| /* BEGIN_HEADER */ |
| #include "mbedtls/rsa.h" |
| #include "mbedtls/md.h" |
| /* END_HEADER */ |
| |
| /* BEGIN_DEPENDENCIES |
| * depends_on:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C |
| * END_DEPENDENCIES |
| */ |
| |
| /* BEGIN_CASE */ |
| void pkcs1_rsaes_v15_encrypt(int mod, char *input_N, |
| char *input_E, int hash, |
| data_t *message_str, data_t *rnd_buf, |
| data_t *result_str, int result) |
| { |
| unsigned char output[128]; |
| mbedtls_rsa_context ctx; |
| mbedtls_test_rnd_buf_info info; |
| mbedtls_mpi N, E; |
| |
| info.fallback_f_rng = mbedtls_test_rnd_std_rand; |
| info.fallback_p_rng = NULL; |
| info.buf = rnd_buf->x; |
| info.length = rnd_buf->len; |
| |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&E); |
| mbedtls_rsa_init(&ctx); |
| |
| TEST_EQUAL(mbedtls_rsa_get_padding_mode(&ctx), MBEDTLS_RSA_PKCS_V15); |
| TEST_EQUAL(mbedtls_rsa_get_md_alg(&ctx), MBEDTLS_MD_NONE); |
| |
| TEST_ASSERT(mbedtls_rsa_set_padding(&ctx, |
| MBEDTLS_RSA_PKCS_V15, hash) == 0); |
| memset(output, 0x00, sizeof(output)); |
| |
| TEST_EQUAL(mbedtls_rsa_get_padding_mode(&ctx), MBEDTLS_RSA_PKCS_V15); |
| TEST_EQUAL(mbedtls_rsa_get_md_alg(&ctx), hash); |
| |
| TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0); |
| TEST_ASSERT(mbedtls_rsa_import(&ctx, &N, NULL, NULL, NULL, &E) == 0); |
| TEST_ASSERT(mbedtls_rsa_get_len(&ctx) == (size_t) ((mod + 7) / 8)); |
| TEST_ASSERT(mbedtls_rsa_check_pubkey(&ctx) == 0); |
| |
| if (message_str->len == 0) { |
| message_str->x = NULL; |
| } |
| TEST_ASSERT(mbedtls_rsa_pkcs1_encrypt(&ctx, |
| &mbedtls_test_rnd_buffer_rand, |
| &info, message_str->len, |
| message_str->x, |
| output) == result); |
| |
| if (result == 0) { |
| TEST_ASSERT(mbedtls_test_hexcmp(output, result_str->x, |
| ctx.len, result_str->len) == 0); |
| } |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&E); |
| mbedtls_rsa_free(&ctx); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pkcs1_rsaes_v15_decrypt(int mod, char *input_P, char *input_Q, |
| char *input_N, char *input_E, int hash, |
| data_t *result_str, char *seed, |
| data_t *message_str, int result) |
| { |
| unsigned char output[128]; |
| mbedtls_rsa_context ctx; |
| size_t output_len; |
| mbedtls_test_rnd_pseudo_info rnd_info; |
| mbedtls_mpi N, P, Q, E; |
| ((void) seed); |
| |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); |
| mbedtls_mpi_init(&Q); mbedtls_mpi_init(&E); |
| mbedtls_rsa_init(&ctx); |
| TEST_ASSERT(mbedtls_rsa_set_padding(&ctx, |
| MBEDTLS_RSA_PKCS_V15, hash) == 0); |
| |
| TEST_EQUAL(mbedtls_rsa_get_padding_mode(&ctx), MBEDTLS_RSA_PKCS_V15); |
| TEST_EQUAL(mbedtls_rsa_get_md_alg(&ctx), hash); |
| |
| memset(output, 0x00, sizeof(output)); |
| memset(&rnd_info, 0, sizeof(mbedtls_test_rnd_pseudo_info)); |
| |
| TEST_ASSERT(mbedtls_test_read_mpi(&P, input_P) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&Q, input_Q) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0); |
| |
| TEST_ASSERT(mbedtls_rsa_import(&ctx, &N, &P, &Q, NULL, &E) == 0); |
| TEST_ASSERT(mbedtls_rsa_get_len(&ctx) == (size_t) ((mod + 7) / 8)); |
| TEST_ASSERT(mbedtls_rsa_complete(&ctx) == 0); |
| TEST_ASSERT(mbedtls_rsa_check_privkey(&ctx) == 0); |
| |
| if (result_str->len == 0) { |
| TEST_ASSERT(mbedtls_rsa_pkcs1_decrypt(&ctx, |
| &mbedtls_test_rnd_pseudo_rand, |
| &rnd_info, |
| &output_len, message_str->x, |
| NULL, 0) == result); |
| } else { |
| TEST_ASSERT(mbedtls_rsa_pkcs1_decrypt(&ctx, |
| &mbedtls_test_rnd_pseudo_rand, |
| &rnd_info, |
| &output_len, message_str->x, |
| output, 1000) == result); |
| if (result == 0) { |
| TEST_ASSERT(mbedtls_test_hexcmp(output, result_str->x, |
| output_len, |
| result_str->len) == 0); |
| } |
| } |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); |
| mbedtls_mpi_free(&Q); mbedtls_mpi_free(&E); |
| mbedtls_rsa_free(&ctx); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pkcs1_v15_decode(data_t *input, |
| int expected_plaintext_length_arg, |
| int output_size_arg, |
| int expected_result) |
| { |
| size_t expected_plaintext_length = expected_plaintext_length_arg; |
| size_t output_size = output_size_arg; |
| mbedtls_test_rnd_pseudo_info rnd_info; |
| mbedtls_mpi Nmpi, Empi, Pmpi, Qmpi; |
| mbedtls_rsa_context ctx; |
| static unsigned char N[128] = { |
| 0xc4, 0x79, 0x4c, 0x6d, 0xb2, 0xe9, 0xdf, 0xc5, |
| 0xe5, 0xd7, 0x55, 0x4b, 0xfb, 0x6c, 0x2e, 0xec, |
| 0x84, 0xd0, 0x88, 0x12, 0xaf, 0xbf, 0xb4, 0xf5, |
| 0x47, 0x3c, 0x7e, 0x92, 0x4c, 0x58, 0xc8, 0x73, |
| 0xfe, 0x8f, 0x2b, 0x8f, 0x8e, 0xc8, 0x5c, 0xf5, |
| 0x05, 0xeb, 0xfb, 0x0d, 0x7b, 0x2a, 0x93, 0xde, |
| 0x15, 0x0d, 0xc8, 0x13, 0xcf, 0xd2, 0x6f, 0x0d, |
| 0x9d, 0xad, 0x30, 0xe5, 0x70, 0x20, 0x92, 0x9e, |
| 0xb3, 0x6b, 0xba, 0x5c, 0x50, 0x0f, 0xc3, 0xb2, |
| 0x7e, 0x64, 0x07, 0x94, 0x7e, 0xc9, 0x4e, 0xc1, |
| 0x65, 0x04, 0xaf, 0xb3, 0x9f, 0xde, 0xa8, 0x46, |
| 0xfa, 0x6c, 0xf3, 0x03, 0xaf, 0x1c, 0x1b, 0xec, |
| 0x75, 0x44, 0x66, 0x77, 0xc9, 0xde, 0x51, 0x33, |
| 0x64, 0x27, 0xb0, 0xd4, 0x8d, 0x31, 0x6a, 0x11, |
| 0x27, 0x3c, 0x99, 0xd4, 0x22, 0xc0, 0x9d, 0x12, |
| 0x01, 0xc7, 0x4a, 0x73, 0xac, 0xbf, 0xc2, 0xbb |
| }; |
| static unsigned char E[1] = { 0x03 }; |
| static unsigned char P[64] = { |
| 0xe5, 0x53, 0x1f, 0x88, 0x51, 0xee, 0x59, 0xf8, |
| 0xc1, 0xe4, 0xcc, 0x5b, 0xb3, 0x75, 0x8d, 0xc8, |
| 0xe8, 0x95, 0x2f, 0xd0, 0xef, 0x37, 0xb4, 0xcd, |
| 0xd3, 0x9e, 0x48, 0x8b, 0x81, 0x58, 0x60, 0xb9, |
| 0x27, 0x1d, 0xb6, 0x28, 0x92, 0x64, 0xa3, 0xa5, |
| 0x64, 0xbd, 0xcc, 0x53, 0x68, 0xdd, 0x3e, 0x55, |
| 0xea, 0x9d, 0x5e, 0xcd, 0x1f, 0x96, 0x87, 0xf1, |
| 0x29, 0x75, 0x92, 0x70, 0x8f, 0x28, 0xfb, 0x2b |
| }; |
| static unsigned char Q[64] = { |
| 0xdb, 0x53, 0xef, 0x74, 0x61, 0xb4, 0x20, 0x3b, |
| 0x3b, 0x87, 0x76, 0x75, 0x81, 0x56, 0x11, 0x03, |
| 0x59, 0x31, 0xe3, 0x38, 0x4b, 0x8c, 0x7a, 0x9c, |
| 0x05, 0xd6, 0x7f, 0x1e, 0x5e, 0x60, 0xf0, 0x4e, |
| 0x0b, 0xdc, 0x34, 0x54, 0x1c, 0x2e, 0x90, 0x83, |
| 0x14, 0xef, 0xc0, 0x96, 0x5c, 0x30, 0x10, 0xcc, |
| 0xc1, 0xba, 0xa0, 0x54, 0x3f, 0x96, 0x24, 0xca, |
| 0xa3, 0xfb, 0x55, 0xbc, 0x71, 0x29, 0x4e, 0xb1 |
| }; |
| unsigned char original[128]; |
| unsigned char intermediate[128]; |
| static unsigned char default_content[128] = { |
| /* A randomly generated pattern. */ |
| 0x4c, 0x27, 0x54, 0xa0, 0xce, 0x0d, 0x09, 0x4a, |
| 0x1c, 0x38, 0x8e, 0x2d, 0xa3, 0xc4, 0xe0, 0x19, |
| 0x4c, 0x99, 0xb2, 0xbf, 0xe6, 0x65, 0x7e, 0x58, |
| 0xd7, 0xb6, 0x8a, 0x05, 0x2f, 0xa5, 0xec, 0xa4, |
| 0x35, 0xad, 0x10, 0x36, 0xff, 0x0d, 0x08, 0x50, |
| 0x74, 0x47, 0xc9, 0x9c, 0x4a, 0xe7, 0xfd, 0xfa, |
| 0x83, 0x5f, 0x14, 0x5a, 0x1e, 0xe7, 0x35, 0x08, |
| 0xad, 0xf7, 0x0d, 0x86, 0xdf, 0xb8, 0xd4, 0xcf, |
| 0x32, 0xb9, 0x5c, 0xbe, 0xa3, 0xd2, 0x89, 0x70, |
| 0x7b, 0xc6, 0x48, 0x7e, 0x58, 0x4d, 0xf3, 0xef, |
| 0x34, 0xb7, 0x57, 0x54, 0x79, 0xc5, 0x8e, 0x0a, |
| 0xa3, 0xbf, 0x6d, 0x42, 0x83, 0x25, 0x13, 0xa2, |
| 0x95, 0xc0, 0x0d, 0x32, 0xec, 0x77, 0x91, 0x2b, |
| 0x68, 0xb6, 0x8c, 0x79, 0x15, 0xfb, 0x94, 0xde, |
| 0xb9, 0x2b, 0x94, 0xb3, 0x28, 0x23, 0x86, 0x3d, |
| 0x37, 0x00, 0xe6, 0xf1, 0x1f, 0x4e, 0xd4, 0x42 |
| }; |
| unsigned char final[128]; |
| size_t output_length = 0x7EA0; |
| |
| memset(&rnd_info, 0, sizeof(mbedtls_test_rnd_pseudo_info)); |
| mbedtls_mpi_init(&Nmpi); mbedtls_mpi_init(&Empi); |
| mbedtls_mpi_init(&Pmpi); mbedtls_mpi_init(&Qmpi); |
| mbedtls_rsa_init(&ctx); |
| |
| TEST_ASSERT(mbedtls_mpi_read_binary(&Nmpi, N, sizeof(N)) == 0); |
| TEST_ASSERT(mbedtls_mpi_read_binary(&Empi, E, sizeof(E)) == 0); |
| TEST_ASSERT(mbedtls_mpi_read_binary(&Pmpi, P, sizeof(P)) == 0); |
| TEST_ASSERT(mbedtls_mpi_read_binary(&Qmpi, Q, sizeof(Q)) == 0); |
| |
| TEST_ASSERT(mbedtls_rsa_import(&ctx, &Nmpi, &Pmpi, &Qmpi, |
| NULL, &Empi) == 0); |
| TEST_ASSERT(mbedtls_rsa_complete(&ctx) == 0); |
| |
| TEST_ASSERT(input->len <= sizeof(N)); |
| memcpy(original, input->x, input->len); |
| memset(original + input->len, 'd', sizeof(original) - input->len); |
| TEST_ASSERT(mbedtls_rsa_public(&ctx, original, intermediate) == 0); |
| |
| memcpy(final, default_content, sizeof(final)); |
| TEST_ASSERT(mbedtls_rsa_pkcs1_decrypt(&ctx, |
| &mbedtls_test_rnd_pseudo_rand, |
| &rnd_info, &output_length, |
| intermediate, final, |
| output_size) == expected_result); |
| if (expected_result == 0) { |
| TEST_ASSERT(output_length == expected_plaintext_length); |
| TEST_ASSERT(memcmp(original + sizeof(N) - output_length, |
| final, |
| output_length) == 0); |
| } else if (expected_result == MBEDTLS_ERR_RSA_INVALID_PADDING || |
| expected_result == MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE) { |
| size_t max_payload_length = |
| output_size > sizeof(N) - 11 ? sizeof(N) - 11 : output_size; |
| size_t i; |
| size_t count = 0; |
| |
| #if !defined(MBEDTLS_RSA_ALT) |
| /* Check that the output in invalid cases is what the default |
| * implementation currently does. Alternative implementations |
| * may produce different output, so we only perform these precise |
| * checks when using the default implementation. */ |
| TEST_ASSERT(output_length == max_payload_length); |
| for (i = 0; i < max_payload_length; i++) { |
| TEST_ASSERT(final[i] == 0); |
| } |
| #endif |
| /* Even in alternative implementations, the outputs must have |
| * changed, otherwise it indicates at least a timing vulnerability |
| * because no write to the outputs is performed in the bad case. */ |
| TEST_ASSERT(output_length != 0x7EA0); |
| for (i = 0; i < max_payload_length; i++) { |
| count += (final[i] == default_content[i]); |
| } |
| /* If more than 16 bytes are unchanged in final, that's evidence |
| * that final wasn't overwritten. */ |
| TEST_ASSERT(count < 16); |
| } |
| |
| exit: |
| mbedtls_mpi_free(&Nmpi); mbedtls_mpi_free(&Empi); |
| mbedtls_mpi_free(&Pmpi); mbedtls_mpi_free(&Qmpi); |
| mbedtls_rsa_free(&ctx); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pkcs1_rsassa_v15_sign(int mod, char *input_P, |
| char *input_Q, char *input_N, |
| char *input_E, int digest, int hash, |
| data_t *message_str, data_t *rnd_buf, |
| data_t *result_str, int result) |
| { |
| unsigned char output[128]; |
| mbedtls_rsa_context ctx; |
| mbedtls_mpi N, P, Q, E; |
| mbedtls_test_rnd_buf_info info; |
| |
| info.fallback_f_rng = mbedtls_test_rnd_std_rand; |
| info.fallback_p_rng = NULL; |
| info.buf = rnd_buf->x; |
| info.length = rnd_buf->len; |
| |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); |
| mbedtls_mpi_init(&Q); mbedtls_mpi_init(&E); |
| mbedtls_rsa_init(&ctx); |
| TEST_ASSERT(mbedtls_rsa_set_padding(&ctx, |
| MBEDTLS_RSA_PKCS_V15, hash) == 0); |
| |
| memset(output, 0x00, sizeof(output)); |
| |
| TEST_EQUAL(mbedtls_rsa_get_padding_mode(&ctx), MBEDTLS_RSA_PKCS_V15); |
| TEST_EQUAL(mbedtls_rsa_get_md_alg(&ctx), hash); |
| |
| TEST_ASSERT(mbedtls_test_read_mpi(&P, input_P) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&Q, input_Q) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0); |
| |
| TEST_ASSERT(mbedtls_rsa_import(&ctx, &N, &P, &Q, NULL, &E) == 0); |
| TEST_ASSERT(mbedtls_rsa_get_len(&ctx) == (size_t) ((mod + 7) / 8)); |
| TEST_ASSERT(mbedtls_rsa_complete(&ctx) == 0); |
| TEST_ASSERT(mbedtls_rsa_check_privkey(&ctx) == 0); |
| |
| TEST_ASSERT(mbedtls_rsa_pkcs1_sign( |
| &ctx, &mbedtls_test_rnd_buffer_rand, &info, |
| digest, message_str->len, message_str->x, |
| output) == result); |
| if (result == 0) { |
| |
| TEST_ASSERT(mbedtls_test_hexcmp(output, result_str->x, |
| ctx.len, result_str->len) == 0); |
| } |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); |
| mbedtls_mpi_free(&Q); mbedtls_mpi_free(&E); |
| mbedtls_rsa_free(&ctx); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pkcs1_rsassa_v15_verify(int mod, char *input_N, char *input_E, |
| int digest, int hash, data_t *message_str, |
| char *salt, data_t *result_str, int result) |
| { |
| mbedtls_rsa_context ctx; |
| mbedtls_mpi N, E; |
| ((void) salt); |
| |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&E); |
| mbedtls_rsa_init(&ctx); |
| TEST_ASSERT(mbedtls_rsa_set_padding(&ctx, |
| MBEDTLS_RSA_PKCS_V15, hash) == 0); |
| |
| TEST_EQUAL(mbedtls_rsa_get_padding_mode(&ctx), MBEDTLS_RSA_PKCS_V15); |
| TEST_EQUAL(mbedtls_rsa_get_md_alg(&ctx), hash); |
| |
| TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0); |
| TEST_ASSERT(mbedtls_rsa_import(&ctx, &N, NULL, NULL, NULL, &E) == 0); |
| TEST_ASSERT(mbedtls_rsa_get_len(&ctx) == (size_t) ((mod + 7) / 8)); |
| TEST_ASSERT(mbedtls_rsa_check_pubkey(&ctx) == 0); |
| |
| TEST_ASSERT(mbedtls_rsa_pkcs1_verify(&ctx, digest, message_str->len, message_str->x, |
| result_str->x) == result); |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&E); |
| mbedtls_rsa_free(&ctx); |
| } |
| /* END_CASE */ |
