diff options
| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2016-10-25 17:04:17 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2016-11-02 16:23:53 +0100 |
| commit | de2a27e255b6ec834d11c005909b28a150c7c0db (patch) | |
| tree | 9b6f61fa7f9d3cb05abf5e72b9fdb8d5ba9bdef7 /lib/sha256.h | |
| parent | 7eec3988758cb4c19a0ab3bf90cab2a4914165be (diff) | |
Add generic message authentication interface
Add generic interface for generating and verifying MACs (message
authentication codes). Replace multiple HMAC implementation with
a generic one.
Diffstat (limited to 'lib/sha256.h')
| -rw-r--r-- | lib/sha256.h | 42 |
1 files changed, 9 insertions, 33 deletions
diff --git a/lib/sha256.h b/lib/sha256.h index 381200a9..88a948eb 100644 --- a/lib/sha256.h +++ b/lib/sha256.h @@ -1,6 +1,5 @@ /* - * BIRD Library -- SHA-256 and SHA-224 Hash Functions, - * HMAC-SHA-256 and HMAC-SHA-224 Functions + * BIRD Library -- SHA-256 and SHA-224 Hash Functions * * (c) 2015 CZ.NIC z.s.p.o. * @@ -25,6 +24,8 @@ #define SHA256_BLOCK_SIZE 64 +struct hash_context; + struct sha256_context { u32 h0, h1, h2, h3, h4, h5, h6, h7; byte buf[SHA256_BLOCK_SIZE]; @@ -35,39 +36,14 @@ struct sha256_context { #define sha224_context sha256_context -void sha256_init(struct sha256_context *ctx); -void sha224_init(struct sha224_context *ctx); - -void sha256_update(struct sha256_context *ctx, const byte *buf, size_t len); -static inline void sha224_update(struct sha224_context *ctx, const byte *buf, size_t len) -{ sha256_update(ctx, buf, len); } - -byte *sha256_final(struct sha256_context *ctx); -static inline byte *sha224_final(struct sha224_context *ctx) -{ return sha256_final(ctx); } - - -/* - * HMAC-SHA256, HMAC-SHA224 - */ - -struct sha256_hmac_context -{ - struct sha256_context ictx; - struct sha256_context octx; -}; - -#define sha224_hmac_context sha256_hmac_context - - -void sha256_hmac_init(struct sha256_hmac_context *ctx, const byte *key, size_t keylen); -void sha224_hmac_init(struct sha224_hmac_context *ctx, const byte *key, size_t keylen); +void sha256_init(struct hash_context *ctx); +void sha224_init(struct hash_context *ctx); -void sha256_hmac_update(struct sha256_hmac_context *ctx, const byte *buf, size_t buflen); -void sha224_hmac_update(struct sha224_hmac_context *ctx, const byte *buf, size_t buflen); +void sha256_update(struct hash_context *ctx, const byte *buf, uint len); +#define sha224_update sha256_update -byte *sha256_hmac_final(struct sha256_hmac_context *ctx); -byte *sha224_hmac_final(struct sha224_hmac_context *ctx); +byte *sha256_final(struct hash_context *ctx); +#define sha224_final sha256_final #endif /* _BIRD_SHA256_H_ */ |