--- /dev/null
+/*
+ * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * 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
+ */
+
+#include <openssl/evp.h>
+#include <openssl/pem.h>
+#include <openssl/rsa.h>
+#include <openssl/x509.h>
+#include <openssl/serializer.h>
+#include <openssl/deserializer.h>
+
+#include "testutil.h"
+
+static EVP_PKEY *key_RSA = NULL;
+
+static EVP_PKEY *make_RSA(const char *rsa_type)
+{
+ EVP_PKEY *pkey = NULL;
+ EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_name(NULL, rsa_type, NULL);
+
+ /*
+ * No real need to check the errors other than for the cascade
+ * effect. |pkey| will imply remain NULL if something goes wrong.
+ */
+ (void)(ctx != NULL
+ && EVP_PKEY_keygen_init(ctx) > 0
+ && EVP_PKEY_keygen(ctx, &pkey) > 0);
+ EVP_PKEY_CTX_free(ctx);
+
+ return pkey;
+}
+
+/* Main test driver */
+
+typedef int (serializer)(void **serialized, long *serialized_len,
+ void *object, const char *ser_propq);
+typedef int (deserializer)(void **object,
+ void *serialized, long serialized_len);
+typedef int (checker)(int type, const void *data, size_t data_len);
+typedef void (dumper)(const char *label, const void *data, size_t data_len);
+
+static int test_serialize_deserialize(EVP_PKEY *pkey,
+ serializer *serialize_cb,
+ deserializer *deserialize_cb,
+ checker *check_cb, dumper *dump_cb,
+ const char *ser_propq)
+{
+ void *serialized = NULL;
+ long serialized_len = 0;
+ EVP_PKEY *pkey2 = NULL;
+ void *serialized2 = NULL;
+ long serialized2_len = 0;
+ int ok = 0;
+
+ if (!serialize_cb(&serialized, &serialized_len, pkey, ser_propq)
+ || !check_cb(EVP_PKEY_base_id(pkey), serialized, serialized_len)
+ || !deserialize_cb((void **)&pkey2, serialized, serialized_len)
+ || !TEST_int_eq(EVP_PKEY_eq(pkey, pkey2), 1))
+ goto end;
+
+ /*
+ * Double check the serialization.
+ */
+ if (!serialize_cb(&serialized2, &serialized2_len, pkey2, ser_propq)
+ || !TEST_mem_eq(serialized, serialized_len,
+ serialized2, serialized2_len))
+ goto end;
+
+ ok = 1;
+ end:
+ if (!ok)
+ dump_cb("serialized result", serialized, serialized_len);
+
+ OPENSSL_free(serialized);
+ OPENSSL_free(serialized2);
+ EVP_PKEY_free(pkey2);
+ return ok;
+}
+
+/* Serializing and desserializing methods */
+
+static int serialize_EVP_PKEY(void **serialized, long *serialized_len,
+ void *object, const char *ser_propq)
+{
+ EVP_PKEY *pkey = object;
+ OSSL_SERIALIZER_CTX *sctx = NULL;
+ BIO *mem_ser = NULL;
+ BUF_MEM *mem_buf = NULL;
+ int ok = 0;
+
+ if (!TEST_ptr(sctx = OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey, ser_propq))
+ || !TEST_ptr(mem_ser = BIO_new(BIO_s_mem()))
+ || !TEST_true(OSSL_SERIALIZER_to_bio(sctx, mem_ser))
+ || !TEST_true(BIO_get_mem_ptr(mem_ser, &mem_buf) > 0)
+ || !TEST_ptr(*serialized = mem_buf->data)
+ || !TEST_long_gt(*serialized_len = mem_buf->length, 0))
+ goto end;
+
+ /* Detach the serialized output */
+ mem_buf->data = NULL;
+ mem_buf->length = 0;
+ ok = 1;
+ end:
+ BIO_free(mem_ser);
+ OSSL_SERIALIZER_CTX_free(sctx);
+ return ok;
+}
+
+static int deserialize_EVP_PKEY(void **object,
+ void *serialized, long serialized_len)
+{
+ EVP_PKEY *pkey = NULL;
+ OSSL_DESERIALIZER_CTX *dctx = NULL;
+ BIO *mem_deser = NULL;
+ int ok = 0;
+
+ if (!TEST_ptr(dctx = OSSL_DESERIALIZER_CTX_new_by_EVP_PKEY(&pkey, NULL,
+ NULL, NULL))
+ || !TEST_ptr(mem_deser = BIO_new_mem_buf(serialized, serialized_len))
+ || !TEST_true(OSSL_DESERIALIZER_from_bio(dctx, mem_deser)))
+ goto end;
+ ok = 1;
+ *object = pkey;
+ end:
+ BIO_free(mem_deser);
+ OSSL_DESERIALIZER_CTX_free(dctx);
+ return ok;
+}
+
+/* Test cases and their dumpers / checkers */
+
+static void dump_der(const char *label, const void *data, size_t data_len)
+{
+ test_output_memory(label, data, data_len);
+}
+
+static void dump_pem(const char *label, const void *data, size_t data_len)
+{
+ test_output_string(label, data, data_len - 1);
+}
+
+static int check_PKCS8_DER(int type, const void *data, size_t data_len)
+{
+ const unsigned char *datap = data;
+ PKCS8_PRIV_KEY_INFO *p8inf =
+ d2i_PKCS8_PRIV_KEY_INFO(NULL, &datap, data_len);
+ int ok = 0;
+
+ if (TEST_ptr(p8inf)) {
+ EVP_PKEY *pkey = EVP_PKCS82PKEY(p8inf);
+
+ ok = (TEST_ptr(pkey) && TEST_true(EVP_PKEY_is_a(pkey, "RSA")));
+ EVP_PKEY_free(pkey);
+ }
+ PKCS8_PRIV_KEY_INFO_free(p8inf);
+ return ok;
+}
+
+static int test_RSA_via_DER(void)
+{
+ return test_serialize_deserialize(key_RSA,
+ serialize_EVP_PKEY,
+ deserialize_EVP_PKEY,
+ check_PKCS8_DER, dump_der,
+ OSSL_SERIALIZER_PrivateKey_TO_DER_PQ);
+}
+
+static int check_PKCS8_PEM(int type, const void *data, size_t data_len)
+{
+ static const char pem_header[] = "-----BEGIN " PEM_STRING_PKCS8INF "-----";
+
+ return TEST_strn_eq(data, pem_header, sizeof(pem_header) - 1);
+}
+
+static int test_RSA_via_PEM(void)
+{
+ return test_serialize_deserialize(key_RSA,
+ serialize_EVP_PKEY,
+ deserialize_EVP_PKEY,
+ check_PKCS8_PEM, dump_pem,
+ OSSL_SERIALIZER_PrivateKey_TO_PEM_PQ);
+}
+
+int setup_tests(void)
+{
+ TEST_info("Generating key...");
+ if (!TEST_ptr(key_RSA = make_RSA("RSA")))
+ return 0;
+ TEST_info("Generating key... done");
+
+ ADD_TEST(test_RSA_via_DER);
+ ADD_TEST(test_RSA_via_PEM);
+
+ return 1;
+}
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