X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fhmac.h;h=b1359aac84f2989592f1542a4d309d0f8cb43b3f;hb=a6f8cadf086f4abeda879dd491e5da7dddb01d59;hp=444213ed2f3d7adeaaa95ce9f14384b015146e06;hpb=f6800ee02280d07036209444b32109c54c98ff64;p=gnulib.git

diff --git a/lib/hmac.h b/lib/hmac.h
index 444213ed2..b1359aac8 100644
--- a/lib/hmac.h
+++ b/lib/hmac.h
@@ -30,4 +30,12 @@ int
 hmac_md5 (const void *key, size_t keylen,
 	  const void *buffer, size_t buflen, void *resbuf);
 
+/* Compute Hashed Message Authentication Code with SHA-1, over BUFFER
+   data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
+   output to pre-allocated 20 byte minimum RESBUF buffer.  Return 0 on
+   success.  */
+int
+hmac_sha1 (const void *key, size_t keylen,
+	   const void *in, size_t inlen, void *resbuf);
+
 #endif /* HMAC_H */