Commit a6c4cb84 authored by Jack Lloyd's avatar Jack Lloyd Committed by Paul Yang
Browse files

Add test case for SM2 evp verification 



This test case is originally submitted in #6757, by Jack Lloyd. The test
case has been modified to use the a different method to set the ID when
computing the Z hash of SM2 signature.

Reviewed-by: default avatarTim Hudson <tjh@openssl.org>
Reviewed-by: default avatarMatt Caswell <matt@openssl.org>
Reviewed-by: default avatarPaul Yang <yang.yang@baishancloud.com>
(Merged from https://github.com/openssl/openssl/pull/7113)
parent 4803717f

test/evp_extra_test.c

+79 −0
Original line number Diff line number Diff line
@@ -524,6 +524,84 @@ static int test_EVP_PKCS82PKEY(void) 


#ifndef OPENSSL_NO_SM2



static int test_EVP_SM2_verify(void)

{

    /* From https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02#appendix-A */

    const char *pubkey =

       "-----BEGIN PUBLIC KEY-----\n"

       "MIIBMzCB7AYHKoZIzj0CATCB4AIBATAsBgcqhkjOPQEBAiEAhULWnkwETxjouSQ1\n"

       "v2/33kVyg5FcRVF9ci7biwjx38MwRAQgeHlotPoyw/0kF4Quc7v+/y88hItoMdfg\n"

       "7GUiizk35JgEIGPkxtOyOwyEnPhCQUhL/kj2HVmlsWugbm4S0donxSSaBEEEQh3r\n"

       "1hti6rZ0ZDTrw8wxXjIiCzut1QvcTE5sFH/t1D0GgFEry7QsB9RzSdIVO3DE5df9\n"

       "/L+jbqGoWEG55G4JogIhAIVC1p5MBE8Y6LkkNb9v990pdyBjBIVijVrnTufDLnm3\n"

       "AgEBA0IABArkx3mKoPEZRxvuEYJb5GICu3nipYRElel8BP9N8lSKfAJA+I8c1OFj\n"

       "Uqc8F7fxbwc1PlOhdtaEqf4Ma7eY6Fc=\n"

       "-----END PUBLIC KEY-----\n";



    const char *msg = "message digest";

    const char *id = "ALICE123@YAHOO.COM";



    const uint8_t signature[] = {

       0x30, 0x44, 0x02, 0x20,



       0x40, 0xF1, 0xEC, 0x59, 0xF7, 0x93, 0xD9, 0xF4, 0x9E, 0x09, 0xDC,

       0xEF, 0x49, 0x13, 0x0D, 0x41, 0x94, 0xF7, 0x9F, 0xB1, 0xEE, 0xD2,

       0xCA, 0xA5, 0x5B, 0xAC, 0xDB, 0x49, 0xC4, 0xE7, 0x55, 0xD1,



       0x02, 0x20,



       0x6F, 0xC6, 0xDA, 0xC3, 0x2C, 0x5D, 0x5C, 0xF1, 0x0C, 0x77, 0xDF,

       0xB2, 0x0F, 0x7C, 0x2E, 0xB6, 0x67, 0xA4, 0x57, 0x87, 0x2F, 0xB0,

       0x9E, 0xC5, 0x63, 0x27, 0xA6, 0x7E, 0xC7, 0xDE, 0xEB, 0xE7

    };



    int rc = 0;

    BIO *bio = NULL;

    EVP_PKEY *pkey = NULL;

    EVP_MD_CTX *mctx = NULL;

    EVP_PKEY_CTX *pctx = NULL;



    bio = BIO_new_mem_buf(pubkey, strlen(pubkey));

    if (!TEST_true(bio != NULL))

        goto done;



    pkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);

    if (!TEST_true(pkey != NULL))

        goto done;



    if (!TEST_true(EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)))

        goto done;



    if (!TEST_ptr(mctx = EVP_MD_CTX_new()))

        goto done;



    if (!TEST_ptr(pctx = EVP_PKEY_CTX_new(pkey, NULL)))

        goto done;



    if (!TEST_int_gt(EVP_PKEY_CTX_set1_id(pctx, (const uint8_t *)id,

                                          strlen(id)), 0))

        goto done;



    EVP_MD_CTX_set_pkey_ctx(mctx, pctx);



    if (!TEST_true(EVP_DigestVerifyInit(mctx, NULL, EVP_sm3(), NULL, pkey)))

        goto done;



    if (!TEST_true(EVP_DigestVerifyUpdate(mctx, msg, strlen(msg))))

        goto done;



    if (!TEST_true(EVP_DigestVerifyFinal(mctx, signature, sizeof(signature))))

        goto done;

    rc = 1;



 done:

    BIO_free(bio);

    EVP_PKEY_free(pkey);

    EVP_PKEY_CTX_free(pctx);

    EVP_MD_CTX_free(mctx);

    return rc;

}



static int test_EVP_SM2(void)

{

    int ret = 0;
@@ -846,6 +924,7 @@ int setup_tests(void) 
#endif

#ifndef OPENSSL_NO_SM2

    ADD_TEST(test_EVP_SM2);

    ADD_TEST(test_EVP_SM2_verify);

#endif

    ADD_ALL_TESTS(test_set_get_raw_keys, OSSL_NELEM(keys));

    custom_pmeth = EVP_PKEY_meth_new(0xdefaced, 0);