📄 hmac_sha2.h
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typedef struct { sha256_context ictx,octx;} sha256_hmac_context;typedef struct { sha512_context ictx,octx;} sha512_hmac_context;#define SHA256_BLOCKSIZE 64#define SHA256_HASHLEN 32#define SHA384_BLOCKSIZE 128 /* XXX ok? */#define SHA384_HASHLEN 48#define SHA512_BLOCKSIZE 128#define SHA512_HASHLEN 64void sha256_hmac_hash(sha256_hmac_context *hctx, const u_int8_t * dat, int len, u_int8_t * hash, int hashlen);void sha256_hmac_set_key(sha256_hmac_context *hctx, const u_int8_t * key, int keylen);void sha512_hmac_hash(sha512_hmac_context *hctx, const u_int8_t * dat, int len, u_int8_t * hash, int hashlen);void sha512_hmac_set_key(sha512_hmac_context *hctx, const u_int8_t * key, int keylen);
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