/*
- * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (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
*/
+/*
+ * Low level APIs are deprecated for public use, but still ok for internal use.
+ */
+#include "internal/deprecated.h"
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef OPENSSL_NO_SM2
-# include "internal/sm2.h"
+# include "crypto/sm2.h"
-static RAND_METHOD fake_rand;
-static const RAND_METHOD *saved_rand;
+static fake_random_generate_cb get_faked_bytes;
+static OSSL_PROVIDER *fake_rand = NULL;
static uint8_t *fake_rand_bytes = NULL;
static size_t fake_rand_bytes_offset = 0;
static size_t fake_rand_size = 0;
-static int get_faked_bytes(unsigned char *buf, int num)
+static int get_faked_bytes(unsigned char *buf, size_t num,
+ ossl_unused const char *name,
+ ossl_unused EVP_RAND_CTX *ctx)
{
- int i;
-
- if (fake_rand_bytes == NULL)
- return saved_rand->bytes(buf, num);
-
- if (!TEST_size_t_le(fake_rand_bytes_offset + num, fake_rand_size))
+ if (!TEST_ptr(fake_rand_bytes) || !TEST_size_t_gt(fake_rand_size, 0))
return 0;
- for (i = 0; i != num; ++i)
- buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
- fake_rand_bytes_offset += num;
+ while (num-- > 0) {
+ if (fake_rand_bytes_offset >= fake_rand_size)
+ fake_rand_bytes_offset = 0;
+ *buf++ = fake_rand_bytes[fake_rand_bytes_offset++];
+ }
+
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);
+ OPENSSL_free(fake_rand_bytes);
fake_rand_bytes_offset = 0;
fake_rand_size = strlen(hex_bytes) / 2;
-
- /* set new RAND_METHOD */
- if (!TEST_true(RAND_set_rand_method(&fake_rand)))
+ if (!TEST_ptr(fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL)))
return 0;
+
+ /* use own random function */
+ fake_rand_set_public_private_callbacks(NULL, get_faked_bytes);
return 1;
+
}
-static int restore_rand(void)
+static void restore_rand(void)
{
+ fake_rand_set_public_private_callbacks(NULL, NULL);
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,
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)))
+ || !TEST_true(EC_POINT_set_affine_coordinates(group, generator, g_x,
+ g_y, NULL)))
goto done;
if (!TEST_true(BN_hex2bn(&order, order_hex))
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)))
+ || !TEST_true(ossl_sm2_ciphertext_size(key, digest, msg_len,
+ &ctext_len)))
goto done;
ctext = OPENSSL_zalloc(ctext_len);
goto done;
start_fake_rand(k_hex);
- if (!TEST_true(sm2_encrypt(key, digest, (const uint8_t *)message, msg_len,
- ctext, &ctext_len))
- || !TEST_size_t_eq(fake_rand_bytes_offset, fake_rand_size)) {
+ if (!TEST_true(ossl_sm2_encrypt(key, digest,
+ (const uint8_t *)message, msg_len,
+ ctext, &ctext_len))) {
restore_rand();
goto done;
}
if (!TEST_mem_eq(ctext, ctext_len, expected, ctext_len))
goto done;
- if (!TEST_true(sm2_plaintext_size(key, digest, ctext_len, &ptext_len))
+ if (!TEST_true(ossl_sm2_plaintext_size(ctext, 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_true(ossl_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;
static int sm2_crypt_test(void)
{
int testresult = 0;
+ EC_GROUP *gm_group = NULL;
EC_GROUP *test_group =
create_EC_group
("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
"88E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33"))
goto done;
+ /* From Annex C in both GM/T0003.5-2012 and GB/T 32918.5-2016.*/
+ gm_group = create_EC_group(
+ "fffffffeffffffffffffffffffffffffffffffff00000000ffffffffffffffff",
+ "fffffffeffffffffffffffffffffffffffffffff00000000fffffffffffffffc",
+ "28e9fa9e9d9f5e344d5a9e4bcf6509a7f39789f515ab8f92ddbcbd414d940e93",
+ "32c4ae2c1f1981195f9904466a39c9948fe30bbff2660be1715a4589334c74c7",
+ "bc3736a2f4f6779c59bdcee36b692153d0a9877cc62a474002df32e52139f0a0",
+ "fffffffeffffffffffffffffffffffff7203df6b21c6052b53bbf40939d54123",
+ "1");
+
+ if (!TEST_ptr(gm_group))
+ goto done;
+
+ if (!test_sm2_crypt(
+ gm_group,
+ EVP_sm3(),
+ /* privkey (from which the encrypting public key is derived) */
+ "3945208F7B2144B13F36E38AC6D39F95889393692860B51A42FB81EF4DF7C5B8",
+ /* plaintext message */
+ "encryption standard",
+ /* ephemeral nonce k */
+ "59276E27D506861A16680F3AD9C02DCCEF3CC1FA3CDBE4CE6D54B80DEAC1BC21",
+ /*
+ * expected ciphertext, the field values are from GM/T 0003.5-2012
+ * (Annex C), but serialized following the ASN.1 format specified
+ * in GM/T 0009-2012 (Sec. 7.2).
+ */
+ "307C" /* SEQUENCE, 0x7c bytes */
+ "0220" /* INTEGER, 0x20 bytes */
+ "04EBFC718E8D1798620432268E77FEB6415E2EDE0E073C0F4F640ECD2E149A73"
+ "0221" /* INTEGER, 0x21 bytes */
+ "00" /* leading 00 due to DER for pos. int with topmost bit set */
+ "E858F9D81E5430A57B36DAAB8F950A3C64E6EE6A63094D99283AFF767E124DF0"
+ "0420" /* OCTET STRING, 0x20 bytes */
+ "59983C18F809E262923C53AEC295D30383B54E39D609D160AFCB1908D0BD8766"
+ "0413" /* OCTET STRING, 0x13 bytes */
+ "21886CA989CA9C7D58087307CA93092D651EFA"))
+ goto done;
+
testresult = 1;
done:
EC_GROUP_free(test_group);
+ EC_GROUP_free(gm_group);
return testresult;
}
const char *message,
const char *k_hex,
const char *r_hex,
- const char *s_hex)
+ const char *s_hex,
+ int omit_pubkey)
{
const size_t msg_len = strlen(message);
int ok = 0;
|| !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;
+ if (omit_pubkey == 0) {
+ 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);
- if (!TEST_ptr(sig)
- || !TEST_size_t_eq(fake_rand_bytes_offset, fake_rand_size)) {
+ sig = ossl_sm2_do_sign(key, EVP_sm3(), (const uint8_t *)userid,
+ strlen(userid), (const uint8_t *)message, msg_len);
+ if (!TEST_ptr(sig)) {
restore_rand();
goto done;
}
|| !TEST_BN_eq(s, sig_s))
goto done;
- ok = sm2_do_verify(key, EVP_sm3(), sig, userid, (const uint8_t *)message,
- msg_len);
+ ok = ossl_sm2_do_verify(key, EVP_sm3(), sig, (const uint8_t *)userid,
+ strlen(userid), (const uint8_t *)message, msg_len);
/* We goto done whether this passes or fails */
TEST_true(ok);
static int sm2_sig_test(void)
{
int testresult = 0;
+ EC_GROUP *gm_group = NULL;
/* From draft-shen-sm2-ecdsa-02 */
EC_GROUP *test_group =
create_EC_group
"006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F"
"007c47811054c6f99613a578eb8453706ccb96384fe7df5c171671e760bfa8be3a",
"40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
- "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7")))
+ "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7", 0)))
+ goto done;
+
+ /* From Annex A in both GM/T0003.5-2012 and GB/T 32918.5-2016.*/
+ gm_group = create_EC_group(
+ "fffffffeffffffffffffffffffffffffffffffff00000000ffffffffffffffff",
+ "fffffffeffffffffffffffffffffffffffffffff00000000fffffffffffffffc",
+ "28e9fa9e9d9f5e344d5a9e4bcf6509a7f39789f515ab8f92ddbcbd414d940e93",
+ "32c4ae2c1f1981195f9904466a39c9948fe30bbff2660be1715a4589334c74c7",
+ "bc3736a2f4f6779c59bdcee36b692153d0a9877cc62a474002df32e52139f0a0",
+ "fffffffeffffffffffffffffffffffff7203df6b21c6052b53bbf40939d54123",
+ "1");
+
+ if (!TEST_ptr(gm_group))
+ goto done;
+
+ if (!TEST_true(test_sm2_sign(
+ gm_group,
+ /* the default ID specified in GM/T 0009-2012 (Sec. 10).*/
+ SM2_DEFAULT_USERID,
+ /* privkey */
+ "3945208F7B2144B13F36E38AC6D39F95889393692860B51A42FB81EF4DF7C5B8",
+ /* plaintext message */
+ "message digest",
+ /* ephemeral nonce k */
+ "59276E27D506861A16680F3AD9C02DCCEF3CC1FA3CDBE4CE6D54B80DEAC1BC21",
+ /* expected signature, the field values are from GM/T 0003.5-2012,
+ Annex A. */
+ /* signature R, 0x20 bytes */
+ "F5A03B0648D2C4630EEAC513E1BB81A15944DA3827D5B74143AC7EACEEE720B3",
+ /* signature S, 0x20 bytes */
+ "B1B6AA29DF212FD8763182BC0D421CA1BB9038FD1F7F42D4840B69C485BBC1AA", 0)))
+ goto done;
+
+
+ /* Make sure we fail if we omit the public portion of the key */
+ if (!TEST_false(test_sm2_sign(
+ gm_group,
+ /* the default ID specified in GM/T 0009-2012 (Sec. 10).*/
+ SM2_DEFAULT_USERID,
+ /* privkey */
+ "3945208F7B2144B13F36E38AC6D39F95889393692860B51A42FB81EF4DF7C5B8",
+ /* plaintext message */
+ "message digest",
+ /* ephemeral nonce k */
+ "59276E27D506861A16680F3AD9C02DCCEF3CC1FA3CDBE4CE6D54B80DEAC1BC21",
+ /* expected signature, the field values are from GM/T 0003.5-2012,
+ Annex A. */
+ /* signature R, 0x20 bytes */
+ "F5A03B0648D2C4630EEAC513E1BB81A15944DA3827D5B74143AC7EACEEE720B3",
+ /* signature S, 0x20 bytes */
+ "B1B6AA29DF212FD8763182BC0D421CA1BB9038FD1F7F42D4840B69C485BBC1AA", 1)))
goto done;
testresult = 1;
done:
EC_GROUP_free(test_group);
+ EC_GROUP_free(gm_group);
return testresult;
}
#ifdef OPENSSL_NO_SM2
TEST_note("SM2 is disabled.");
#else
+ fake_rand = fake_rand_start(NULL);
+ if (fake_rand == NULL)
+ return 0;
+
ADD_TEST(sm2_crypt_test);
ADD_TEST(sm2_sig_test);
#endif
return 1;
}
+
+void cleanup_tests(void)
+{
+#ifndef OPENSSL_NO_SM2
+ fake_rand_finish(fake_rand);
+#endif
+}