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Add EVP_PKEY_METHOD redirection test

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Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4503)
This commit is contained in:
Dr. Stephen Henson 2017-10-09 23:24:51 +01:00
parent 3f8b368a27
commit e3662075c3
1 changed files with 170 additions and 0 deletions
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170
test/enginetest.c
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@ -18,6 +18,7 @@
# include <openssl/buffer.h>
# include <openssl/crypto.h>
# include <openssl/engine.h>
# include <openssl/rsa.h>
# include <openssl/err.h>
static void display_engine_list(void)
@ -175,6 +176,174 @@ static int test_engines(void)
ENGINE_free(block[loop]);
return to_return;
}
/* Test EVP_PKEY method */
static EVP_PKEY_METHOD *test_rsa = NULL;
static int called_encrypt = 0;
/* Test function to check operation has been redirected */
static int test_encrypt(EVP_PKEY_CTX *ctx, unsigned char *sig,
size_t *siglen, const unsigned char *tbs, size_t tbslen)
{
called_encrypt = 1;
return 1;
}
static int test_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
const int **pnids, int nid)
{
static const int rnid = EVP_PKEY_RSA;
if (pmeth == NULL) {
*pnids = &rnid;
return 1;
}
if (nid == EVP_PKEY_RSA) {
*pmeth = test_rsa;
return 1;
}
*pmeth = NULL;
return 0;
}
/* Return a test EVP_PKEY value */
static EVP_PKEY *get_test_pkey(void)
{
static unsigned char n[] =
"\x00\xAA\x36\xAB\xCE\x88\xAC\xFD\xFF\x55\x52\x3C\x7F\xC4\x52\x3F"
"\x90\xEF\xA0\x0D\xF3\x77\x4A\x25\x9F\x2E\x62\xB4\xC5\xD9\x9C\xB5"
"\xAD\xB3\x00\xA0\x28\x5E\x53\x01\x93\x0E\x0C\x70\xFB\x68\x76\x93"
"\x9C\xE6\x16\xCE\x62\x4A\x11\xE0\x08\x6D\x34\x1E\xBC\xAC\xA0\xA1"
"\xF5";
static unsigned char e[] = "\x11";
RSA *rsa = RSA_new();
EVP_PKEY *pk = EVP_PKEY_new();
if (rsa == NULL || pk == NULL || !EVP_PKEY_assign_RSA(pk, rsa)) {
RSA_free(rsa);
EVP_PKEY_free(pk);
return NULL;
}
if (!RSA_set0_key(rsa, BN_bin2bn(n, sizeof(n)-1, NULL),
BN_bin2bn(e, sizeof(e)-1, NULL), NULL)) {
EVP_PKEY_free(pk);
return NULL;
}
return pk;
}
static int test_redirect(void)
{
const unsigned char pt[] = "Hello World\n";
unsigned char *tmp = NULL;
size_t len;
EVP_PKEY_CTX *ctx = NULL;
ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
int to_return = 0;
if (!TEST_ptr(pkey = get_test_pkey()))
goto err;
len = EVP_PKEY_size(pkey);
if (!TEST_ptr(tmp = OPENSSL_malloc(len)))
goto err;
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL)))
goto err;
TEST_info("EVP_PKEY_encrypt test: no redirection");
/* Encrypt some data: should succeed but not be redirected */
if (!TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_false(called_encrypt))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
/* Create a test ENGINE */
if (!TEST_ptr(e = ENGINE_new())
|| !TEST_true(ENGINE_set_id(e, "Test redirect engine"))
|| !TEST_true(ENGINE_set_name(e, "Test redirect engine")))
goto err;
/*
* Try to create a context for this engine and test key.
* Try setting test key engine. Both should fail because the
* engine has no public key methods.
*/
if (!TEST_ptr_null(EVP_PKEY_CTX_new(pkey, e))
|| !TEST_int_le(EVP_PKEY_set1_engine(pkey, e), 0))
goto err;
/* Setup an empty test EVP_PKEY_METHOD and set callback to return it */
if (!TEST_ptr(test_rsa = EVP_PKEY_meth_new(EVP_PKEY_RSA, 0)))
goto err;
ENGINE_set_pkey_meths(e, test_pkey_meths);
/* Getting a context for test ENGINE should now succeed */
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, e)))
goto err;
/* Encrypt should fail because operation is not supported */
if (!TEST_int_le(EVP_PKEY_encrypt_init(ctx), 0))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
/* Add test encrypt operation to method */
EVP_PKEY_meth_set_encrypt(test_rsa, 0, test_encrypt);
TEST_info("EVP_PKEY_encrypt test: redirection via EVP_PKEY_CTX_new()");
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, e)))
goto err;
/* Encrypt some data: should succeed and be redirected */
if (!TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_true(called_encrypt))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
called_encrypt = 0;
/* Create context with default engine: should not be redirected */
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL))
|| !TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_false(called_encrypt))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
/* Set engine explicitly for test key */
if (!TEST_true(EVP_PKEY_set1_engine(pkey, e)))
goto err;
TEST_info("EVP_PKEY_encrypt test: redirection via EVP_PKEY_set1_engine()");
/* Create context with default engine: should be redirected now */
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL))
|| !TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_true(called_encrypt))
goto err;
to_return = 1;
err:
EVP_PKEY_CTX_free(ctx);
EVP_PKEY_free(pkey);
ENGINE_free(e);
OPENSSL_free(tmp);
return to_return;
}
#endif
int setup_tests(void)
@ -183,6 +352,7 @@ int setup_tests(void)
TEST_note("No ENGINE support");
#else
ADD_TEST(test_engines);
ADD_TEST(test_redirect);
#endif
return 1;
}