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New release

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This commit is contained in:
Werner Koch 1998-09-14 15:49:56 +00:00
parent bae662923c
commit c07a88da5d
61 changed files with 378 additions and 167 deletions
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21
cipher/blowfish.c
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@ -41,7 +41,7 @@
#define CIPHER_ALGO_BLOWFISH 4 /* blowfish 128 bit key */
#define CIPHER_ALGO_BLOWFISH160 42 /* blowfish 160 bit key (not in OpenPGP)*/
#define FNCCAST_SETKEY(f) (void(*)(void*, byte*, unsigned))(f)
#define FNCCAST_SETKEY(f) (int(*)(void*, byte*, unsigned))(f)
#define FNCCAST_CRYPT(f) (void(*)(void*, byte*, byte*))(f)
#define BLOWFISH_BLOCKSIZE 8
@ -55,7 +55,7 @@ typedef struct {
u32 p[BLOWFISH_ROUNDS+2];
} BLOWFISH_context;
static void bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen );
static int bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen );
static void encrypt_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf );
static void decrypt_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf );
@ -480,7 +480,7 @@ selftest()
static void
static int
bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
{
int i, j;
@ -543,6 +543,19 @@ bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
c->s3[i] = datal;
c->s3[i+1] = datar;
}
/* Check for weak key. A weak key is a key in which a value in */
/* the P-array (here c) occurs more than once per table. */
for(i=0; i < 255; i++ ) {
for( j=i+1; j < 256; j++) {
if( (c->s0[i] == c->s0[j]) || (c->s1[i] == c->s1[j]) ||
(c->s2[i] == c->s2[j]) || (c->s3[i] == c->s3[j]) )
return G10ERR_WEAK_KEY;
}
}
return 0;
}
@ -555,7 +568,7 @@ bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
const char *
blowfish_get_info( int algo, size_t *keylen,
size_t *blocksize, size_t *contextsize,
void (**r_setkey)( void *c, byte *key, unsigned keylen ),
int (**r_setkey)( void *c, byte *key, unsigned keylen ),
void (**r_encrypt)( void *c, byte *outbuf, byte *inbuf ),
void (**r_decrypt)( void *c, byte *outbuf, byte *inbuf )
)