src/libfreeswan/libcrypto/libsha2/hmac_sha2.h

   1 typedef struct {
   2         sha256_context ictx,octx;
   3 } sha256_hmac_context;
   4 typedef struct {
   5         sha512_context ictx,octx;
   6 } sha512_hmac_context;
   7 #define SHA256_BLOCKSIZE 64
   8 #define SHA256_HASHLEN   32
   9 #define SHA384_BLOCKSIZE 128    /* XXX ok? */
  10 #define SHA384_HASHLEN   48
  11 #define SHA512_BLOCKSIZE 128
  12 #define SHA512_HASHLEN   64
  13
  14 void sha256_hmac_hash(sha256_hmac_context *hctx, const u_int8_t * dat, int len, u_int8_t * hash, int hashlen);
  15 void sha256_hmac_set_key(sha256_hmac_context *hctx, const u_int8_t * key, int keylen);
  16 void sha512_hmac_hash(sha512_hmac_context *hctx, const u_int8_t * dat, int len, u_int8_t * hash, int hashlen);
  17 void sha512_hmac_set_key(sha512_hmac_context *hctx, const u_int8_t * key, int keylen);