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List and check sigs works

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This commit is contained in:
Werner Koch 1997-12-01 10:33:23 +00:00
parent 649eae8f1b
commit 5c1cca042e
35 changed files with 1007 additions and 793 deletions
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36
cipher/blowfish.c
View file

@ -242,7 +242,7 @@ function_F( BLOWFISH_context *bc, u32 x )
static void
encipher( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
encrypted( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
{
u32 xl, xr, temp;
int i;
@ -270,7 +270,7 @@ encipher( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
}
static void
decipher( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
decrypted( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
{
u32 xl, xr, temp;
int i;
@ -298,25 +298,25 @@ decipher( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
}
static void
encipher_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
encrypted_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
{
u32 d1, d2;
d1 = ((u32*)inbuf)[0];
d2 = ((u32*)inbuf)[1];
encipher( bc, &d1, &d2 );
encrypted( bc, &d1, &d2 );
((u32*)outbuf)[0] = d1;
((u32*)outbuf)[1] = d2;
}
static void
decipher_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
decrypted_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
{
u32 d1, d2;
d1 = ((u32*)inbuf)[0];
d2 = ((u32*)inbuf)[1];
decipher( bc, &d1, &d2 );
decrypted( bc, &d1, &d2 );
((u32*)outbuf)[0] = d1;
((u32*)outbuf)[1] = d2;
}
@ -349,27 +349,27 @@ blowfish_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
datal = datar = 0;
for(i=0; i < BLOWFISH_ROUNDS+2; i += 2 ) {
encipher( c, &datal, &datar );
encrypted( c, &datal, &datar );
c->p[i] = datal;
c->p[i+1] = datar;
}
for(i=0; i < 256; i += 2 ) {
encipher( c, &datal, &datar );
encrypted( c, &datal, &datar );
c->s0[i] = datal;
c->s0[i+1] = datar;
}
for(i=0; i < 256; i += 2 ) {
encipher( c, &datal, &datar );
encrypted( c, &datal, &datar );
c->s1[i] = datal;
c->s1[i+1] = datar;
}
for(i=0; i < 256; i += 2 ) {
encipher( c, &datal, &datar );
encrypted( c, &datal, &datar );
c->s2[i] = datal;
c->s2[i+1] = datar;
}
for(i=0; i < 256; i += 2 ) {
encipher( c, &datal, &datar );
encrypted( c, &datal, &datar );
c->s3[i] = datal;
c->s3[i+1] = datar;
}
@ -384,7 +384,7 @@ blowfish_setiv( BLOWFISH_context *c, byte *iv )
else
memset( c->iv, 0, BLOWFISH_BLOCKSIZE );
c->count = 0;
encipher_block( c, c->eniv, c->iv );
encrypted_block( c, c->eniv, c->iv );
}
@ -395,7 +395,7 @@ blowfish_encode( BLOWFISH_context *c, byte *outbuf, byte *inbuf,
unsigned n;
for(n=0; n < nblocks; n++ ) {
encipher_block( c, outbuf, inbuf );
encrypted_block( c, outbuf, inbuf );
inbuf += BLOWFISH_BLOCKSIZE;;
outbuf += BLOWFISH_BLOCKSIZE;
}
@ -408,7 +408,7 @@ blowfish_decode( BLOWFISH_context *c, byte *outbuf, byte *inbuf,
unsigned n;
for(n=0; n < nblocks; n++ ) {
decipher_block( c, outbuf, inbuf );
decrypted_block( c, outbuf, inbuf );
inbuf += BLOWFISH_BLOCKSIZE;;
outbuf += BLOWFISH_BLOCKSIZE;
}
@ -451,7 +451,7 @@ blowfish_encode_cfb( BLOWFISH_context *c, byte *outbuf,
outbuf += n;
assert( c->count <= BLOWFISH_BLOCKSIZE);
if( c->count == BLOWFISH_BLOCKSIZE ) {
encipher_block( c, c->eniv, c->iv );
encrypted_block( c, c->eniv, c->iv );
c->count = 0;
}
else
@ -461,7 +461,7 @@ blowfish_encode_cfb( BLOWFISH_context *c, byte *outbuf,
while( nbytes >= BLOWFISH_BLOCKSIZE ) {
xorblock( outbuf, c->eniv, inbuf, BLOWFISH_BLOCKSIZE);
memcpy( c->iv, outbuf, BLOWFISH_BLOCKSIZE);
encipher_block( c, c->eniv, c->iv );
encrypted_block( c, c->eniv, c->iv );
nbytes -= BLOWFISH_BLOCKSIZE;
inbuf += BLOWFISH_BLOCKSIZE;
outbuf += BLOWFISH_BLOCKSIZE;
@ -495,7 +495,7 @@ blowfish_decode_cfb( BLOWFISH_context *c, byte *outbuf,
outbuf += n;
assert( c->count <= BLOWFISH_BLOCKSIZE);
if( c->count == BLOWFISH_BLOCKSIZE ) {
encipher_block( c, c->eniv, c->iv );
encrypted_block( c, c->eniv, c->iv );
c->count = 0;
}
else
@ -506,7 +506,7 @@ blowfish_decode_cfb( BLOWFISH_context *c, byte *outbuf,
while( nbytes >= BLOWFISH_BLOCKSIZE ) {
memcpy( c->iv, inbuf, BLOWFISH_BLOCKSIZE);
xorblock( outbuf, c->eniv, inbuf, BLOWFISH_BLOCKSIZE);
encipher_block( c, c->eniv, c->iv );
encrypted_block( c, c->eniv, c->iv );
nbytes -= BLOWFISH_BLOCKSIZE;
inbuf += BLOWFISH_BLOCKSIZE;
outbuf += BLOWFISH_BLOCKSIZE;