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TEST: Add a test of EC key generation with encoding spec

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The primary function of this test is to exercise
EVP_PKEY_CTX_set_ec_param_enc().

Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12853)
This commit is contained in:
Richard Levitte 2020-09-11 08:36:54 +02:00
parent 655f73cecf
commit f0c62c5328
2 changed files with 79 additions and 1 deletions
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2
test/build.info
View File

@ -139,7 +139,7 @@ IF[{- !$disabled{tests} -}]
SOURCE[evp_extra_test]=evp_extra_test.c
INCLUDE[evp_extra_test]=../include ../apps/include
DEPEND[evp_extra_test]=../libcrypto libtestutil.a
DEPEND[evp_extra_test]=../libcrypto.a libtestutil.a
SOURCE[evp_extra_test2]=evp_extra_test2.c
INCLUDE[evp_extra_test2]=../include ../apps/include

78
test/evp_extra_test.c
View File

@ -32,6 +32,7 @@
#include "internal/nelem.h"
#include "internal/sizes.h"
#include "crypto/evp.h"
#include "../e_os.h" /* strcasecmp */
#ifndef OPENSSL_NO_SM2
/*
@ -842,6 +843,80 @@ static int test_privatekey_to_pkcs8(void)
return ok;
}
#ifndef OPENSSL_NO_EC
static const struct {
int encoding;
const char *encoding_name;
} ec_encodings[] = {
{ OPENSSL_EC_EXPLICIT_CURVE, OSSL_PKEY_EC_ENCODING_EXPLICIT },
{ OPENSSL_EC_NAMED_CURVE, OSSL_PKEY_EC_ENCODING_GROUP }
};
static int ec_export_get_encoding_cb(const OSSL_PARAM params[], void *arg)
{
const OSSL_PARAM *p;
const char *enc_name = NULL;
int *enc = arg;
size_t i;
*enc = -1;
if (!TEST_ptr(p = OSSL_PARAM_locate_const(params,
OSSL_PKEY_PARAM_EC_ENCODING))
|| !TEST_true(OSSL_PARAM_get_utf8_string_ptr(p, &enc_name)))
return 0;
for (i = 0; i < OSSL_NELEM(ec_encodings); i++) {
if (strcasecmp(enc_name, ec_encodings[i].encoding_name) == 0) {
*enc = ec_encodings[i].encoding;
break;
}
}
return (*enc != -1);
}
static int test_EC_keygen_with_enc(int idx)
{
EVP_PKEY *params = NULL, *key = NULL;
EVP_PKEY_CTX *pctx = NULL, *kctx = NULL;
int enc;
int ret = 0;
enc = ec_encodings[idx].encoding;
/* Create key parameters */
if (!TEST_ptr(pctx = EVP_PKEY_CTX_new_from_name(testctx, "EC", NULL))
|| !TEST_true(EVP_PKEY_paramgen_init(pctx))
|| !TEST_true(EVP_PKEY_CTX_set_group_name(pctx, "P-256"))
|| !TEST_true(EVP_PKEY_CTX_set_ec_param_enc(pctx, enc))
|| !TEST_true(EVP_PKEY_paramgen(pctx, &params))
|| !TEST_ptr(params))
goto done;
/* Create key */
if (!TEST_ptr(kctx = EVP_PKEY_CTX_new_from_pkey(testctx, params, NULL))
|| !TEST_true(EVP_PKEY_keygen_init(kctx))
|| !TEST_true(EVP_PKEY_keygen(kctx, &key))
|| !TEST_ptr(key))
goto done;
/* Check that the encoding got all the way into the key */
if (!TEST_true(evp_keymgmt_util_export(key, OSSL_KEYMGMT_SELECT_ALL,
ec_export_get_encoding_cb, &enc))
|| !TEST_int_eq(enc, ec_encodings[idx].encoding))
goto done;
ret = 1;
done:
EVP_PKEY_free(key);
EVP_PKEY_free(params);
EVP_PKEY_CTX_free(kctx);
EVP_PKEY_CTX_free(pctx);
return ret;
}
#endif
#if !defined(OPENSSL_NO_SM2) && !defined(FIPS_MODULE)
static int test_EVP_SM2_verify(void)
@ -2029,6 +2104,9 @@ int setup_tests(void)
#ifndef OPENSSL_NO_EC
ADD_TEST(test_EVP_PKCS82PKEY);
#endif
#ifndef OPENSSL_NO_EC
ADD_ALL_TESTS(test_EC_keygen_with_enc, OSSL_NELEM(ec_encodings));
#endif
#if !defined(OPENSSL_NO_SM2) && !defined(FIPS_MODULE)
ADD_TEST(test_EVP_SM2);
ADD_TEST(test_EVP_SM2_verify);