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-rw-r--r--cipher/rmd160.c208
1 files changed, 104 insertions, 104 deletions
diff --git a/cipher/rmd160.c b/cipher/rmd160.c
index 24c904a5b..e8c424fa6 100644
--- a/cipher/rmd160.c
+++ b/cipher/rmd160.c
@@ -1,5 +1,5 @@
-/* rmd160.c - RIPE-MD160
- * Copyright (c) 1997 by Werner Koch (dd9jn)
+/* rmd160.c - RIPE-MD160
+ * Copyright (c) 1997 by Werner Koch (dd9jn)
*
* This file is part of G10.
*
@@ -48,20 +48,20 @@
*
* nonlinear functions at bit level: exor, mux, -, mux, -
*
- * f(j, x, y, z) = x XOR y XOR z (0 <= j <= 15)
+ * f(j, x, y, z) = x XOR y XOR z (0 <= j <= 15)
* f(j, x, y, z) = (x AND y) OR (NOT(x) AND z) (16 <= j <= 31)
- * f(j, x, y, z) = (x OR NOT(y)) XOR z (32 <= j <= 47)
+ * f(j, x, y, z) = (x OR NOT(y)) XOR z (32 <= j <= 47)
* f(j, x, y, z) = (x AND z) OR (y AND NOT(z)) (48 <= j <= 63)
- * f(j, x, y, z) = x XOR (y OR NOT(z)) (64 <= j <= 79)
+ * f(j, x, y, z) = x XOR (y OR NOT(z)) (64 <= j <= 79)
*
*
* added constants (hexadecimal)
*
- * K(j) = 0x00000000 (0 <= j <= 15)
- * K(j) = 0x5A827999 (16 <= j <= 31) int(2**30 x sqrt(2))
- * K(j) = 0x6ED9EBA1 (32 <= j <= 47) int(2**30 x sqrt(3))
- * K(j) = 0x8F1BBCDC (48 <= j <= 63) int(2**30 x sqrt(5))
- * K(j) = 0xA953FD4E (64 <= j <= 79) int(2**30 x sqrt(7))
+ * K(j) = 0x00000000 (0 <= j <= 15)
+ * K(j) = 0x5A827999 (16 <= j <= 31) int(2**30 x sqrt(2))
+ * K(j) = 0x6ED9EBA1 (32 <= j <= 47) int(2**30 x sqrt(3))
+ * K(j) = 0x8F1BBCDC (48 <= j <= 63) int(2**30 x sqrt(5))
+ * K(j) = 0xA953FD4E (64 <= j <= 79) int(2**30 x sqrt(7))
* K'(j) = 0x50A28BE6 (0 <= j <= 15) int(2**30 x cbrt(2))
* K'(j) = 0x5C4DD124 (16 <= j <= 31) int(2**30 x cbrt(3))
* K'(j) = 0x6D703EF3 (32 <= j <= 47) int(2**30 x cbrt(5))
@@ -71,7 +71,7 @@
*
* selection of message word
*
- * r(j) = j (0 <= j <= 15)
+ * r(j) = j (0 <= j <= 15)
* r(16..31) = 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8
* r(32..47) = 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12
* r(48..63) = 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2
@@ -100,7 +100,7 @@
* initial value (hexadecimal)
*
* h0 = 0x67452301; h1 = 0xEFCDAB89; h2 = 0x98BADCFE; h3 = 0x10325476;
- * h4 = 0xC3D2E1F0;
+ * h4 = 0xC3D2E1F0;
*
*
* RIPEMD-160: pseudo-code
@@ -112,17 +112,17 @@
*
*
* for i := 0 to t-1 {
- * A := h0; B := h1; C := h2; D = h3; E = h4;
- * A' := h0; B' := h1; C' := h2; D' = h3; E' = h4;
- * for j := 0 to 79 {
- * T := rol_s(j)(A [+] f(j, B, C, D) [+] X[i][r(j)] [+] K(j)) [+] E;
- * A := E; E := D; D := rol_10(C); C := B; B := T;
- * T := rol_s'(j)(A' [+] f(79-j, B', C', D') [+] X[i][r'(j)]
- [+] K'(j)) [+] E';
- * A' := E'; E' := D'; D' := rol_10(C'); C' := B'; B' := T;
- * }
- * T := h1 [+] C [+] D'; h1 := h2 [+] D [+] E'; h2 := h3 [+] E [+] A';
- * h3 := h4 [+] A [+] B'; h4 := h0 [+] B [+] C'; h0 := T;
+ * A := h0; B := h1; C := h2; D = h3; E = h4;
+ * A' := h0; B' := h1; C' := h2; D' = h3; E' = h4;
+ * for j := 0 to 79 {
+ * T := rol_s(j)(A [+] f(j, B, C, D) [+] X[i][r(j)] [+] K(j)) [+] E;
+ * A := E; E := D; D := rol_10(C); C := B; B := T;
+ * T := rol_s'(j)(A' [+] f(79-j, B', C', D') [+] X[i][r'(j)]
+ [+] K'(j)) [+] E';
+ * A' := E'; E' := D'; D' := rol_10(C'); C' := B'; B' := T;
+ * }
+ * T := h1 [+] C [+] D'; h1 := h2 [+] D [+] E'; h2 := h3 [+] E [+] A';
+ * h3 := h4 [+] A [+] B'; h4 := h0 [+] B [+] C'; h0 := T;
* }
*/
@@ -159,29 +159,29 @@ static void
transform( RMDHANDLE hd, byte *data )
{
static int r[80] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
- 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
- 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
- 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 };
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+ 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+ 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+ 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 };
static int rr[80] = {
- 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
- 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
- 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
- 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
- 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 };
+ 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+ 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+ 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+ 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+ 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 };
static int s[80] = {
- 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
- 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
- 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
- 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
- 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 };
+ 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+ 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+ 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+ 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+ 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 };
static int ss[80] = {
- 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
- 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
- 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
- 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
- 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 };
+ 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+ 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+ 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+ 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+ 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 };
u32 a,b,c,d,e,aa,bb,cc,dd,ee,t;
int rbits, j;
#ifdef BIG_ENDIAN_HOST
@@ -190,14 +190,14 @@ transform( RMDHANDLE hd, byte *data )
u32 *x;
#endif
-#define K(a) ( (a) < 16 ? 0x00000000 : \
- (a) < 32 ? 0x5A827999 : \
- (a) < 48 ? 0x6ED9EBA1 : \
- (a) < 64 ? 0x8F1BBCDC : 0xA953FD4E )
-#define KK(a) ( (a) < 16 ? 0x50A28BE6 : \
- (a) < 32 ? 0x5C4DD124 : \
- (a) < 48 ? 0x6D703EF3 : \
- (a) < 64 ? 0x7A6D76E9 : 0x00000000 )
+#define K(a) ( (a) < 16 ? 0x00000000 : \
+ (a) < 32 ? 0x5A827999 : \
+ (a) < 48 ? 0x6ED9EBA1 : \
+ (a) < 64 ? 0x8F1BBCDC : 0xA953FD4E )
+#define KK(a) ( (a) < 16 ? 0x50A28BE6 : \
+ (a) < 32 ? 0x5C4DD124 : \
+ (a) < 48 ? 0x6D703EF3 : \
+ (a) < 64 ? 0x7A6D76E9 : 0x00000000 )
#define F0(x,y,z) ( (x) ^ (y) ^ (z) )
#define F1(x,y,z) ( ((x) & (y)) | (~(x) & (z)) )
@@ -205,10 +205,10 @@ transform( RMDHANDLE hd, byte *data )
#define F3(x,y,z) ( ((x) & (z)) | ((y) & ~(z)) )
#define F4(x,y,z) ( (x) ^ ((y) | ~(z)) )
#define F(a,x,y,z) ( (a) < 16 ? F0((x),(y),(z)) : \
- (a) < 32 ? F1((x),(y),(z)) : \
- (a) < 48 ? F2((x),(y),(z)) : \
- (a) < 64 ? F3((x),(y),(z)) : \
- F4((x),(y),(z)) )
+ (a) < 32 ? F1((x),(y),(z)) : \
+ (a) < 48 ? F2((x),(y),(z)) : \
+ (a) < 64 ? F3((x),(y),(z)) : \
+ F4((x),(y),(z)) )
#define rol(n,x) ( ((x) << (n)) | ((x) >> (32-(n))) )
@@ -217,14 +217,14 @@ transform( RMDHANDLE hd, byte *data )
{ int i;
byte *p2, *p1;
for(i=0, p1=data, p2=(byte*)x; i < 16; i++, p2 += 4 ) {
- p2[3] = *p1++;
- p2[2] = *p1++;
- p2[1] = *p1++;
- p2[0] = *p1++;
+ p2[3] = *p1++;
+ p2[2] = *p1++;
+ p2[1] = *p1++;
+ p2[0] = *p1++;
}
}
#else
- x = data;
+ x = (u32*)data;
#endif
a = aa = hd->h0;
@@ -234,20 +234,20 @@ transform( RMDHANDLE hd, byte *data )
e = ee = hd->h4;
for(j=0; j < 80; j++ ) {
- t = a + F( j, b, c, d ) + x[ r[j] ] + K(j);
- rbits = s[j];
- a = rol(rbits, t) + e;
- c = rol(10,c);
- t = a; a = e; e = d; d = c; c = b; b = t;
-
- t = aa + F(79-j, bb, cc, dd ) + x[ rr[j] ] + KK(j);
- rbits = ss[j];
- aa = rol(rbits, t) + ee;
- cc = rol(10,cc);
- t = aa; aa = ee; ee = dd; dd = cc; cc = bb; bb = t;
+ t = a + F( j, b, c, d ) + x[ r[j] ] + K(j);
+ rbits = s[j];
+ a = rol(rbits, t) + e;
+ c = rol(10,c);
+ t = a; a = e; e = d; d = c; c = b; b = t;
+
+ t = aa + F(79-j, bb, cc, dd ) + x[ rr[j] ] + KK(j);
+ rbits = ss[j];
+ aa = rol(rbits, t) + ee;
+ cc = rol(10,cc);
+ t = aa; aa = ee; ee = dd; dd = cc; cc = bb; bb = t;
}
- t = hd->h1 + c + dd;
+ t = hd->h1 + c + dd;
hd->h1 = hd->h2 + d + ee;
hd->h2 = hd->h3 + e + aa;
hd->h3 = hd->h4 + a + bb;
@@ -264,7 +264,7 @@ rmd160_open( int secure )
RMDHANDLE hd;
hd = secure? m_alloc_secure( sizeof *hd )
- : m_alloc( sizeof *hd );
+ : m_alloc( sizeof *hd );
initialize(hd);
return hd;
}
@@ -277,7 +277,7 @@ rmd160_copy( RMDHANDLE a )
assert(a);
b = m_is_secure(a)? m_alloc_secure( sizeof *b )
- : m_alloc( sizeof *b );
+ : m_alloc( sizeof *b );
memcpy( b, a, sizeof *a );
return b;
}
@@ -298,7 +298,7 @@ void
rmd160_close(RMDHANDLE hd)
{
if( hd )
- m_free(hd);
+ m_free(hd);
}
@@ -310,29 +310,29 @@ void
rmd160_write( RMDHANDLE hd, byte *inbuf, size_t inlen)
{
if( hd->bufcount == 64 ) { /* flush the buffer */
- transform( hd, hd->buffer );
- hd->bufcount = 0;
- hd->nblocks++;
+ transform( hd, hd->buffer );
+ hd->bufcount = 0;
+ hd->nblocks++;
}
if( !inbuf )
- return;
+ return;
if( hd->bufcount ) {
- for( ; inlen && hd->bufcount < 64; inlen-- )
- hd->buffer[hd->bufcount++] = *inbuf++;
- rmd160_write( hd, NULL, 0 );
- if( !inlen )
- return;
+ for( ; inlen && hd->bufcount < 64; inlen-- )
+ hd->buffer[hd->bufcount++] = *inbuf++;
+ rmd160_write( hd, NULL, 0 );
+ if( !inlen )
+ return;
}
while( inlen >= 64 ) {
- transform( hd, inbuf );
- hd->bufcount = 0;
- hd->nblocks++;
- inlen -= 64;
- inbuf += 64;
+ transform( hd, inbuf );
+ hd->bufcount = 0;
+ hd->nblocks++;
+ inlen -= 64;
+ inbuf += 64;
}
for( ; inlen && hd->bufcount < 64; inlen-- )
- hd->buffer[hd->bufcount++] = *inbuf++;
+ hd->buffer[hd->bufcount++] = *inbuf++;
}
@@ -354,27 +354,27 @@ rmd160_final(RMDHANDLE hd)
msb = 0;
t = hd->nblocks;
if( (lsb = t << 6) < t ) /* multiply by 64 to make a byte count */
- msb++;
+ msb++;
msb += t >> 26;
t = lsb;
if( (lsb = t + hd->bufcount) < t ) /* add the bufcount */
- msb++;
+ msb++;
t = lsb;
if( (lsb = t << 3) < t ) /* multiply by 8 to make a bit count */
- msb++;
+ msb++;
msb += t >> 29;
if( hd->bufcount < 56 ) { /* enough room */
- hd->buffer[hd->bufcount++] = 0x80; /* pad */
- while( hd->bufcount < 56 )
- hd->buffer[hd->bufcount++] = 0; /* pad */
+ hd->buffer[hd->bufcount++] = 0x80; /* pad */
+ while( hd->bufcount < 56 )
+ hd->buffer[hd->bufcount++] = 0; /* pad */
}
else { /* need one extra block */
- hd->buffer[hd->bufcount++] = 0x80; /* pad character */
- while( hd->bufcount < 64 )
- hd->buffer[hd->bufcount++] = 0;
- rmd160_write(hd, NULL, 0); /* flush */;
- memset(hd->buffer, 0, 56 ); /* fill next block with zeroes */
+ hd->buffer[hd->bufcount++] = 0x80; /* pad character */
+ while( hd->bufcount < 64 )
+ hd->buffer[hd->bufcount++] = 0;
+ rmd160_write(hd, NULL, 0); /* flush */;
+ memset(hd->buffer, 0, 56 ); /* fill next block with zeroes */
}
/* append the 64 bit count */
hd->buffer[56] = lsb ;
@@ -389,8 +389,8 @@ rmd160_final(RMDHANDLE hd)
p = hd->buffer;
#ifdef BIG_ENDIAN_HOST
- #define X(a) do { *p++ = hd->h##a ; *p++ = hd->h##a >> 8; \
- *p++ = hd->h##a >> 16; *p++ = hd->h##a >> 24; } while(0)
+ #define X(a) do { *p++ = hd->h##a ; *p++ = hd->h##a >> 8; \
+ *p++ = hd->h##a >> 16; *p++ = hd->h##a >> 24; } while(0)
#else /* little endian */
#define X(a) do { *(u32*)p = hd->h##a ; p += 4; } while(0)
#endif
@@ -401,7 +401,7 @@ rmd160_final(RMDHANDLE hd)
X(4);
#undef X
- initialize( hd ); /* prepare for next cycle */
+ initialize( hd ); /* prepare for next cycle */
return hd->buffer; /* now contains the digest */
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 16:21:08 +0000