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authorMoritz Schulte <mo@g10code.com>2003-04-16 16:21:34 +0000
committerMoritz Schulte <mo@g10code.com>2003-04-16 16:21:34 +0000
commit62ee765f9df47ab2f37cfe00c019ffe81ded664a (patch)
tree05b8ceb9a842331db561e07b009158bc0e1efe5a /cipher/blowfish.c
parent05a4715e94bd7d6c7d63c1dc307caa5a330a3b7e (diff)
downloadlibgcrypt-62ee765f9df47ab2f37cfe00c019ffe81ded664a.tar.gz
2003-04-16 Moritz Schulte <moritz@g10code.com>
* rand-internal.h: Removed declarations for constructor functions. * md.c (md_copy): Call _gcry_module_use for incrementing the usage counter of the digest modules. * rsa.c: Do not include "rsa.h". * dsa.c: Do not include "dsa.h". * elgamal.c: Do not include "elgamal.h". * des.c: Do not include "des.h". * cast5.c: Do not include "cast5.h". * blowfish.c: Do not include "blowfish.h". * arcfour.c: Do not include "arcfour.h". * Makefile.am (libcipher_la_DEPENDENCIES): Removed. (libcipher_la_LIBADD): Removed. Use Automake conditionals for conditional compilation. 2003-04-13 Moritz Schulte <moritz@g10code.com> * cipher.c (gcry_cipher_open): Call REGISTER_DEFAULT_CIPHERS. * md.c (gcry_md_list): New member: module. (md_enable): New variable: module, changed use of module and digest. (md_enable): Initialize member: module. (md_close): Call _gcry_module_release. * cipher.c (gcry_cipher_open): New variable: module, changed use of module and cipher. (struct gcry_cipher_handle): New member: module. (gcry_cipher_open): Initialize member: module. (gcry_cipher_close): Call _gcry_module_release. 2003-04-09 Moritz Schulte <moritz@g10code.com> * cipher.c: Include "ath.h". * md.c: Likewise. * pubkey.c: Likewise. * cipher.c (ciphers_registered_lock): New variable. * md.c (digests_registered_lock): New variable. * pubkey.c (pubkeys_registered_lock): New variable. * rndlinux.c (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_rndlinux_constructor): Removed function. * rndegd.c (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_rndegd_constructor): Removed function. * rndunix.c (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_rndunix_constructor): Removed function. * rndw32.c (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_rndw32_constructor): Removed function. * rndegd.c (rndegd_connect_socket): Simplify code for creating the egd socket address. (rndegd_connect_socket): Call log_fatal use instead of g10_log_fatal. (egd_gather_random): Renamed to ... (rndegd_gather_random): ... here. 2003-04-08 Moritz Schulte <moritz@g10code.com> * rndlinux.c: Do not include "dynload.h". * rndunix.c: Likewise. * rndw32.c: Likewise. * rndegd.c (rndegd_connect_socket): Factored out from ... (egd_gather_random): here; call it. (egd_socket): New variable. (egd_gather_random): Initialize fd with egd_socket, do not declare fd static. (do_read): Merged few changes from GnuPG. FIXME - not finished? Do not include "dynload.h". * rndw32.c (gather_random): Renamed to rndw32_gather_random, do not declare static. (gather_random_fast): Renamed to rndw32_gather_random_fast, do not declare static. * rndunix.c (gather_random): Renamed to rndunix_gather_random, do not declare static. * rndegd.c (gather_random): Renamed to rndegd_gather_random, do not declare static. * rndlinux.c (gather_random): Renamed to rndlinux_gather_random, do not declare static. 2003-04-07 Moritz Schulte <moritz@g10code.com> * Makefile.am (libcipher_la_SOURCES): Removed construct.c. (libcipher_la_SOURCES): Added sha1.c, sha256.c, rmd160.c, md4.c, md5.c, tiger.c and crc.c (EXTRA_PROGRAMS): Removed sha1, sha256, rmd160, md4, md5, tiger and crc. Removed definitions: EXTRA_md4_SOURCES, EXTRA_md5_SOURCES, EXTRA_rmd160_SOURCES, EXTRA_sha1_SOURCES, EXTRA_sha256_SOURCES, EXTRA_tiger_SOURCES and EXTRA_crc_SOURCES, BUILT_SOURCES, DISTCLEANFILES. * pubkey.c: Do not include "elgamal.h", "dsa.h" and "rsa.h". * Makefile.am (libcipher_la_SOURCES): Removed rsa.h, elgamal.h, dsa.h, des.h, cast5.h, arcfour.h and blowfish.h. * rsa.h: Removed file. * elgamal.h: Removed file. * dsa.h: Removed file. * des.h: Removed file. * cast5.h: Removed file. * arcfour.h: Removed file. * blowfish.h: Removed file. * Makefile.am (libcipher_la_SOURCES): Removed dynload.c and dynload.h. * rsa.c (pubkey_spec_rsa): New variable. * dsa.c (pubkey_spec_rsa): New variable. * elgamal.c (pubkey_spec_elg): New variable. * rsa.c (_gcry_rsa_get_info): Removed function. * elgamal.c (_gcry_elg_get_info): Removed function. * dsa.c (_gcry_dsa_get_info): Removed function. * tiger.c (tiger_get_info): Removed function. (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_tiger_constructor): Removed function. * sha1.c (sha1_get_info): Removed function. (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_sha1_constructor): Removed function. * sha256.c (sha256_get_info): Removed function. (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_sha256_constructor): Removed function. * rmd160.c (rmd160_get_info): Removed function. (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_rmd160_constructor): Removed function. * md5.c (md5_get_info): Removed function. (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_md5_constructor): Removed function. * md4.c (md4_get_info): Removed function. (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func): Removed function. (_gcry_md4_constructor): Removed function. * crc.c (crc_get_info): Removed function. * arcfour.c (do_arcfour_setkey): Changed type of context argument to `void *', added local variable for cast, adjusted callers. (arcfour_setkey): Likewise. (encrypt_stream): Likewise. * cast5.c (cast_setkey): Likewise. (encrypt_block): Likewise. * rijndael.c (rijndael_setkey): Likewise. (rijndael_encrypt): Likewise. (rijndael_decrypt): Likewise. * twofish.c (twofish_setkey): Likewise. (twofish_encrypt): Likewise. (twofish_decrypt): Likewise. * des.c (do_des_setkey): Likewise. (do_des_encrypt): Likewise. (do_des_encrypt): Likewise. (do_tripledes_encrypt): Likewise. (do_tripledes_encrypt): Likewise. * blowfish.c (bf_setkey: Likewise. (encrypt_block): Likewise. (decrypt_block): Likewise. * arcfour.c (encrypt_stream): Likewise. * rijndael.c (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func) Removed function. * twofish.c (gnupgext_version, func_table): Removed definitions. (gnupgext_enum_func) Removed function. * cast5.c (CIPHER_ALGO_CAST5): Removed. * blowfish.c (FNCCAST_SETKEY, FNCCAST_CRYPT): Removed macros. (CIPHER_ALGO_BLOWFISH): Removed symbol. * cast5.c (FNCCAST_SETKEY, FNCCAST_CRYPT): Likewise. * des.c (selftest_failed): Removed. (initialized): New variable. (do_des_setkey): Run selftest, if not yet done. (FNCCAST_SETKEY, FNCCAST_CRYPT): Removed macros. * arcfour.c (_gcry_arcfour_get_info): Removed function. * blowfish.c (_gcry_blowfish_get_info): Removed function. * cast5.c (_gcry_cast5_get_info): Removed function. * des.c (_gcry_des_get_info): Removed function. * rijndael.c (_gcry_rijndael_get_info): Removed function. * twofish.c (_gcry_twofish_get_info): Removed function. * arcfour.c (cipher_spec_arcfour): New variable. * twofish.c (cipher_spec_twofish, cipher_spec_twofish128): New variables. * rijndael.c (cipher_spec_aes, cipher_spec_aes192, cipher_spec256): New variables. * des.c (cipher_spec_des, cipher_spec_tripledes): New variables. * cast5.c (cipher_spec_cast5): New variable. * blowfish.c (cipher_spec_blowfish): Likewise. * twofish.c: Do not include "dynload.h". * rijndael.c: Likewise. * des.c: Likewise. * cast5.c: Likewise. * blowfish.c: Likewise. * cipher.c: Likewise. * crc.c: Likewise. * md4.c: Likewise. * md5.c: Likewise. * md.c: Likewise. * pubkey.c: Likewise. * rijndael.c: Likewise. * sha1.c: Likewise. * sha256.c: Likewise. * arcfour.c: Include "cipher.h". * twofish.c: Likewise. * rijndael.c: Likewise. * des.c: Likewise. * cast5.c: Likewise. * blowfish.c: Likewise. * twofish.c (twofish_setkey): Declared argument `key' const. (twofish_encrypt): Declared argument `inbuf' const. (twofish_decrypt): Likewise. * rijndael.c (rijndael_setkey): Declared argument `key' const. (rijndael_encrypt): Declared argument `inbuf' const. (rijndael_decrypt): Likewise. * des.c (do_des_setkey): Declared argument `key' const. (do_tripledes_setkey): Likewise. (do_des_encrypt): Declared argument `inbuf' const. (do_des_decrypt): Likewise. (do_tripledes_encrypt): Likewise. (do_tripledes_decrypt): Likewise. * cast5.c (encrypt_block): Declared argument `inbuf' const. (decrypt_block): Likewise. (cast_setkey): Declared argument `key' const. * blowfish.c (do_bf_setkey): Declared argument `key' const. (encrypt_block): Declared argument `inbuf' const. (encrypt_block): Likewise. * cipher.c: Remove CIPHER_ALGO_DUMMY related code. Removed struct cipher_table_s. Changed definition of cipher_table. Removed definition of disabled_algos. (ciphers_registered, default_ciphers_registered): New variables. (REGISTER_DEFAULT_CIPHERS): New macro. (dummy_setkey): Declared argument `key' const. (dummy_encrypt_block): Declared argument `inbuf' const. (dummy_encrypt_block): Likewise. (dummy_encrypt_stream): Likewise. (dummy_encrypt_stream): Likewise. (dummy_setkey): Use `unsigned char' instead of `byte'. (dummy_encrypt_block): Likewise. (dummy_decrypt_block): Likewise. (dummy_encrypt_stream): Likewise. (dummy_decrypt_stream): Likewise. (gcry_cipher_register_default): New function. (gcry_cipher_lookup_func_id): New function. (gcry_cipher_lookup_func_name): New function. (gcry_cipher_lookup_id): New function. (gcry_cipher_lookup_name): New function. (gcry_cipher_id_new): New function. (gcry_cipher_register): New function. (gcry_cipher_unregister): New function. (setup_cipher_table): Removed function. (load_cipher_modules): Removed function. (gcry_cipher_map_name): Adjusted to use new module management. (cipher_algo_to_string): Likewise. (disable_cipher_algo): Likewise. (check_cipher_algo): Likewise. (cipher_get_keylen): Likewise. (cipher_get_blocksize): Likewise. (gcry_cipher_open): Likewise. (struct gcry_cipher_handle): Replaced members algo, algo_index, blocksize, setkey, encrypt, decrypt, stencrypt, stdecrypt with one member: cipher. (gcry_cipher_open): Adjusted code for new handle structure. (cipher_setkey): Likewise. (cipher_setiv): Likewise. (cipher_reset): Likewise. (do_ecb_encrypt): Likewise. (do_ecb_decrypt): Likewise. (do_cbc_encrypt): Likewise. (do_cbc_decrypt): Likewise. (do_cfb_encrypt): Likewise. (do_cfb_decrypt): Likewise. (do_ctr_encrypt): Likewise. (cipher_encrypt): Likewise. (gcry_cipher_encrypt): Likewise. (cipher_decrypt): Likewise. (gcry_cipher_decrypt): Likewise. (cipher_sync): Likewise. (gcry_cipher_ctl): Likewise. * pubkey.c: Removed struct pubkey_table_s. Changed definition of pubkey_table. Removed definition of disabled_algos. (pubkeys_registered, default_pubkeys_registered): New variables. (REGISTER_DEFAULT_PUBKEYS): New macro. (setup_pubkey_table): Removed function. (load_pubkey_modules): Removed function. (gcry_pubkey_register_default): New function. (gcry_pubkey_lookup_func_id): New function. (gcry_pubkey_lookup_func_name): New function. (gcry_pubkey_lookup_id): New function. (gcry_pubkey_lookup_name): New function. (gcry_pubkey_id_new): New function. (gcry_pubkey_register): New function. (gcry_pubkey_unregister): New function. (gcry_pk_map_name): Adjusted to use new module management. (gcry_pk_algo_name): Likewise. (disable_pubkey_algo): Likewise. (check_pubkey_algo): Likewise. (pubkey_get_npkey): Likewise. (pubkey_get_nskey): Likewise. (pubkey_get_nsig): Likewise. (pubkey_get_nenc): Likewise. (pubkey_generate): Likewise. (pubkey_check_secret_key): Likewise. (pubkey_encrypt): Likewise. (pubkey_decrypt): Likewise. (pubkey_sign): Likewise. (pubkey_verify): Likewise. (gcry_pk_get_nbits): Likewise. (gcry_pk_algo_info): Likewise. * md.c: Removed struct md_digest_list_s. (digest_list): Changed definition. (digests_registered, default_digests_registered): New variables. (REGISTER_DEFAULT_DIGESTS): New macro. (new_list_item): Removed function. (setup_md_table): Removed function. (load_digest_module): Removed function. (gcry_digest_register_default): New function. (gcry_digest_lookup_func_id): New function. (gcry_digest_lookup_func_name): New function. (gcry_digest_lookup_id): New function. (gcry_digest_lookup_name): New function. (gcry_digest_id_new): New function. (gcry_digest_register): New function. (gcry_digest_unregister): New function. (GcryDigestEntry): New type. (struct gcry_md_context): Adjusted type of `list'. (gcry_md_map_name): Adjusted to use new module management. (digest_algo_to_string): Likewise. (check_digest_algo): Likewise. (md_enable): Likewise. (md_digest_length): Likewise. (md_asn_oid): Likewise. 2003-04-07 Moritz Schulte <moritz@g10code.com> * pubkey.c: Replaced PUBKEY_ALGO_DSA with GCRY_PK_DSA, PUBKEY_ALGO_RSA with GCRY_PK_RSA and PUBKEY_ALGO_ELGAMAL with GCRY_PK_ELG. * dsa.c: Replaced PUBKEY_ALGO_DSA with GCRY_PK_DSA. 2003-04-01 Moritz Schulte <moritz@g10code.com> * des.c: Removed checks for GCRY_CIPHER_3DES and GCRY_CIPHER_DES.
Diffstat (limited to 'cipher/blowfish.c')
-rw-r--r--cipher/blowfish.c93
1 files changed, 33 insertions, 60 deletions
diff --git a/cipher/blowfish.c b/cipher/blowfish.c
index a911c5b3..707c9560 100644
--- a/cipher/blowfish.c
+++ b/cipher/blowfish.c
@@ -36,15 +36,7 @@
#include <assert.h>
#include "types.h"
#include "g10lib.h"
-#include "blowfish.h"
-#include "dynload.h"
-
-
-
-#define CIPHER_ALGO_BLOWFISH 4 /* blowfish 128 bit key */
-
-#define FNCCAST_SETKEY(f) (int(*)(void*, byte*, unsigned))(f)
-#define FNCCAST_CRYPT(f) (void(*)(void*, byte*, byte*))(f)
+#include "cipher.h"
#define BLOWFISH_BLOCKSIZE 8
#define BLOWFISH_ROUNDS 16
@@ -57,9 +49,9 @@ typedef struct {
u32 p[BLOWFISH_ROUNDS+2];
} BLOWFISH_context;
-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 );
+static int bf_setkey (void *c, const byte *key, unsigned keylen);
+static void encrypt_block (void *bc, byte *outbuf, const byte *inbuf);
+static void decrypt_block (void *bc, byte *outbuf, const byte *inbuf);
/* precomputed S boxes */
@@ -415,7 +407,7 @@ decrypt( BLOWFISH_context *bc, u32 *ret_xl, u32 *ret_xr )
#undef R
static void
-do_encrypt_block ( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
+do_encrypt_block ( BLOWFISH_context *bc, byte *outbuf, const byte *inbuf )
{
u32 d1, d2;
@@ -433,15 +425,16 @@ do_encrypt_block ( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
}
static void
-encrypt_block ( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
+encrypt_block (void *context, byte *outbuf, const byte *inbuf)
{
- do_encrypt_block (bc, outbuf, inbuf);
- _gcry_burn_stack (64);
+ BLOWFISH_context *bc = (BLOWFISH_context *) context;
+ do_encrypt_block (bc, outbuf, inbuf);
+ _gcry_burn_stack (64);
}
static void
-do_decrypt_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
+do_decrypt_block (BLOWFISH_context *bc, byte *outbuf, const byte *inbuf)
{
u32 d1, d2;
@@ -459,10 +452,11 @@ do_decrypt_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
}
static void
-decrypt_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
+decrypt_block (void *context, byte *outbuf, const byte *inbuf)
{
- do_decrypt_block (bc, outbuf, inbuf);
- _gcry_burn_stack (64);
+ BLOWFISH_context *bc = (BLOWFISH_context *) context;
+ do_decrypt_block (bc, outbuf, inbuf);
+ _gcry_burn_stack (64);
}
@@ -476,19 +470,19 @@ selftest(void)
byte key3[] = { 0x41, 0x79, 0x6E, 0xA0, 0x52, 0x61, 0x6E, 0xE4 };
byte cipher3[] = { 0xE1, 0x13, 0xF4, 0x10, 0x2C, 0xFC, 0xCE, 0x43 };
- bf_setkey( &c, "abcdefghijklmnopqrstuvwxyz", 26 );
- encrypt_block( &c, buffer, plain );
+ bf_setkey( (void *) &c, "abcdefghijklmnopqrstuvwxyz", 26 );
+ encrypt_block( (void *) &c, buffer, plain );
if( memcmp( buffer, "\x32\x4E\xD0\xFE\xF4\x13\xA2\x03", 8 ) )
return "Blowfish selftest failed (1).";
- decrypt_block( &c, buffer, buffer );
+ decrypt_block( (void *) &c, buffer, buffer );
if( memcmp( buffer, plain, 8 ) )
return "Blowfish selftest failed (2).";
- bf_setkey( &c, key3, 8 );
- encrypt_block( &c, buffer, plain3 );
+ bf_setkey( (void *) &c, key3, 8 );
+ encrypt_block( (void *) &c, buffer, plain3 );
if( memcmp( buffer, cipher3, 8 ) )
return "Blowfish selftest failed (3).";
- decrypt_block( &c, buffer, buffer );
+ decrypt_block( (void *) &c, buffer, buffer );
if( memcmp( buffer, plain3, 8 ) )
return "Blowfish selftest failed (4).";
return NULL;
@@ -497,7 +491,7 @@ selftest(void)
static int
-do_bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
+do_bf_setkey (BLOWFISH_context *c, const byte *key, unsigned keylen)
{
int i, j;
u32 data, datal, datar;
@@ -581,40 +575,19 @@ do_bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
static int
-bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
+bf_setkey (void *context, const byte *key, unsigned keylen)
{
- int rc = do_bf_setkey (c, key, keylen);
- _gcry_burn_stack (64);
- return rc;
+ BLOWFISH_context *c = (BLOWFISH_context *) context;
+ int rc = do_bf_setkey (c, key, keylen);
+ _gcry_burn_stack (64);
+ return rc;
}
+
-/****************
- * Return some information about the algorithm. We need algo here to
- * distinguish different flavors of the algorithm.
- * Returns: A pointer to string describing the algorithm or NULL if
- * the ALGO is invalid.
- */
-const char *
-_gcry_blowfish_get_info( int algo, size_t *keylen,
- size_t *blocksize, size_t *contextsize,
- 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 )
- )
-{
- *keylen = 128;
- *blocksize = BLOWFISH_BLOCKSIZE;
- *contextsize = sizeof(BLOWFISH_context);
- *(int (**)(BLOWFISH_context*, byte*, unsigned))r_setkey
- = bf_setkey;
- *(void (**)(BLOWFISH_context*, byte*, byte*))r_encrypt
- = encrypt_block;
- *(void (**)(BLOWFISH_context*, byte*, byte*))r_decrypt
- = decrypt_block;
-
- if( algo == CIPHER_ALGO_BLOWFISH )
- return "BLOWFISH";
- return NULL;
-}
-
+GcryCipherSpec cipher_spec_blowfish =
+ {
+ "BLOWFISH", GCRY_CIPHER_BLOWFISH, BLOWFISH_BLOCKSIZE, 128,
+ sizeof (BLOWFISH_context),
+ bf_setkey, encrypt_block, decrypt_block,
+ };