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

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📄 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_sm4.c

/*
 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
 * Copyright 2017 Ribose Inc. All Rights Reserved.
 * Ported from Ribose contributions from Botan.
 *
 * 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 "internal/cryptlib.h"
#ifndef OPENSSL_NO_SM4
# include <openssl/evp.h>
# include <openssl/modes.h>
# include "crypto/sm4.h"
# include "crypto/evp.h"

typedef struct {
    SM4_KEY ks;
} EVP_SM4_KEY;

static int sm4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                        const unsigned char *iv, int enc)
{
    SM4_set_key(key, EVP_CIPHER_CTX_get_cipher_data(ctx));
    return 1;
}

static void sm4_cbc_encrypt(const unsigned char *in, unsigned char *out,
                            size_t len, const SM4_KEY *key,
                            unsigned char *ivec, const int enc)
{
    if (enc)
        CRYPTO_cbc128_encrypt(in, out, len, key, ivec,
                              (block128_f)SM4_encrypt);
    else
        CRYPTO_cbc128_decrypt(in, out, len, key, ivec,
                              (block128_f)SM4_decrypt);
}

static void sm4_cfb128_encrypt(const unsigned char *in, unsigned char *out,
                               size_t length, const SM4_KEY *key,
                               unsigned char *ivec, int *num, const int enc)
{
    CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
                          (block128_f)SM4_encrypt);
}

static void sm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
                            const SM4_KEY *key, const int enc)
{
    if (enc)
        SM4_encrypt(in, out, key);
    else
        SM4_decrypt(in, out, key);
}

static void sm4_ofb128_encrypt(const unsigned char *in, unsigned char *out,
                               size_t length, const SM4_KEY *key,
                               unsigned char *ivec, int *num)
{
    CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num,
                          (block128_f)SM4_encrypt);
}

IMPLEMENT_BLOCK_CIPHER(sm4, ks, sm4, EVP_SM4_KEY, NID_sm4,
                       16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
                       sm4_init_key, 0, 0, 0, 0)

static int sm4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
                          const unsigned char *in, size_t len)
{
    unsigned int num = EVP_CIPHER_CTX_num(ctx);
    EVP_SM4_KEY *dat = EVP_C_DATA(EVP_SM4_KEY, ctx);

CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
                          EVP_CIPHER_CTX_iv_noconst(ctx),
                          EVP_CIPHER_CTX_buf_noconst(ctx), &num,
                          (block128_f)SM4_encrypt);
    EVP_CIPHER_CTX_set_num(ctx, num);
    return 1;
}

static const EVP_CIPHER sm4_ctr_mode = {
    NID_sm4_ctr, 1, 16, 16,
    EVP_CIPH_CTR_MODE,
    sm4_init_key,
    sm4_ctr_cipher,
    NULL,
    sizeof(EVP_SM4_KEY),
    NULL, NULL, NULL, NULL
};

const EVP_CIPHER *EVP_sm4_ctr(void)
{
    return &sm4_ctr_mode;
}

#endif

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Editing: e_sm4.c

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