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Add generic message authentication interface

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Add generic interface for generating and verifying MACs (message
authentication codes). Replace multiple HMAC implementation with
a generic one.
This commit is contained in:
Ondrej Zajicek (work)
2016-10-25 17:04:17 +02:00
parent 7eec398875
commit de2a27e255
16 changed files with 493 additions and 543 deletions
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21
lib/md5.h
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@@ -19,29 +19,18 @@
#define MD5_BLOCK_SIZE 64
struct hash_context;
struct md5_context {
u32 buf[4];
u32 bits[2];
byte in[64];
};
void md5_init(struct md5_context *ctx);
void md5_update(struct md5_context *ctx, const byte *buf, uint len);
byte *md5_final(struct md5_context *ctx);
/*
* HMAC-MD5
*/
struct md5_hmac_context {
struct md5_context ictx;
struct md5_context octx;
};
void md5_hmac_init(struct md5_hmac_context *ctx, const byte *key, size_t keylen);
void md5_hmac_update(struct md5_hmac_context *ctx, const byte *buf, size_t buflen);
byte *md5_hmac_final(struct md5_hmac_context *ctx);
void md5_init(struct hash_context *ctx);
void md5_update(struct hash_context *ctx, const byte *buf, uint len);
byte *md5_final(struct hash_context *ctx);
#endif /* _BIRD_MD5_H_ */