/* sha1.c - Functions to compute SHA1 message digest of files or
memory blocks according to the NIST specification FIPS-180-1.
- Copyright (C) 2000-2001, 2003-2006, 2008-2012 Free Software Foundation, Inc.
+ Copyright (C) 2000-2001, 2003-2006, 2008-2014 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 the
#include <config.h>
+#if HAVE_OPENSSL_SHA1
+# define GL_OPENSSL_INLINE _GL_EXTERN_INLINE
+#endif
#include "sha1.h"
#include <stdalign.h>
# error "invalid BLOCKSIZE"
#endif
+#if ! HAVE_OPENSSL_SHA1
/* This array contains the bytes used to pad the buffer to the next
64-byte boundary. (RFC 1321, 3.1: Step 1) */
static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ };
/* Copy the 4 byte value from v into the memory location pointed to by *cp,
If your architecture allows unaligned access this is equivalent to
* (uint32_t *) cp = v */
-static inline void
+static void
set_uint32 (char *cp, uint32_t v)
{
memcpy (cp, &v, sizeof v);
return sha1_read_ctx (ctx, resbuf);
}
+#endif
/* Compute SHA1 message digest for bytes read from STREAM. The
resulting message digest number will be written into the 16 bytes
return 0;
}
+#if ! HAVE_OPENSSL_SHA1
/* Compute SHA1 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
uint32_t c = ctx->C;
uint32_t d = ctx->D;
uint32_t e = ctx->E;
+ uint32_t lolen = len;
/* First increment the byte count. RFC 1321 specifies the possible
length of the file up to 2^64 bits. Here we only compute the
number of bytes. Do a double word increment. */
- ctx->total[0] += len;
- if (ctx->total[0] < len)
- ++ctx->total[1];
+ ctx->total[0] += lolen;
+ ctx->total[1] += (len >> 31 >> 1) + (ctx->total[0] < lolen);
#define rol(x, n) (((x) << (n)) | ((uint32_t) (x) >> (32 - (n))))
e = ctx->E += e;
}
}
+#endif