/* Declarations of functions and data types used for SHA256 and SHA224 sum
library functions.
- Copyright (C) 2005-2006, 2008-2012 Free Software Foundation, Inc.
+ Copyright (C) 2005-2006, 2008-2016 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
# include <stdio.h>
# include <stdint.h>
+# if HAVE_OPENSSL_SHA256
+# include <openssl/sha.h>
+# endif
+
# ifdef __cplusplus
extern "C" {
# endif
+enum { SHA224_DIGEST_SIZE = 224 / 8 };
+enum { SHA256_DIGEST_SIZE = 256 / 8 };
+
+# if HAVE_OPENSSL_SHA256
+# define GL_OPENSSL_NAME 224
+# include "gl_openssl.h"
+# define GL_OPENSSL_NAME 256
+# include "gl_openssl.h"
+# else
/* Structure to save state of computation between the single steps. */
struct sha256_ctx
{
uint32_t buffer[32];
};
-enum { SHA224_DIGEST_SIZE = 224 / 8 };
-enum { SHA256_DIGEST_SIZE = 256 / 8 };
-
/* Initialize structure containing state of computation. */
extern void sha256_init_ctx (struct sha256_ctx *ctx);
extern void sha224_init_ctx (struct sha256_ctx *ctx);
extern void *sha224_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
-/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. The
- resulting message digest number will be written into the 32 (28) bytes
- beginning at RESBLOCK. */
-extern int sha256_stream (FILE *stream, void *resblock);
-extern int sha224_stream (FILE *stream, void *resblock);
-
/* Compute SHA256 (SHA224) 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
extern void *sha256_buffer (const char *buffer, size_t len, void *resblock);
extern void *sha224_buffer (const char *buffer, size_t len, void *resblock);
+# endif
+/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. The
+ resulting message digest number will be written into the 32 (28) bytes
+ beginning at RESBLOCK. */
+extern int sha256_stream (FILE *stream, void *resblock);
+extern int sha224_stream (FILE *stream, void *resblock);
+
+
# ifdef __cplusplus
}
# endif