// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2019 Linaro Limited * Author: AKASHI Takahiro * * Unit test for asn1 compiler and asn1 decoder function via various parsers */ #include #include #include #include #include #ifdef CONFIG_PKCS7_MESSAGE_PARSER #include #else #ifdef CONFIG_X509_CERTIFICATE_PARSER #include #endif #endif #ifdef CONFIG_X509_CERTIFICATE_PARSER static const unsigned char cert_data[] = { 0x30, 0x82, 0x03, 0xc7, 0x30, 0x82, 0x02, 0xaf, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x09, 0x00, 0xd7, 0x17, 0x0a, 0x76, 0xd5, 0xd3, 0x4d, 0xeb, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x7a, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x4a, 0x50, 0x31, 0x0e, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x05, 0x54, 0x6f, 0x6b, 0x79, 0x6f, 0x31, 0x0e, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x05, 0x54, 0x6f, 0x6b, 0x79, 0x6f, 0x31, 0x0f, 0x30, 0x0d, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 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0x63, 0xab, 0x5a, 0x65, 0xc5, 0xc5, 0x3b, 0xf3, 0x30, 0x80, 0xfc, 0x38, 0x8b, 0xc9, 0xcd, 0xc3, 0x4f, 0x2e, 0x2d, 0x67, 0xcc, 0x17, 0x18, 0x9b, 0x3e, 0xc6, 0x47, 0x03, 0xfc, 0x35, 0xa8, 0x35, 0x06, 0x5a, 0x77, 0xe5, 0x97, 0x71, 0xbb, 0x27, 0x93, 0x0d, 0x1f, 0x0e, 0x8c }; static unsigned int cert_data_len = 971; /** * lib_asn1_x509() - unit test for asn1 decoder function * with x509 certificate parser * * @uts: unit test state * Return: 0 = success, 1 = failure */ static int lib_asn1_x509(struct unit_test_state *uts) { struct x509_certificate *cert; cert = x509_cert_parse(cert_data, cert_data_len); ut_assertf(!IS_ERR(cert), "decoding failed\n"); ut_assertf(!strcmp(cert->subject, "Linaro: Tester"), "subject doesn't match\n"); ut_assertf(!strcmp(cert->issuer, "Linaro: Tester"), "issuer doesn't match\n"); ut_assertf(cert->pub, "public key doesn't exist\n"); ut_assertf(cert->pub->keylen == 0x10e, "key length doesn't match\n"); ut_assertf(!strcmp(cert->pub->pkey_algo, "rsa"), "algo isn't rsa\n"); ut_assertf(cert->valid_from == 0x5da92ddb, "valid_from doesn't match\n"); ut_assertf(cert->valid_to == 0x5f8a615b, "valid_to doesn't match\n"); x509_free_certificate(cert); return CMD_RET_SUCCESS; } LIB_TEST(lib_asn1_x509, 0); #endif /* CONFIG_X509_CERTIFICATE_PARSER */ #ifdef CONFIG_PKCS7_MESSAGE_PARSER /* * sbsign --key priv.pem --cert cert.pem --detach --out Image.pk Image */ static const unsigned char image_pk7[] = { 0x30, 0x82, 0x07, 0x0f, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x02, 0xa0, 0x82, 0x07, 0x00, 0x30, 0x82, 0x06, 0xfc, 0x02, 0x01, 0x01, 0x31, 0x0f, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x30, 0x78, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x04, 0xa0, 0x6a, 0x30, 0x68, 0x30, 0x33, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x0f, 0x30, 0x25, 0x03, 0x01, 0x00, 0xa0, 0x20, 0xa2, 0x1e, 0x80, 0x1c, 0x00, 0x3c, 0x00, 0x3c, 0x00, 0x3c, 0x00, 0x4f, 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0x09, 0x84, 0x31, 0xd0, 0x67, 0xf3, 0x3b, 0x0e, 0x19, 0x98, 0x7e, 0x07, 0xdc, 0xe1, 0xd8, 0x45, 0x84, 0xa2, 0xdd, 0x8a, 0x04, 0x6a, 0x43, 0xcf, 0xff, 0x7c, 0x9e, 0x83, 0xa8, 0x5d, 0xbc, 0x1f, 0x45, 0x86, 0x5b, 0x2d, 0xcd, 0x9d, 0xa0, 0xba, 0x4d, 0xd2, 0xc6, 0xb9, 0xc5, 0x34, 0x39, 0x29, 0x20, 0xee, 0x27, 0x60, 0x46, 0x9c, 0x62, 0xbe, 0xf2 }; static unsigned int image_pk7_len = 1811; /** * lib_asn1_pkcs7() - unit test for asn1 decoder function * with pkcs7 message parser * * @uts: unit test state * Return: 0 = success, 1 = failure */ static int lib_asn1_pkcs7(struct unit_test_state *uts) { struct pkcs7_message *pkcs7; pkcs7 = pkcs7_parse_message(image_pk7, image_pk7_len); ut_assertf(!IS_ERR(pkcs7), "decoding failed\n"); ut_assertf(pkcs7->data_len == 104, "signature size doesn't match\n"); ut_assertf(pkcs7->signed_infos != NULL, "sign-info doesn't exist\n"); ut_assertf(pkcs7->signed_infos->msgdigest_len == 32, "digest size doesn't match\n"); ut_assertf(pkcs7->signed_infos->aa_set == 0xf, "authenticated attributes doesn't match\n"); pkcs7_free_message(pkcs7); return CMD_RET_SUCCESS; } LIB_TEST(lib_asn1_pkcs7, 0); #endif /* CONFIG_PKCS7_MESSAGE_PARSER */ #ifdef CONFIG_RSA_PUBLIC_KEY_PARSER #include /* * openssl genrsa 2048 -out private.pem * openssl rsa -in private.pem -pubout -outform der -out public.der * dd if=public.der of=public.raw bs=24 skip=1 */ static const unsigned char public_key[] = { 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xca, 0x25, 0x23, 0xe0, 0x0a, 0x4d, 0x8f, 0x56, 0xfc, 0xc9, 0x06, 0x4c, 0xcc, 0x94, 0x43, 0xe0, 0x56, 0x44, 0x6e, 0x37, 0x54, 0x87, 0x12, 0x84, 0xf9, 0x07, 0x4f, 0xe4, 0x23, 0x40, 0xc3, 0x43, 0x84, 0x37, 0x86, 0xd3, 0x9d, 0x95, 0x1c, 0xe4, 0x8a, 0x66, 0x02, 0x09, 0xe2, 0x3d, 0xce, 0x2c, 0xc6, 0x02, 0x6a, 0xd4, 0x65, 0x61, 0xff, 0x85, 0x6f, 0x88, 0x63, 0xba, 0x31, 0x62, 0x1e, 0xb7, 0x95, 0xe9, 0x08, 0x3c, 0xe9, 0x35, 0xde, 0xfd, 0x65, 0x92, 0xb8, 0x9e, 0x71, 0xa4, 0xcd, 0x47, 0xfd, 0x04, 0x26, 0xb9, 0x78, 0xbf, 0x05, 0x0d, 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0x79, 0x75, 0x02, 0x03, 0x01, 0x00, 0x01 }; static unsigned int public_key_len = 270; /** * lib_asn1_pkey() - unit test for asn1 decoder function * with RSA public key parser * * @uts: unit test state * Return: 0 = success, 1 = failure */ static int lib_asn1_pkey(struct unit_test_state *uts) { struct rsa_key pkey; int ret; ret = rsa_parse_pub_key(&pkey, public_key, public_key_len); ut_assertf(ret == 0, "decoding failed (%d)\n", ret); ut_assertf(pkey.n_sz == 257, "public key modulus size doesn't match\n"); ut_assertf(pkey.e_sz == 3, "public key exponent size doesn't match\n"); ut_assertf(pkey.e[0] == 0x01 && pkey.e[1] == 0x00 && pkey.e[2] == 0x01, "public key exponent doesn't match\n"); return CMD_RET_SUCCESS; } LIB_TEST(lib_asn1_pkey, 0); #endif /* CONFIG_RSA_PUBLIC_KEY_PARSER */