return ret;
}
+static int test_emptyikm_HKDF(void)
+{
+ EVP_PKEY_CTX *pctx;
+ unsigned char out[20];
+ size_t outlen;
+ int ret = 0;
+ unsigned char salt[] = "9876543210";
+ unsigned char key[] = "";
+ unsigned char info[] = "stringinfo";
+ const unsigned char expected[] = {
+ 0x68, 0x81, 0xa5, 0x3e, 0x5b, 0x9c, 0x7b, 0x6f, 0x2e, 0xec, 0xc8, 0x47,
+ 0x7c, 0xfa, 0x47, 0x35, 0x66, 0x82, 0x15, 0x30
+ };
+ size_t expectedlen = sizeof(expected);
+
+ if (!TEST_ptr(pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL)))
+ goto done;
+
+ outlen = sizeof(out);
+ memset(out, 0, outlen);
+
+ if (!TEST_int_gt(EVP_PKEY_derive_init(pctx), 0)
+ || !TEST_int_gt(EVP_PKEY_CTX_set_hkdf_md(pctx, EVP_sha256()), 0)
+ || !TEST_int_gt(EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt,
+ sizeof(salt) - 1), 0)
+ || !TEST_int_gt(EVP_PKEY_CTX_set1_hkdf_key(pctx, key,
+ sizeof(key) - 1), 0)
+ || !TEST_int_gt(EVP_PKEY_CTX_add1_hkdf_info(pctx, info,
+ sizeof(info) - 1), 0)
+ || !TEST_int_gt(EVP_PKEY_derive(pctx, out, &outlen), 0)
+ || !TEST_mem_eq(out, outlen, expected, expectedlen))
+ goto done;
+
+ ret = 1;
+
+ done:
+ EVP_PKEY_CTX_free(pctx);
+
+ return ret;
+}
+
#ifndef OPENSSL_NO_EC
static int test_X509_PUBKEY_inplace(void)
{
ADD_TEST(test_CMAC_keygen);
#endif
ADD_TEST(test_HKDF);
+ ADD_TEST(test_emptyikm_HKDF);
#ifndef OPENSSL_NO_EC
ADD_TEST(test_X509_PUBKEY_inplace);
ADD_ALL_TESTS(test_invalide_ec_char2_pub_range_decode,