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This commit is contained in:
Zhi Guan
2015-10-11 11:56:45 +08:00
parent b4ad0da508
commit 3f21c9d3d0
33 changed files with 739 additions and 402 deletions
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160
crypto/ec/ec_pmeth.c
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@@ -65,6 +65,7 @@
#include <openssl/ecdsa.h>
#include <openssl/evp.h>
#include "evp_locl.h"
#include <openssl/sm2.h>
/* EC pkey context structure */
@@ -278,6 +279,14 @@ static int pkey_ec_kdf_derive(EVP_PKEY_CTX *ctx,
}
#endif
#ifndef OPENSSL_NO_ECIES
static int pkey_ec_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen);
static int pkey_ec_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen);
#endif
static int pkey_ec_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
EC_PKEY_CTX *dctx = ctx->data;
@@ -514,9 +523,19 @@ const EVP_PKEY_METHOD ec_pkey_meth = {
0, 0, 0, 0,
0, 0,
0,
#ifndef OPENSSL_NO_ECIES
pkey_ec_encrypt,
#else
0,
#endif
0, 0,
0,
#ifndef OPENSSL_NO_ECIES
pkey_ec_decrypt,
#else
0,
#endif
0,
#ifndef OPENSSL_NO_ECDH
@@ -528,3 +547,140 @@ const EVP_PKEY_METHOD ec_pkey_meth = {
pkey_ec_ctrl,
pkey_ec_ctrl_str
};
#ifndef OPENSSL_NO_ECIES
static int pkey_ec_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
return 0;
}
static int pkey_ec_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
return 0;
}
#endif
#ifndef OPENSSL_NO_SM2
static int pkey_sm2_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
const unsigned char *tbs, size_t tbslen)
{
int ret, type;
unsigned int sltmp;
EC_PKEY_CTX *dctx = ctx->data;
EC_KEY *ec = ctx->pkey->pkey.ec;
if (!sig) {
*siglen = ECDSA_size(ec);
return 1;
} else if (*siglen < (size_t)ECDSA_size(ec)) {
ECerr(EC_F_PKEY_EC_SIGN, EC_R_BUFFER_TOO_SMALL);
return 0;
}
if (dctx->md)
type = EVP_MD_type(dctx->md);
else
type = NID_sha1;
ret = ECDSA_sign(type, tbs, tbslen, sig, &sltmp, ec);
if (ret <= 0)
return ret;
*siglen = (size_t)sltmp;
return 1;
}
static int pkey_sm2_verify(EVP_PKEY_CTX *ctx,
const unsigned char *sig, size_t siglen,
const unsigned char *tbs, size_t tbslen)
{
int ret, type;
EC_PKEY_CTX *dctx = ctx->data;
EC_KEY *ec = ctx->pkey->pkey.ec;
if (dctx->md)
type = EVP_MD_type(dctx->md);
else
type = NID_sha1;
ret = ECDSA_verify(type, tbs, tbslen, sig, siglen, ec);
return ret;
}
static int pkey_sm2_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
int ret = 0;
EC_PKEY_CTX *ec_ctx = ctx->data;
EC_KEY *ec_key = ctx->pkey->pkey.ec;
const EVP_MD *kdf_md = ec_ctx->kdf_md;
const EVP_MD *mac_md = ec_ctx->md;
point_conversion_form_t point_form = SM2_DEFAULT_POINT_CONVERSION_FORM;
if (!(ret = SM2_encrypt(kdf_md, mac_md, point_form, out, outlen, in, inlen, ec_key))) {
return 0;
}
return ret;
}
static int pkey_sm2_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
int ret = 0;
EC_PKEY_CTX *ec_ctx = ctx->data;
EC_KEY *ec_key = ctx->pkey->pkey.ec;
const EVP_MD *kdf_md = ec_ctx->kdf_md;
const EVP_MD *mac_md = ec_ctx->md;
point_conversion_form_t point_form = SM2_DEFAULT_POINT_CONVERSION_FORM;
if (!(ret = SM2_decrypt(kdf_md, mac_md, point_form, in, inlen, out, outlen, ec_key))) {
return 0;
}
return ret;
}
const EVP_PKEY_METHOD sm2_pkey_meth = {
EVP_PKEY_EC,
0,
pkey_ec_init,
pkey_ec_copy,
pkey_ec_cleanup,
0,
pkey_ec_paramgen,
0,
pkey_ec_keygen,
0,
pkey_sm2_sign,
0,
pkey_sm2_verify,
0, 0,
0, 0, 0, 0,
0,
pkey_sm2_encrypt,
0,
pkey_sm2_decrypt,
0,
#ifndef OPENSSL_NO_ECDH
pkey_ec_kdf_derive,
#else
0,
#endif
pkey_ec_ctrl,
pkey_ec_ctrl_str
};
#endif