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some update

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This commit is contained in:
Zhi Guan
2016-04-25 20:53:02 +02:00
parent da6bb109b4
commit d8072491bc
48 changed files with 1443 additions and 128 deletions
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63
crypto/evp/e_sms4.c
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@@ -178,7 +178,7 @@ static int sms4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
EVP_SMS4_KEY *sms4 = (EVP_SMS4_KEY *)ctx->cipher_data;
CRYPTO_ctr128_encrypt_ctr32(in, out, len, &sms4->ks, ctx->iv, ctx->buf,
&num, sms4_ctr128_encrypt);
&num, (ctr128_f)sms4_encrypt);
ctx->num = (size_t)num;
return 1;
@@ -240,6 +240,7 @@ static int sms4_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
}
#endif
typedef struct {
union {
@@ -253,28 +254,81 @@ typedef struct {
static int sms4_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_SMS4_WRAP_CTX *sms4_wrap = ctx->cipher_data;
if (!iv && !key)
return 1;
if (key) {
if (ctx->encrypt) {
sms4_set_encrypt_key(&sms4_wrap->ks.ks, key);
} else {
sms4_set_decrypt_key(&sms4_wrap->ks.ks, key);
}
if (!iv) {
sms4_wrap->iv = NULL;
}
}
if (iv) {
memcpy(ctx->iv, iv, 8);
sms4_wrap->iv = ctx->iv;
}
return -1;
}
static int sms4_wrap_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inlen)
{
return -1;
EVP_SMS4_WRAP_CTX *sms4_wrap = ctx->cipher_data;
size_t rv;
if (!in) {
return 0;
}
if (inlen % 8) {
return -1;
}
if (ctx->encrypt && inlen < 8)
return -1;
if (!ctx->encrypt && inlen < 8)
return -1;
if (!out) {
if (ctx->encrypt)
return inlen + 8;
else return inlen - 8;
}
if (ctx->encrypt)
rv = CRYPTO_128_wrap(&sms4_wrap->ks.ks, sms4_wrap->iv,
out, in, inlen, (block128_f)sms4_encrypt);
else rv = CRYPTO_128_unwrap(&sms4_wrap->ks.ks, sms4_wrap->iv,
out, in, inlen, (block128_f)sms4_encrypt);
return rv ? (int)rv : -1;
}
#define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
#define SMS4_WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
| EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
| EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
#define SMS4_WRAP_BLOCK_SIZE 8
#define SMS4_WRAP_IV_LENGTH 8
const EVP_CIPHER sms4_wrap = {
NID_sms4_wrap,
SMS4_WRAP_BLOCK_SIZE,
SMS4_KEY_LENGTH,
SMS4_WRAP_IV_LENGTH,
WRAP_FLAGS,
SMS4_WRAP_FLAGS,
sms4_wrap_init_key,
sms4_wrap_do_cipher,
NULL, /* cleanup() */
@@ -290,6 +344,5 @@ const EVP_CIPHER *EVP_sms4_wrap(void)
return &sms4_wrap;
}
#endif
#endif