
/** ASN.1 OID for id-sha512-256 (2.16.840.1.101.3.4.2.6) */
#define ASN1_OID_SHA512_256 \
ASN1_OID_INITIAL ( 2, 16 ), ASN1_OID_DOUBLE ( 840 ), \
diff --git a/src/include/ipxe/sha512.h b/src/include/ipxe/sha512.h
index 8e9892bfb..8e22d8357 100644
--- a/src/include/ipxe/sha512.h
+++ b/src/include/ipxe/sha512.h
@@ -81,6 +81,9 @@ struct sha512_context {
/** SHA-512/256 digest size */
#define SHA512_256_DIGEST_SIZE ( SHA512_DIGEST_SIZE * 256 / 512 )
+/** SHA-512/224 digest size */
+#define SHA512_224_DIGEST_SIZE ( SHA512_DIGEST_SIZE * 224 / 512 )
+
extern void sha512_family_init ( struct sha512_context *context,
const struct sha512_digest *init,
size_t digestsize );
@@ -90,5 +93,6 @@ extern void sha512_final ( void *ctx, void *out );
extern struct digest_algorithm sha512_algorithm;
extern struct digest_algorithm sha384_algorithm;
extern struct digest_algorithm sha512_256_algorithm;
+extern struct digest_algorithm sha512_224_algorithm;
#endif /* IPXE_SHA512_H */