X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fe_xcbc_d.c;h=cb82815a8260824aeea0bf2b7c50d067d27165b6;hp=b0bae80970afee9316d137fa61774ae1de96bff8;hb=0fc6b2c9e28fb573b670eb205e2ddda74387b5aa;hpb=4e31df2cd73dbb659fd8a6eca6270fac661c072d diff --git a/crypto/evp/e_xcbc_d.c b/crypto/evp/e_xcbc_d.c index b0bae80970..cb82815a82 100644 --- a/crypto/evp/e_xcbc_d.c +++ b/crypto/evp/e_xcbc_d.c @@ -58,63 +58,67 @@ #include #include "cryptlib.h" -#include "evp.h" -#include "objects.h" -#ifndef NOPROTO -static void desx_cbc_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, - unsigned char *iv,int enc); -static void desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - unsigned char *in, unsigned int inl); -#else -static void desx_cbc_init_key(); -static void desx_cbc_cipher(); -#endif +#ifndef OPENSSL_NO_DES + +#include +#include +#include + +static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv,int enc); +static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, unsigned int inl); + + +typedef struct + { + DES_key_schedule ks;/* key schedule */ + DES_cblock inw; + DES_cblock outw; + } DESX_CBC_KEY; -static EVP_CIPHER d_xcbc_cipher= +#define data(ctx) ((DESX_CBC_KEY *)(ctx)->cipher_data) + +static const EVP_CIPHER d_xcbc_cipher= { NID_desx_cbc, 8,24,8, + EVP_CIPH_CBC_MODE, desx_cbc_init_key, desx_cbc_cipher, NULL, - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.desx_cbc)), + sizeof(DESX_CBC_KEY), EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, + NULL }; -EVP_CIPHER *EVP_desx_cbc() +const EVP_CIPHER *EVP_desx_cbc(void) { return(&d_xcbc_cipher); } -static void desx_cbc_init_key(ctx,key,iv,enc) -EVP_CIPHER_CTX *ctx; -unsigned char *key; -unsigned char *iv; -int enc; +static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) { - if (iv != NULL) - memcpy(&(ctx->oiv[0]),iv,8); - memcpy(&(ctx->iv[0]),&(ctx->oiv[0]),8); - if (key != NULL) - { - des_set_key(key,ctx->c.desx_cbc.ks); - memcpy(&(ctx->c.desx_cbc.inw[0]),&(key[8]),8); - memcpy(&(ctx->c.desx_cbc.outw[0]),&(key[16]),8); - } + DES_cblock *deskey = (DES_cblock *)key; + + DES_set_key_unchecked(deskey,&data(ctx)->ks); + memcpy(&data(ctx)->inw[0],&key[8],8); + memcpy(&data(ctx)->outw[0],&key[16],8); + + return 1; } -static void desx_cbc_cipher(ctx,out,in,inl) -EVP_CIPHER_CTX *ctx; -unsigned char *out; -unsigned char *in; -unsigned int inl; +static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, unsigned int inl) { - des_xcbc_encrypt(in,out,inl,ctx->c.desx_cbc.ks, - &(ctx->iv[0]), - &(ctx->c.desx_cbc.inw[0]), - &(ctx->c.desx_cbc.outw[0]), - ctx->encrypt); + DES_xcbc_encrypt(in,out,inl,&data(ctx)->ks, + (DES_cblock *)&(ctx->iv[0]), + &data(ctx)->inw, + &data(ctx)->outw, + ctx->encrypt); + return 1; } +#endif