strtoumax: fix typo in previous commit.

[gnulib.git] / lib / hmac.h

diff --git a/lib/hmac.h b/lib/hmac.h
index 93970bc..a36a5af 100644 (file)
--- a/lib/hmac.h
+++ b/lib/hmac.h
@@ -37,4 +37,20 @@ int
 hmac_sha1 (const void *key, size_t keylen,
            const void *in, size_t inlen, void *resbuf);
 
+/* Compute Hashed Message Authentication Code with SHA-256, over BUFFER
+   data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
+   output to pre-allocated 32 byte minimum RESBUF buffer.  Return 0 on
+   success.  */
+int
+hmac_sha256 (const void *key, size_t keylen,
+             const void *in, size_t inlen, void *resbuf);
+
+/* Compute Hashed Message Authentication Code with SHA-512, over BUFFER
+   data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
+   output to pre-allocated 64 byte minimum RESBUF buffer.  Return 0 on
+   success.  */
+int
+hmac_sha512 (const void *key, size_t keylen,
+             const void *in, size_t inlen, void *resbuf);
+
 #endif /* HMAC_H */