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/sha512.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/sha512.h')
| -rw-r--r-- | lib/sha512.h | 44 |
1 files changed, 10 insertions, 34 deletions
diff --git a/lib/sha512.h b/lib/sha512.h index 1614a3ac..02220c93 100644 --- a/lib/sha512.h +++ b/lib/sha512.h @@ -1,6 +1,5 @@ /* - * BIRD Library -- SHA-512 and SHA-384 Hash Functions, - * HMAC-SHA-512 and HMAC-SHA-384 Functions + * BIRD Library -- SHA-512 and SHA-384 Hash Functions * * (c) 2015 CZ.NIC z.s.p.o. * @@ -25,8 +24,10 @@ #define SHA512_BLOCK_SIZE 128 +struct hash_context; + struct sha512_context { - u64 h0, h1, h2, h3, h4, h5, h6, h7; + u64 h0, h1, h2, h3, h4, h5, h6, h7; byte buf[SHA512_BLOCK_SIZE]; uint nblocks; uint count; @@ -35,39 +36,14 @@ struct sha512_context { #define sha384_context sha512_context -void sha512_init(struct sha512_context *ctx); -void sha384_init(struct sha384_context *ctx); - -void sha512_update(struct sha512_context *ctx, const byte *buf, size_t len); -static inline void sha384_update(struct sha384_context *ctx, const byte *buf, size_t len) -{ sha512_update(ctx, buf, len); } - -byte *sha512_final(struct sha512_context *ctx); -static inline byte *sha384_final(struct sha384_context *ctx) -{ return sha512_final(ctx); } - - -/* - * HMAC-SHA512, HMAC-SHA384 - */ - -struct sha512_hmac_context -{ - struct sha512_context ictx; - struct sha512_context octx; -}; - -#define sha384_hmac_context sha512_hmac_context - - -void sha512_hmac_init(struct sha512_hmac_context *ctx, const byte *key, size_t keylen); -void sha384_hmac_init(struct sha384_hmac_context *ctx, const byte *key, size_t keylen); +void sha512_init(struct hash_context *ctx); +void sha384_init(struct hash_context *ctx); -void sha512_hmac_update(struct sha512_hmac_context *ctx, const byte *buf, size_t buflen); -void sha384_hmac_update(struct sha384_hmac_context *ctx, const byte *buf, size_t buflen); +void sha512_update(struct hash_context *ctx, const byte *buf, uint len); +#define sha384_update sha512_update -byte *sha512_hmac_final(struct sha512_hmac_context *ctx); -byte *sha384_hmac_final(struct sha384_hmac_context *ctx); +byte *sha512_final(struct hash_context *ctx); +#define sha384_final sha512_final #endif /* _BIRD_SHA512_H_ */ |