md5, sha1, sha256, sha512: use openssl routines if available

[gnulib.git] / lib / sha256.c

diff --git a/lib/sha256.c b/lib/sha256.c
index 4b2cee3..9d6912c 100644 (file)
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -22,6 +22,9 @@
 
 #include <config.h>
 
+#if HAVE_OPENSSL_SHA256
+# define GL_OPENSSL_INLINE _GL_EXTERN_INLINE
+#endif
 #include "sha256.h"
 
 #include <stdalign.h>
@@ -45,6 +48,7 @@
 # error "invalid BLOCKSIZE"
 #endif
 
+#if ! HAVE_OPENSSL_SHA256
 /* This array contains the bytes used to pad the buffer to the next
    64-byte boundary.  */
 static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ...  */ };
@@ -163,6 +167,7 @@ sha224_finish_ctx (struct sha256_ctx *ctx, void *resbuf)
   sha256_conclude_ctx (ctx);
   return sha224_read_ctx (ctx, resbuf);
 }
+#endif
 
 /* Compute SHA256 message digest for bytes read from STREAM.  The
    resulting message digest number will be written into the 32 bytes
@@ -308,6 +313,7 @@ sha224_stream (FILE *stream, void *resblock)
   return 0;
 }
 
+#if ! HAVE_OPENSSL_SHA256
 /* Compute SHA512 message digest for LEN bytes beginning at BUFFER.  The
    result is always in little endian byte order, so that a byte-wise
    output yields to the wanted ASCII representation of the message
@@ -567,3 +573,4 @@ sha256_process_block (const void *buffer, size_t len, struct sha256_ctx *ctx)
       h = ctx->state[7] += h;
     }
 }
+#endif