diff options
Diffstat (limited to 'openssl/crypto/evp/e_idea.c')
| -rw-r--r-- | openssl/crypto/evp/e_idea.c | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/openssl/crypto/evp/e_idea.c b/openssl/crypto/evp/e_idea.c index 806b08036..cac72b33b 100644 --- a/openssl/crypto/evp/e_idea.c +++ b/openssl/crypto/evp/e_idea.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -60,59 +60,60 @@ #include "cryptlib.h" #ifndef OPENSSL_NO_IDEA -#include <openssl/evp.h> -#include <openssl/objects.h> -#include "evp_locl.h" -#include <openssl/idea.h> +# include <openssl/evp.h> +# include <openssl/objects.h> +# include "evp_locl.h" +# include <openssl/idea.h> static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv,int enc); + const unsigned char *iv, int enc); -/* NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a special - * case +/* + * NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a + * special case */ static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) + const unsigned char *in, size_t inl) { - BLOCK_CIPHER_ecb_loop() - idea_ecb_encrypt(in + i, out + i, ctx->cipher_data); - return 1; + BLOCK_CIPHER_ecb_loop() + idea_ecb_encrypt(in + i, out + i, ctx->cipher_data); + return 1; } /* Can't use IMPLEMENT_BLOCK_CIPHER because idea_ecb_encrypt is different */ -typedef struct - { - IDEA_KEY_SCHEDULE ks; - } EVP_IDEA_KEY; +typedef struct { + IDEA_KEY_SCHEDULE ks; +} EVP_IDEA_KEY; BLOCK_CIPHER_func_cbc(idea, idea, EVP_IDEA_KEY, ks) -BLOCK_CIPHER_func_ofb(idea, idea, 64, EVP_IDEA_KEY, ks) -BLOCK_CIPHER_func_cfb(idea, idea, 64, EVP_IDEA_KEY, ks) + BLOCK_CIPHER_func_ofb(idea, idea, 64, EVP_IDEA_KEY, ks) + BLOCK_CIPHER_func_cfb(idea, idea, 64, EVP_IDEA_KEY, ks) -BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64, - 0, idea_init_key, NULL, - EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) + BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64, + 0, idea_init_key, NULL, + EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) - { - if(!enc) { - if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) enc = 1; - else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE) enc = 1; - } - if (enc) idea_set_encrypt_key(key,ctx->cipher_data); - else - { - IDEA_KEY_SCHEDULE tmp; + const unsigned char *iv, int enc) +{ + if (!enc) { + if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) + enc = 1; + else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE) + enc = 1; + } + if (enc) + idea_set_encrypt_key(key, ctx->cipher_data); + else { + IDEA_KEY_SCHEDULE tmp; - idea_set_encrypt_key(key,&tmp); - idea_set_decrypt_key(&tmp,ctx->cipher_data); - OPENSSL_cleanse((unsigned char *)&tmp, - sizeof(IDEA_KEY_SCHEDULE)); - } - return 1; - } + idea_set_encrypt_key(key, &tmp); + idea_set_decrypt_key(&tmp, ctx->cipher_data); + OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE)); + } + return 1; +} #endif |