diff options
author | Moritz Schulte <mo@g10code.com> | 2003-04-16 16:21:34 +0000 |
---|---|---|
committer | Moritz Schulte <mo@g10code.com> | 2003-04-16 16:21:34 +0000 |
commit | 62ee765f9df47ab2f37cfe00c019ffe81ded664a (patch) | |
tree | 05b8ceb9a842331db561e07b009158bc0e1efe5a /cipher/des.c | |
parent | 05a4715e94bd7d6c7d63c1dc307caa5a330a3b7e (diff) | |
download | libgcrypt-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/des.c')
-rw-r--r-- | cipher/des.c | 165 |
1 files changed, 60 insertions, 105 deletions
diff --git a/cipher/des.c b/cipher/des.c index 7ec86443..79de0e04 100644 --- a/cipher/des.c +++ b/cipher/des.c @@ -116,7 +116,7 @@ #include <string.h> /* memcpy, memcmp */ #include "types.h" /* for byte and u32 typedefs */ #include "g10lib.h" -#include "des.h" +#include "cipher.h" #if defined(__GNUC__) && defined(__GNU_LIBRARY__) #define working_memcmp memcmp @@ -135,27 +135,6 @@ working_memcmp( const char *a, const char *b, size_t n ) } #endif - -/* Some defines/checks to support standalone modules */ - -#ifndef GCRY_CIPHER_3DES -# define CIPHER_ALGO_3DES 2 -#elif GCRY_CIPHER_3DES != 2 -# error CIPHER_ALGO_3DES is defined to a wrong value. -#endif - -#ifndef GCRY_CIPHER_DES -# define CIPHER_ALGO_DES 302 -#elif GCRY_CIPHER_DES != 302 -# error CIPHER_ALGO_DES is defined to a wrong value. -#endif - - -/* Macros used by the info function. */ -#define FNCCAST_SETKEY(f) ((int(*)(void*, byte*, unsigned))(f)) -#define FNCCAST_CRYPT(f) ((void(*)(void*, byte*, byte*))(f)) - - /* * Encryption/Decryption context of DES */ @@ -176,8 +155,6 @@ typedef struct _tripledes_ctx } tripledes_ctx[1]; -static const char *selftest_failed; - static void des_key_schedule (const byte *, u32 *); static int des_setkey (struct _des_ctx *, const byte *); static int des_ecb_crypt (struct _des_ctx *, const byte *, byte *, int); @@ -187,7 +164,7 @@ static int tripledes_ecb_crypt (struct _tripledes_ctx *, const byte *, byte *, i static int is_weak_key ( const byte *key ); static const char *selftest (void); - +static int initialized; @@ -594,8 +571,10 @@ des_setkey (struct _des_ctx *ctx, const byte * key) { int i; +#ifdef FIXME if( selftest_failed ) return GCRYERR_SELFTEST; +#endif des_key_schedule (key, ctx->encrypt_subkeys); _gcry_burn_stack (32); @@ -994,10 +973,15 @@ selftest (void) static int -do_tripledes_setkey ( struct _tripledes_ctx *ctx, byte *key, unsigned keylen ) +do_tripledes_setkey ( void *context, const byte *key, unsigned keylen ) { + struct _tripledes_ctx *ctx = (struct _tripledes_ctx *) context; + +#ifdef FIXME if( selftest_failed ) return GCRYERR_SELFTEST; +#endif + if( keylen != 24 ) return GCRYERR_INV_KEYLEN; @@ -1014,108 +998,79 @@ do_tripledes_setkey ( struct _tripledes_ctx *ctx, byte *key, unsigned keylen ) static void -do_tripledes_encrypt( struct _tripledes_ctx *ctx, byte *outbuf, byte *inbuf ) +do_tripledes_encrypt( void *context, byte *outbuf, const byte *inbuf ) { - tripledes_ecb_encrypt ( ctx, inbuf, outbuf ); - _gcry_burn_stack (32); + struct _tripledes_ctx *ctx = (struct _tripledes_ctx *) context; + + tripledes_ecb_encrypt ( ctx, inbuf, outbuf ); + _gcry_burn_stack (32); } static void -do_tripledes_decrypt( struct _tripledes_ctx *ctx, byte *outbuf, byte *inbuf ) +do_tripledes_decrypt( void *context, byte *outbuf, const byte *inbuf ) { - tripledes_ecb_decrypt ( ctx, inbuf, outbuf ); - _gcry_burn_stack (32); + struct _tripledes_ctx *ctx = (struct _tripledes_ctx *) context; + tripledes_ecb_decrypt ( ctx, inbuf, outbuf ); + _gcry_burn_stack (32); } - - - static int -do_des_setkey ( struct _des_ctx *ctx, byte *key, unsigned keylen ) +do_des_setkey (void *context, const byte *key, unsigned keylen) { - if( selftest_failed ) + struct _des_ctx *ctx = (struct _des_ctx *) context; + static const char *selftest_failed; + + if (! initialized) + { + initialized = 1; + selftest_failed = selftest (); + if (selftest_failed) + log_error ("%s\n", selftest_failed); + if (selftest_failed) return GCRYERR_SELFTEST; - if( keylen != 8 ) - return GCRYERR_INV_KEYLEN; + } - des_setkey (ctx, key); + if (keylen != 8) + return GCRYERR_INV_KEYLEN; - if( is_weak_key( key ) ) { - _gcry_burn_stack (64); - return GCRYERR_WEAK_KEY; - } + des_setkey (ctx, key); + + if (is_weak_key (key)) { _gcry_burn_stack (64); + return GCRYERR_WEAK_KEY; + } + _gcry_burn_stack (64); - return 0; + return 0; } static void -do_des_encrypt( struct _des_ctx *ctx, byte *outbuf, byte *inbuf ) +do_des_encrypt( void *context, byte *outbuf, const byte *inbuf ) { - des_ecb_encrypt ( ctx, inbuf, outbuf ); - _gcry_burn_stack (32); -} + struct _des_ctx *ctx = (struct _des_ctx *) context; -static void -do_des_decrypt( struct _des_ctx *ctx, byte *outbuf, byte *inbuf ) -{ - des_ecb_decrypt ( ctx, inbuf, outbuf ); - _gcry_burn_stack (32); + des_ecb_encrypt ( ctx, inbuf, outbuf ); + _gcry_burn_stack (32); } - -/**************** - * 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_des_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 ) - ) +static void +do_des_decrypt( void *context, byte *outbuf, const byte *inbuf ) { - static int did_selftest = 0; - - if( !did_selftest ) { - const char *s = selftest(); - did_selftest = 1; - if( s ) { - log_error ("%s\n", s ); - selftest_failed = s; - return NULL; - } - } - + struct _des_ctx *ctx = (struct _des_ctx *) context; - if( algo == GCRY_CIPHER_3DES ) { - *keylen = 192; - *blocksize = 8; - *contextsize = sizeof(struct _tripledes_ctx); - *(int (**)(struct _tripledes_ctx*, byte*, unsigned))r_setkey - = do_tripledes_setkey; - *(void (**)(struct _tripledes_ctx*, byte*, byte*))r_encrypt - = do_tripledes_encrypt; - *(void (**)(struct _tripledes_ctx*, byte*, byte*))r_decrypt - = do_tripledes_decrypt; - return "3DES"; - } - else if( algo == GCRY_CIPHER_DES ) { - *keylen = 64; - *blocksize = 8; - *contextsize = sizeof(struct _des_ctx); - *(int (**)(struct _des_ctx*, byte*, unsigned))r_setkey - = do_des_setkey; - *(void (**)(struct _des_ctx*, byte*, byte*))r_encrypt - = do_des_encrypt; - *(void (**)(struct _des_ctx*, byte*, byte*))r_decrypt - = do_des_decrypt; - return "DES"; - } - return NULL; + des_ecb_decrypt ( ctx, inbuf, outbuf ); + _gcry_burn_stack (32); } +GcryCipherSpec cipher_spec_des = + { + "DES", GCRY_CIPHER_DES, 8, 64, sizeof (struct _des_ctx), + do_des_setkey, do_des_encrypt, do_des_decrypt + }; + +GcryCipherSpec cipher_spec_tripledes = + { + "3DES", GCRY_CIPHER_3DES, 8, 192, sizeof (struct _tripledes_ctx), + do_tripledes_setkey, do_tripledes_encrypt, do_tripledes_decrypt + }; |