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usr / src / crypto / openssl / crypto / evp /

📁 ..
📄 bio_b64.c(15.83 KB)
📄 bio_enc.c(11.28 KB)
📄 bio_md.c(4.96 KB)
📄 bio_ok.c(15.88 KB)
📄 build.info(1.04 KB)
📄 c_allc.c(9.3 KB)
📄 c_alld.c(1.78 KB)
📄 cmeth_lib.c(4.56 KB)
📄 digest.c(8.79 KB)
📄 e_aes.c(142.86 KB)
📄 e_aes_cbc_hmac_sha1.c(31.25 KB)
📄 e_aes_cbc_hmac_sha256.c(31.07 KB)
📄 e_aria.c(25.76 KB)
📄 e_bf.c(1.16 KB)
📄 e_camellia.c(13.64 KB)
📄 e_cast.c(1.22 KB)
📄 e_chacha20_poly1305.c(20.61 KB)
📄 e_des.c(8.13 KB)
📄 e_des3.c(14.19 KB)
📄 e_idea.c(2.11 KB)
📄 e_null.c(1.26 KB)
📄 e_old.c(2.39 KB)
📄 e_rc2.c(4.99 KB)
📄 e_rc4.c(1.86 KB)
📄 e_rc4_hmac_md5.c(7.7 KB)
📄 e_rc5.c(2.21 KB)
📄 e_seed.c(1.13 KB)
📄 e_sm4.c(3.07 KB)
📄 e_xcbc_d.c(2.38 KB)
📄 encode.c(13.63 KB)
📄 evp_cnf.c(1.65 KB)
📄 evp_enc.c(20.93 KB)
📄 evp_err.c(15.14 KB)
📄 evp_key.c(4.08 KB)
📄 evp_lib.c(11.76 KB)
📄 evp_local.h(2.58 KB)
📄 evp_pbe.c(7.52 KB)
📄 evp_pkey.c(4 KB)
📄 m_md2.c(1.14 KB)
📄 m_md4.c(1.14 KB)
📄 m_md5.c(1.14 KB)
📄 m_md5_sha1.c(3.2 KB)
📄 m_mdc2.c(1.15 KB)
📄 m_null.c(918 B)
📄 m_ripemd.c(1.21 KB)
📄 m_sha1.c(5.95 KB)
📄 m_sha3.c(13.38 KB)
📄 m_sigver.c(7 KB)
📄 m_wp.c(1.17 KB)
📄 names.c(4.74 KB)
📄 p5_crpt.c(3.13 KB)
📄 p5_crpt2.c(7.81 KB)
📄 p_dec.c(980 B)
📄 p_enc.c(984 B)
📄 p_lib.c(16.59 KB)
📄 p_open.c(1.77 KB)
📄 p_seal.c(1.73 KB)
📄 p_sign.c(1.7 KB)
📄 p_verify.c(1.59 KB)
📄 pbe_scrypt.c(7.38 KB)
📄 pmeth_fn.c(9.59 KB)
📄 pmeth_gn.c(6.01 KB)
📄 pmeth_lib.c(27.12 KB)

Editing: e_xcbc_d.c

/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include "internal/cryptlib.h"

#ifndef OPENSSL_NO_DES

# include <openssl/evp.h>
# include <openssl/objects.h>
# include "crypto/evp.h"
# include <openssl/des.h>

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, size_t inl);

typedef struct {
    DES_key_schedule ks;        /* key schedule */
    DES_cblock inw;
    DES_cblock outw;
} DESX_CBC_KEY;

# define data(ctx) EVP_C_DATA(DESX_CBC_KEY,ctx)

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(DESX_CBC_KEY),
    EVP_CIPHER_set_asn1_iv,
    EVP_CIPHER_get_asn1_iv,
    NULL,
    NULL
};

const EVP_CIPHER *EVP_desx_cbc(void)
{
    return &d_xcbc_cipher;
}

static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                             const unsigned char *iv, int enc)
{
    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 int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
                           const unsigned char *in, size_t inl)
{
    while (inl >= EVP_MAXCHUNK) {
        DES_xcbc_encrypt(in, out, (long)EVP_MAXCHUNK, &data(ctx)->ks,
                         (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
                         &data(ctx)->inw, &data(ctx)->outw,
                         EVP_CIPHER_CTX_encrypting(ctx));
        inl -= EVP_MAXCHUNK;
        in += EVP_MAXCHUNK;
        out += EVP_MAXCHUNK;
    }
    if (inl)
        DES_xcbc_encrypt(in, out, (long)inl, &data(ctx)->ks,
                         (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
                         &data(ctx)->inw, &data(ctx)->outw,
                         EVP_CIPHER_CTX_encrypting(ctx));
    return 1;
}
#endif

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Editing: e_xcbc_d.c

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