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See ChangeLog: Sat Sep 18 12:16:08 CEST 1999 Werner Koch

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This commit is contained in:
Werner Koch 1999-09-18 10:17:16 +00:00
parent a3ee7c4682
commit 24ae98041f
8 changed files with 356 additions and 39 deletions
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28
g10/encr-data.c
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@ -23,6 +23,7 @@
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <gcrypt.h>
#include "util.h"
#include "memory.h"
#include "packet.h"
@ -38,8 +39,8 @@ static int mdc_decode_filter( void *opaque, int control, IOBUF a,
byte *buf, size_t *ret_len);
typedef struct {
CIPHER_HANDLE cipher_hd;
MD_HANDLE mdc_hash;
GCRY_CIPHER_HD cipher_hd;
GCRY_MD_HD mdc_hash;
char defer[20];
int defer_filled;
int eof_seen;
@ -55,27 +56,28 @@ decrypt_data( void *procctx, PKT_encrypted *ed, DEK *dek )
decode_filter_ctx_t dfx;
byte *p;
int rc=0, c, i;
int algo_okay;
byte temp[32];
unsigned blocksize;
int blocksize;
unsigned nprefix;
memset( &dfx, 0, sizeof dfx );
if( opt.verbose ) {
const char *s = cipher_algo_to_string( dek->algo );
if( s )
log_info(_("%s encrypted data\n"), s );
else
if( gcry_cipher_test_algo( dek->algo ) ) {
if( opt.verbose )
log_info(_("encrypted with unknown algorithm %d\n"), dek->algo );
}
if( (rc=check_cipher_algo(dek->algo)) )
rc = G10ERR_CIPHER_ALGO;
goto leave;
blocksize = cipher_get_blocksize(dek->algo);
if( !blocksize || blocksize > 16 )
}
if( opt.verbose )
log_info(_("%s encrypted data\n"), gcry_cipher_algo_name( dek->algo ) );
blocksize = gcry_cipher_get_blklen( dek->algo );
if( blocksize < 1 || blocksize > 16 )
log_fatal("unsupported blocksize %u\n", blocksize );
nprefix = blocksize;
if( ed->len && ed->len < (nprefix+2) )
BUG();
--> We are currently working HERE!!!!
if( ed->mdc_method )
dfx.mdc_hash = md_open( ed->mdc_method, 0 );
dfx.cipher_hd = cipher_open( dek->algo, CIPHER_MODE_AUTO_CFB, 1 );