md_type = NID_sm3;
if (out == NULL) {
- *outlen = SM2_ciphertext_size(ec, EVP_get_digestbynid(md_type),
- inlen);
- ret = 1;
+ if (!SM2_ciphertext_size(ec, EVP_get_digestbynid(md_type), inlen,
+ outlen))
+ ret = -1;
+ else
+ ret = 1;
}
else {
ret = SM2_encrypt(ec, EVP_get_digestbynid(md_type),
md_type = NID_sm3;
if (out == NULL) {
- *outlen = SM2_plaintext_size(ec, EVP_get_digestbynid(md_type),
- inlen);
- ret = 1;
+ if (!SM2_plaintext_size(ec, EVP_get_digestbynid(md_type), inlen,
+ outlen))
+ ret = -1;
+ else
+ ret = 1;
}
else {
ret = SM2_decrypt(ec, EVP_get_digestbynid(md_type),
/*
* SM2 encryption
*/
-size_t SM2_ciphertext_size(const EC_KEY *key,
- const EVP_MD *digest,
- size_t msg_len);
+int SM2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
+ size_t *ct_size);
-size_t SM2_plaintext_size(const EC_KEY *key,
- const EVP_MD *digest,
- size_t msg_len);
+int SM2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
+ size_t *pt_size);
int SM2_encrypt(const EC_KEY *key,
const EVP_MD *digest,
const uint8_t *ciphertext,
size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len);
-int ERR_load_SM2_strings(void);
-
# ifdef __cplusplus
}
# endif
return field_size;
}
-size_t SM2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len)
+int SM2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
+ size_t *pt_size)
{
const size_t field_size = EC_field_size(EC_KEY_get0_group(key));
- const size_t md_size = EVP_MD_size(digest);
+ const int md_size = EVP_MD_size(digest);
+ size_t overhead;
- const size_t overhead = 10 + 2 * field_size + md_size;
- if(msg_len <= overhead)
- return 0;
+ if (md_size < 0) {
+ SM2err(SM2_F_SM2_ENCRYPT, SM2_R_INVALID_DIGEST);
+ return 0;
+ }
+ if (field_size == 0) {
+ SM2err(SM2_F_SM2_ENCRYPT, SM2_R_INVALID_FIELD);
+ return 0;
+ }
+
+ overhead = 10 + 2 * field_size + (size_t)md_size;
+ if(msg_len <= overhead) {
+ SM2err(SM2_F_SM2_ENCRYPT, SM2_R_INVALID_ENCODING);
+ return 0;
+ }
- return msg_len - overhead;
+ *pt_size = msg_len - overhead;
+ return 1;
}
-size_t SM2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len)
+int SM2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
+ size_t *ct_size)
{
const size_t field_size = EC_field_size(EC_KEY_get0_group(key));
- const size_t md_size = EVP_MD_size(digest);
- return 10 + 2 * field_size + md_size + msg_len;
+ const int md_size = EVP_MD_size(digest);
+
+ if (field_size == 0 || md_size < 0)
+ return 0;
+
+ *ct_size = 10 + 2 * field_size + (size_t)md_size + msg_len;
+ return 1;
}
int SM2_encrypt(const EC_KEY *key,
PROGRAMS_NO_INST=siphash_internal_test
ENDIF
IF[{- !$disabled{sm2} -}]
- PROGRAMS_NO_INST=sm2_crypt_internal_test sm2_sign_internal_test
+ PROGRAMS_NO_INST=sm2_internal_test
ENDIF
IF[{- !$disabled{sm4} -}]
PROGRAMS_NO_INST=sm4_internal_test
INCLUDE[siphash_internal_test]=.. ../include ../crypto/include
DEPEND[siphash_internal_test]=../libcrypto.a libtestutil.a
- SOURCE[sm2_sign_internal_test]=sm2_sign_internal_test.c
- INCLUDE[sm2_sign_internal_test]=../include ../crypto/include
- DEPEND[sm2_sign_internal_test]=../libcrypto.a libtestutil.a
-
- SOURCE[sm2_crypt_internal_test]=sm2_crypt_internal_test.c
- INCLUDE[sm2_crypt_internal_test]=../include ../crypto/include
- DEPEND[sm2_crypt_internal_test]=../libcrypto.a libtestutil.a
+ SOURCE[sm2_internal_test]=sm2_internal_test.c
+ INCLUDE[sm2_internal_test]=../include ../crypto/include
+ DEPEND[sm2_internal_test]=../libcrypto.a libtestutil.a
SOURCE[sm4_internal_test]=sm4_internal_test.c
INCLUDE[sm4_internal_test]=.. ../include ../crypto/include
use OpenSSL::Test::Simple;
use OpenSSL::Test::Utils;
-setup("test_sm2_sign_internal");
+setup("test_internal_sm2");
plan skip_all => "This test is unsupported in a shared library build on Windows"
if $^O eq 'MSWin32' && !disabled("shared");
-simple_test("test_sm2_sign_internal", "sm2_sign_internal_test", "sm2");
+simple_test("test_internal_sm2", "sm2_internal_test", "sm2");
+++ /dev/null
-#! /usr/bin/env perl
-# Copyright 2017-2018 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
-
-use strict;
-use OpenSSL::Test; # get 'plan'
-use OpenSSL::Test::Simple;
-use OpenSSL::Test::Utils;
-
-setup("test_sm2_crypt_internal_sm2");
-
-plan skip_all => "This test is unsupported in a shared library build on Windows"
- if $^O eq 'MSWin32' && !disabled("shared");
-
-simple_test("test_sm2_crypt_internal_sm2", "sm2_crypt_internal_test", "sm2");
+++ /dev/null
-/*
- * Copyright 2017-2018 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 <stdlib.h>
-#include <string.h>
-
-#include <openssl/bio.h>
-#include <openssl/evp.h>
-#include <openssl/bn.h>
-#include <openssl/crypto.h>
-#include <openssl/err.h>
-#include <openssl/rand.h>
-#include "testutil.h"
-
-#ifndef OPENSSL_NO_SM2
-
-# include "internal/sm2.h"
-
-static RAND_METHOD fake_rand;
-static const RAND_METHOD *saved_rand;
-
-static uint8_t *fake_rand_bytes = NULL;
-static size_t fake_rand_bytes_offset = 0;
-
-static int get_faked_bytes(unsigned char *buf, int num)
-{
- int i;
-
- if (fake_rand_bytes == NULL)
- return saved_rand->bytes(buf, num);
-
- for (i = 0; i != num; ++i)
- buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
- fake_rand_bytes_offset += num;
- return 1;
-}
-
-static int start_fake_rand(const char *hex_bytes)
-{
- /* save old rand method */
- if (!TEST_ptr(saved_rand = RAND_get_rand_method()))
- return 0;
-
- fake_rand = *saved_rand;
- /* use own random function */
- fake_rand.bytes = get_faked_bytes;
-
- fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL);
- fake_rand_bytes_offset = 0;
-
- /* set new RAND_METHOD */
- if (!TEST_true(RAND_set_rand_method(&fake_rand)))
- return 0;
- return 1;
-}
-
-static int restore_rand(void)
-{
- OPENSSL_free(fake_rand_bytes);
- fake_rand_bytes = NULL;
- fake_rand_bytes_offset = 0;
- if (!TEST_true(RAND_set_rand_method(saved_rand)))
- return 0;
- return 1;
-}
-
-static EC_GROUP *create_EC_group(const char *p_hex, const char *a_hex,
- const char *b_hex, const char *x_hex,
- const char *y_hex, const char *order_hex,
- const char *cof_hex)
-{
- BIGNUM *p = NULL;
- BIGNUM *a = NULL;
- BIGNUM *b = NULL;
- BIGNUM *g_x = NULL;
- BIGNUM *g_y = NULL;
- BIGNUM *order = NULL;
- BIGNUM *cof = NULL;
- EC_POINT *generator = NULL;
- EC_GROUP *group = NULL;
-
- BN_hex2bn(&p, p_hex);
- BN_hex2bn(&a, a_hex);
- BN_hex2bn(&b, b_hex);
-
- group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
- BN_free(p);
- BN_free(a);
- BN_free(b);
-
- if (group == NULL)
- return NULL;
-
- generator = EC_POINT_new(group);
- if (generator == NULL)
- return NULL;
-
- BN_hex2bn(&g_x, x_hex);
- BN_hex2bn(&g_y, y_hex);
-
- if (EC_POINT_set_affine_coordinates_GFp(group, generator, g_x, g_y, NULL) ==
- 0)
- return NULL;
-
- BN_free(g_x);
- BN_free(g_y);
-
- BN_hex2bn(&order, order_hex);
- BN_hex2bn(&cof, cof_hex);
-
- if (EC_GROUP_set_generator(group, generator, order, cof) == 0)
- return NULL;
-
- EC_POINT_free(generator);
- BN_free(order);
- BN_free(cof);
-
- return group;
-}
-
-static int test_sm2(const EC_GROUP *group,
- const EVP_MD *digest,
- const char *privkey_hex,
- const char *message,
- const char *k_hex, const char *ctext_hex)
-{
- const size_t msg_len = strlen(message);
-
- BIGNUM *priv = NULL;
- EC_KEY *key = NULL;
- EC_POINT *pt = NULL;
- unsigned char *expected = OPENSSL_hexstr2buf(ctext_hex, NULL);
-
- size_t ctext_len = 0;
- size_t ptext_len = 0;
- uint8_t *ctext = NULL;
- uint8_t *recovered = NULL;
- size_t recovered_len = msg_len;
-
- int rc = 0;
-
- BN_hex2bn(&priv, privkey_hex);
-
- key = EC_KEY_new();
- EC_KEY_set_group(key, group);
- EC_KEY_set_private_key(key, priv);
-
- pt = EC_POINT_new(group);
- EC_POINT_mul(group, pt, priv, NULL, NULL, NULL);
-
- EC_KEY_set_public_key(key, pt);
- BN_free(priv);
- EC_POINT_free(pt);
-
- ctext_len = SM2_ciphertext_size(key, digest, msg_len);
- ctext = OPENSSL_zalloc(ctext_len);
- if (ctext == NULL)
- goto done;
-
- start_fake_rand(k_hex);
- rc = SM2_encrypt(key, digest,
- (const uint8_t *)message, msg_len, ctext, &ctext_len);
- restore_rand();
-
- TEST_mem_eq(ctext, ctext_len, expected, ctext_len);
- if (rc == 0)
- goto done;
-
- ptext_len = SM2_plaintext_size(key, digest, ctext_len);
-
- TEST_int_eq(ptext_len, msg_len);
-
- recovered = OPENSSL_zalloc(ptext_len);
- if (recovered == NULL)
- goto done;
- rc = SM2_decrypt(key, digest, ctext, ctext_len, recovered, &recovered_len);
-
- TEST_int_eq(recovered_len, msg_len);
- TEST_mem_eq(recovered, recovered_len, message, msg_len);
- if (rc == 0)
- return 0;
-
- rc = 1;
- done:
-
- OPENSSL_free(ctext);
- OPENSSL_free(recovered);
- OPENSSL_free(expected);
- EC_KEY_free(key);
- return rc;
-}
-
-static int sm2_crypt_test(void)
-{
- int rc;
- EC_GROUP *test_group =
- create_EC_group
- ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
- "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
- "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
- "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
- "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
- "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
- "1");
-
- if (test_group == NULL)
- return 0;
-
- rc = test_sm2(test_group,
- EVP_sm3(),
- "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
- "encryption standard",
- "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F",
- "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF1"
- "7F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A2"
- "4B84400F01B804209C3D7360C30156FAB7C80A0276712DA9D8094A634B766D3A"
- "285E07480653426D0413650053A89B41C418B0C3AAD00D886C00286467");
-
- if (rc == 0)
- return 0;
-
- /* Same test as above except using SHA-256 instead of SM3 */
- rc = test_sm2(test_group,
- EVP_sha256(),
- "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
- "encryption standard",
- "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F",
- "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF17F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A24B84400F01B80420BE89139D07853100EFA763F60CBE30099EA3DF7F8F364F9D10A5E988E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33");
- if (rc == 0)
- return 0;
-
- EC_GROUP_free(test_group);
-
- return 1;
-}
-
-#endif
-
-int setup_tests(void)
-{
-#ifdef OPENSSL_NO_SM2
- TEST_note("SM2 is disabled.");
-#else
- ADD_TEST(sm2_crypt_test);
-#endif
- return 1;
-}
--- /dev/null
+/*
+ * Copyright 2017-2018 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 <stdlib.h>
+#include <string.h>
+
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <openssl/bn.h>
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include "testutil.h"
+
+#ifndef OPENSSL_NO_SM2
+
+# include "internal/sm2.h"
+
+static RAND_METHOD fake_rand;
+static const RAND_METHOD *saved_rand;
+
+static uint8_t *fake_rand_bytes = NULL;
+static size_t fake_rand_bytes_offset = 0;
+
+static int get_faked_bytes(unsigned char *buf, int num)
+{
+ int i;
+
+ if (fake_rand_bytes == NULL)
+ return saved_rand->bytes(buf, num);
+
+ for (i = 0; i != num; ++i)
+ buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
+ fake_rand_bytes_offset += num;
+ return 1;
+}
+
+static int start_fake_rand(const char *hex_bytes)
+{
+ /* save old rand method */
+ if (!TEST_ptr(saved_rand = RAND_get_rand_method()))
+ return 0;
+
+ fake_rand = *saved_rand;
+ /* use own random function */
+ fake_rand.bytes = get_faked_bytes;
+
+ fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL);
+ fake_rand_bytes_offset = 0;
+
+ /* set new RAND_METHOD */
+ if (!TEST_true(RAND_set_rand_method(&fake_rand)))
+ return 0;
+ return 1;
+}
+
+static int restore_rand(void)
+{
+ OPENSSL_free(fake_rand_bytes);
+ fake_rand_bytes = NULL;
+ fake_rand_bytes_offset = 0;
+ if (!TEST_true(RAND_set_rand_method(saved_rand)))
+ return 0;
+ return 1;
+}
+
+static EC_GROUP *create_EC_group(const char *p_hex, const char *a_hex,
+ const char *b_hex, const char *x_hex,
+ const char *y_hex, const char *order_hex,
+ const char *cof_hex)
+{
+ BIGNUM *p = NULL;
+ BIGNUM *a = NULL;
+ BIGNUM *b = NULL;
+ BIGNUM *g_x = NULL;
+ BIGNUM *g_y = NULL;
+ BIGNUM *order = NULL;
+ BIGNUM *cof = NULL;
+ EC_POINT *generator = NULL;
+ EC_GROUP *group = NULL;
+ int ok = 0;
+
+ if (!TEST_true(BN_hex2bn(&p, p_hex))
+ || !TEST_true(BN_hex2bn(&a, a_hex))
+ || !TEST_true(BN_hex2bn(&b, b_hex)))
+ goto done;
+
+ group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
+ if (!TEST_ptr(group))
+ goto done;
+
+ generator = EC_POINT_new(group);
+ if (!TEST_ptr(generator))
+ goto done;
+
+ if (!TEST_true(BN_hex2bn(&g_x, x_hex))
+ || !TEST_true(BN_hex2bn(&g_y, y_hex))
+ || !TEST_true(EC_POINT_set_affine_coordinates_GFp(group, generator,
+ g_x, g_y, NULL)))
+ goto done;
+
+ if (!TEST_true(BN_hex2bn(&order, order_hex))
+ || !TEST_true(BN_hex2bn(&cof, cof_hex))
+ || !TEST_true(EC_GROUP_set_generator(group, generator, order, cof)))
+ goto done;
+
+ ok = 1;
+done:
+ BN_free(p);
+ BN_free(a);
+ BN_free(b);
+ BN_free(g_x);
+ BN_free(g_y);
+ EC_POINT_free(generator);
+ BN_free(order);
+ BN_free(cof);
+ if (!ok) {
+ EC_GROUP_free(group);
+ group = NULL;
+ }
+
+ return group;
+}
+
+static int test_sm2_crypt(const EC_GROUP *group,
+ const EVP_MD *digest,
+ const char *privkey_hex,
+ const char *message,
+ const char *k_hex, const char *ctext_hex)
+{
+ const size_t msg_len = strlen(message);
+ BIGNUM *priv = NULL;
+ EC_KEY *key = NULL;
+ EC_POINT *pt = NULL;
+ unsigned char *expected = OPENSSL_hexstr2buf(ctext_hex, NULL);
+ size_t ctext_len = 0;
+ size_t ptext_len = 0;
+ uint8_t *ctext = NULL;
+ uint8_t *recovered = NULL;
+ size_t recovered_len = msg_len;
+ int rc = 0;
+
+ if (!TEST_ptr(expected)
+ || !TEST_true(BN_hex2bn(&priv, privkey_hex)))
+ goto done;
+
+ key = EC_KEY_new();
+ if (!TEST_ptr(key)
+ || !TEST_true(EC_KEY_set_group(key, group))
+ || !TEST_true(EC_KEY_set_private_key(key, priv)))
+ goto done;
+
+ pt = EC_POINT_new(group);
+ if (!TEST_ptr(pt)
+ || !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
+ || !TEST_true(EC_KEY_set_public_key(key, pt))
+ || !TEST_true(SM2_ciphertext_size(key, digest, msg_len, &ctext_len)))
+ goto done;
+
+ ctext = OPENSSL_zalloc(ctext_len);
+ if (!TEST_ptr(ctext))
+ goto done;
+
+ start_fake_rand(k_hex);
+ if (!TEST_true(SM2_encrypt(key, digest, (const uint8_t *)message, msg_len,
+ ctext, &ctext_len))) {
+ restore_rand();
+ goto done;
+ }
+ restore_rand();
+
+ if (!TEST_mem_eq(ctext, ctext_len, expected, ctext_len))
+ goto done;
+
+ if (!TEST_true(SM2_plaintext_size(key, digest, ctext_len, &ptext_len))
+ || !TEST_int_eq(ptext_len, msg_len))
+ goto done;
+
+ recovered = OPENSSL_zalloc(ptext_len);
+ if (!TEST_ptr(recovered)
+ || !TEST_true(SM2_decrypt(key, digest, ctext, ctext_len, recovered, &recovered_len))
+ || !TEST_int_eq(recovered_len, msg_len)
+ || !TEST_mem_eq(recovered, recovered_len, message, msg_len))
+ goto done;
+
+ rc = 1;
+ done:
+ BN_free(priv);
+ EC_POINT_free(pt);
+ OPENSSL_free(ctext);
+ OPENSSL_free(recovered);
+ OPENSSL_free(expected);
+ EC_KEY_free(key);
+ return rc;
+}
+
+static int sm2_crypt_test(void)
+{
+ int testresult = 1;
+ EC_GROUP *test_group =
+ create_EC_group
+ ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
+ "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
+ "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
+ "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
+ "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
+ "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
+ "1");
+
+ if (!TEST_ptr(test_group))
+ goto done;
+
+ if (!test_sm2_crypt(
+ test_group,
+ EVP_sm3(),
+ "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
+ "encryption standard",
+ "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F",
+ "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF1"
+ "7F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A2"
+ "4B84400F01B804209C3D7360C30156FAB7C80A0276712DA9D8094A634B766D3A"
+ "285E07480653426D0413650053A89B41C418B0C3AAD00D886C00286467"))
+ goto done;
+
+ /* Same test as above except using SHA-256 instead of SM3 */
+ if (!test_sm2_crypt(
+ test_group,
+ EVP_sha256(),
+ "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
+ "encryption standard",
+ "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F",
+ "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF17F"
+ "6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A24B84"
+ "400F01B80420BE89139D07853100EFA763F60CBE30099EA3DF7F8F364F9D10A5E9"
+ "88E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33"))
+ goto done;
+
+ testresult = 1;
+ done:
+ EC_GROUP_free(test_group);
+
+ return testresult;
+}
+
+static int test_sm2_sign(const EC_GROUP *group,
+ const char *userid,
+ const char *privkey_hex,
+ const char *message,
+ const char *k_hex,
+ const char *r_hex,
+ const char *s_hex)
+{
+ const size_t msg_len = strlen(message);
+ int ok = 0;
+ BIGNUM *priv = NULL;
+ EC_POINT *pt = NULL;
+ EC_KEY *key = NULL;
+ ECDSA_SIG *sig = NULL;
+ const BIGNUM *sig_r = NULL;
+ const BIGNUM *sig_s = NULL;
+ BIGNUM *r = NULL;
+ BIGNUM *s = NULL;
+
+ if (!TEST_true(BN_hex2bn(&priv, privkey_hex)))
+ goto done;
+
+ key = EC_KEY_new();
+ if (!TEST_ptr(key)
+ || !TEST_true(EC_KEY_set_group(key, group))
+ || !TEST_true(EC_KEY_set_private_key(key, priv)))
+ goto done;
+
+ pt = EC_POINT_new(group);
+ if (!TEST_ptr(pt)
+ || !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
+ || !TEST_true(EC_KEY_set_public_key(key, pt)))
+ goto done;
+
+ start_fake_rand(k_hex);
+ sig = SM2_do_sign(key, EVP_sm3(), userid, (const uint8_t *)message, msg_len);
+ restore_rand();
+
+ if (!TEST_ptr(sig))
+ goto done;
+
+ ECDSA_SIG_get0(sig, &sig_r, &sig_s);
+
+ if (!TEST_true(BN_hex2bn(&r, r_hex))
+ || !TEST_true(BN_hex2bn(&s, s_hex))
+ || !TEST_BN_eq(r, sig_r)
+ || !TEST_BN_eq(s, sig_s))
+ goto done;
+
+ ok = SM2_do_verify(key, EVP_sm3(), sig, userid, (const uint8_t *)message,
+ msg_len);
+
+ /* We goto done whether this passes or fails */
+ TEST_true(ok);
+
+ done:
+ ECDSA_SIG_free(sig);
+ EC_POINT_free(pt);
+ EC_KEY_free(key);
+ BN_free(priv);
+ BN_free(r);
+ BN_free(s);
+
+ return ok;
+}
+
+static int sm2_sig_test(void)
+{
+ int testresult = 0;
+ /* From draft-shen-sm2-ecdsa-02 */
+ EC_GROUP *test_group =
+ create_EC_group
+ ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
+ "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
+ "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
+ "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
+ "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
+ "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
+ "1");
+
+ if (!TEST_ptr(test_group))
+ goto done;
+
+ if (!TEST_true(test_sm2_sign(
+ test_group,
+ "ALICE123@YAHOO.COM",
+ "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
+ "message digest",
+ "006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F",
+ "40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
+ "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7")))
+ goto done;
+
+ testresult = 1;
+
+ done:
+ EC_GROUP_free(test_group);
+
+ return testresult;
+}
+
+#endif
+
+int setup_tests(void)
+{
+#ifdef OPENSSL_NO_SM2
+ TEST_note("SM2 is disabled.");
+#else
+ ADD_TEST(sm2_crypt_test);
+ ADD_TEST(sm2_sig_test);
+#endif
+ return 1;
+}
+++ /dev/null
-/*
- * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
- * Copyright 2017 Ribose Inc. 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 <stdlib.h>
-#include <string.h>
-
-#include <openssl/bio.h>
-#include <openssl/evp.h>
-#include <openssl/bn.h>
-#include <openssl/crypto.h>
-#include <openssl/err.h>
-#include <openssl/rand.h>
-#include "testutil.h"
-
-#ifndef OPENSSL_NO_SM2
-
-# include "internal/sm2.h"
-
-static RAND_METHOD fake_rand;
-static const RAND_METHOD *saved_rand;
-
-static uint8_t *fake_rand_bytes = NULL;
-static size_t fake_rand_bytes_offset = 0;
-
-static int get_faked_bytes(unsigned char *buf, int num)
-{
- int i;
-
- if (fake_rand_bytes == NULL)
- return saved_rand->bytes(buf, num);
-
- for (i = 0; i != num; ++i)
- buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
- fake_rand_bytes_offset += num;
- return 1;
-}
-
-static int start_fake_rand(const char *hex_bytes)
-{
- /* save old rand method */
- if (!TEST_ptr(saved_rand = RAND_get_rand_method()))
- return 0;
-
- fake_rand = *saved_rand;
- /* use own random function */
- fake_rand.bytes = get_faked_bytes;
-
- fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL);
- fake_rand_bytes_offset = 0;
-
- /* set new RAND_METHOD */
- if (!TEST_true(RAND_set_rand_method(&fake_rand)))
- return 0;
- return 1;
-}
-
-static int restore_rand(void)
-{
- OPENSSL_free(fake_rand_bytes);
- fake_rand_bytes = NULL;
- fake_rand_bytes_offset = 0;
- if (!TEST_true(RAND_set_rand_method(saved_rand)))
- return 0;
- return 1;
-}
-
-static EC_GROUP *create_EC_group(const char *p_hex, const char *a_hex,
- const char *b_hex, const char *x_hex,
- const char *y_hex, const char *order_hex,
- const char *cof_hex)
-{
- BIGNUM *p = NULL;
- BIGNUM *a = NULL;
- BIGNUM *b = NULL;
- BIGNUM *g_x = NULL;
- BIGNUM *g_y = NULL;
- BIGNUM *order = NULL;
- BIGNUM *cof = NULL;
- EC_POINT *generator = NULL;
- EC_GROUP *group = NULL;
-
- BN_hex2bn(&p, p_hex);
- BN_hex2bn(&a, a_hex);
- BN_hex2bn(&b, b_hex);
-
- group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
- BN_free(p);
- BN_free(a);
- BN_free(b);
-
- if (group == NULL)
- return NULL;
-
- generator = EC_POINT_new(group);
- if (generator == NULL)
- return NULL;
-
- BN_hex2bn(&g_x, x_hex);
- BN_hex2bn(&g_y, y_hex);
-
- if (EC_POINT_set_affine_coordinates_GFp(group, generator, g_x, g_y, NULL) ==
- 0)
- return NULL;
-
- BN_free(g_x);
- BN_free(g_y);
-
- BN_hex2bn(&order, order_hex);
- BN_hex2bn(&cof, cof_hex);
-
- if (EC_GROUP_set_generator(group, generator, order, cof) == 0)
- return NULL;
-
- EC_POINT_free(generator);
- BN_free(order);
- BN_free(cof);
-
- return group;
-}
-
-
-static int test_sm2(const EC_GROUP *group,
- const char *userid,
- const char *privkey_hex,
- const char *message,
- const char *k_hex, const char *r_hex, const char *s_hex)
-{
- const size_t msg_len = strlen(message);
- int ok = -1;
- BIGNUM *priv = NULL;
- EC_POINT *pt = NULL;
- EC_KEY *key = NULL;
- ECDSA_SIG *sig = NULL;
- const BIGNUM *sig_r = NULL;
- const BIGNUM *sig_s = NULL;
- BIGNUM *r = NULL;
- BIGNUM *s = NULL;
-
- BN_hex2bn(&priv, privkey_hex);
-
- key = EC_KEY_new();
- EC_KEY_set_group(key, group);
- EC_KEY_set_private_key(key, priv);
-
- pt = EC_POINT_new(group);
- EC_POINT_mul(group, pt, priv, NULL, NULL, NULL);
- EC_KEY_set_public_key(key, pt);
-
- start_fake_rand(k_hex);
- sig = SM2_do_sign(key, EVP_sm3(), userid, (const uint8_t *)message, msg_len);
- restore_rand();
-
- if (sig == NULL)
- return 0;
-
- ECDSA_SIG_get0(sig, &sig_r, &sig_s);
-
- BN_hex2bn(&r, r_hex);
- BN_hex2bn(&s, s_hex);
-
- if (BN_cmp(r, sig_r) != 0) {
- printf("Signature R mismatch: ");
- BN_print_fp(stdout, r);
- printf(" != ");
- BN_print_fp(stdout, sig_r);
- printf("\n");
- ok = 0;
- }
- if (BN_cmp(s, sig_s) != 0) {
- printf("Signature S mismatch: ");
- BN_print_fp(stdout, s);
- printf(" != ");
- BN_print_fp(stdout, sig_s);
- printf("\n");
- ok = 0;
- }
-
- ok = SM2_do_verify(key, EVP_sm3(), sig, userid, (const uint8_t *)message, msg_len);
-
- ECDSA_SIG_free(sig);
- EC_POINT_free(pt);
- EC_KEY_free(key);
- BN_free(priv);
- BN_free(r);
- BN_free(s);
-
- return ok;
-}
-
-static int sm2_sig_test(void)
-{
- int rc = 0;
- /* From draft-shen-sm2-ecdsa-02 */
- EC_GROUP *test_group =
- create_EC_group
- ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
- "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
- "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
- "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
- "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
- "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
- "1");
-
- if (test_group == NULL)
- return 0;
-
- rc = test_sm2(test_group,
- "ALICE123@YAHOO.COM",
- "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
- "message digest",
- "006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F",
- "40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
- "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7");
-
- EC_GROUP_free(test_group);
-
- return rc;
-}
-
-#endif
-
-int setup_tests(void)
-{
-#ifdef OPENSSL_NO_SM2
- TEST_note("SM2 is disabled.");
-#else
- ADD_TEST(sm2_sig_test);
-#endif
- return 1;
-}
projects / openssl.git / commitdiff