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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/cal/cal.h>
#include <aws/cal/ecc.h>
#include <aws/cal/hash.h>
#include <aws/common/byte_buf.h>
#include <aws/common/encoding.h>
#include <aws/common/string.h>
#include <aws/testing/aws_test_harness.h>
static int s_test_key_derivation(
struct aws_allocator *allocator,
enum aws_ecc_curve_name curve_name,
struct aws_byte_cursor private_key,
struct aws_byte_cursor expected_pub_x,
struct aws_byte_cursor expected_pub_y) {
struct aws_ecc_key_pair *private_key_pair =
aws_ecc_key_pair_new_from_private_key(allocator, curve_name, &private_key);
ASSERT_NOT_NULL(private_key_pair);
int error = aws_ecc_key_pair_derive_public_key(private_key_pair);
/* this isn't supported on Apple platforms, since AFAIK it isn't possible */
if (error) {
ASSERT_INT_EQUALS(AWS_ERROR_UNSUPPORTED_OPERATION, aws_last_error());
goto complete;
}
struct aws_byte_cursor pub_x;
struct aws_byte_cursor pub_y;
aws_ecc_key_pair_get_public_key(private_key_pair, &pub_x, &pub_y);
ASSERT_BIN_ARRAYS_EQUALS(expected_pub_x.ptr, expected_pub_x.len, pub_x.ptr, pub_x.len);
ASSERT_BIN_ARRAYS_EQUALS(expected_pub_y.ptr, expected_pub_y.len, pub_y.ptr, pub_y.len);
complete:
aws_ecc_key_pair_release(private_key_pair);
return AWS_OP_SUCCESS;
}
static int s_ecdsa_p256_test_pub_key_derivation_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
uint8_t d[] = {
0xc9, 0x80, 0x68, 0x98, 0xa0, 0x33, 0x49, 0x16, 0xc8, 0x60, 0x74, 0x88, 0x80, 0xa5, 0x41, 0xf0,
0x93, 0xb5, 0x79, 0xa9, 0xb1, 0xf3, 0x29, 0x34, 0xd8, 0x6c, 0x36, 0x3c, 0x39, 0x80, 0x03, 0x57,
};
struct aws_byte_cursor private_key = aws_byte_cursor_from_array(d, sizeof(d));
uint8_t x[] = {
0xd0, 0x72, 0x0d, 0xc6, 0x91, 0xaa, 0x80, 0x09, 0x6b, 0xa3, 0x2f, 0xed, 0x1c, 0xb9, 0x7c, 0x2b,
0x62, 0x06, 0x90, 0xd0, 0x6d, 0xe0, 0x31, 0x7b, 0x86, 0x18, 0xd5, 0xce, 0x65, 0xeb, 0x72, 0x8f,
};
struct aws_byte_cursor pub_x = aws_byte_cursor_from_array(x, sizeof(x));
uint8_t y[] = {
0x96, 0x81, 0xb5, 0x17, 0xb1, 0xcd, 0xa1, 0x7d, 0x0d, 0x83, 0xd3, 0x35, 0xd9, 0xc4, 0xa8, 0xa9,
0xa9, 0xb0, 0xb1, 0xb3, 0xc7, 0x10, 0x6d, 0x8f, 0x3c, 0x72, 0xbc, 0x50, 0x93, 0xdc, 0x27, 0x5f,
};
struct aws_byte_cursor pub_y = aws_byte_cursor_from_array(y, sizeof(y));
return s_test_key_derivation(allocator, AWS_CAL_ECDSA_P256, private_key, pub_x, pub_y);
}
AWS_TEST_CASE(ecdsa_p256_test_pub_key_derivation, s_ecdsa_p256_test_pub_key_derivation_fn)
static int s_ecdsa_p384_test_pub_key_derivation_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
uint8_t d[] = {
0x53, 0x94, 0xf7, 0x97, 0x3e, 0xa8, 0x68, 0xc5, 0x2b, 0xf3, 0xff, 0x8d, 0x8c, 0xee, 0xb4, 0xdb,
0x90, 0xa6, 0x83, 0x65, 0x3b, 0x12, 0x48, 0x5d, 0x5f, 0x62, 0x7c, 0x3c, 0xe5, 0xab, 0xd8, 0x97,
0x8f, 0xc9, 0x67, 0x3d, 0x14, 0xa7, 0x1d, 0x92, 0x57, 0x47, 0x93, 0x16, 0x62, 0x49, 0x3c, 0x37,
};
struct aws_byte_cursor private_key = aws_byte_cursor_from_array(d, sizeof(d));
uint8_t x[] = {
0xfd, 0x3c, 0x84, 0xe5, 0x68, 0x9b, 0xed, 0x27, 0x0e, 0x60, 0x1b, 0x3d, 0x80, 0xf9, 0x0d, 0x67,
0xa9, 0xae, 0x45, 0x1c, 0xce, 0x89, 0x0f, 0x53, 0xe5, 0x83, 0x22, 0x9a, 0xd0, 0xe2, 0xee, 0x64,
0x56, 0x11, 0xfa, 0x99, 0x36, 0xdf, 0xa4, 0x53, 0x06, 0xec, 0x18, 0x06, 0x67, 0x74, 0xaa, 0x24,
};
struct aws_byte_cursor pub_x = aws_byte_cursor_from_array(x, sizeof(x));
uint8_t y[] = {
0xb8, 0x3c, 0xa4, 0x12, 0x6c, 0xfc, 0x4c, 0x4d, 0x1d, 0x18, 0xa4, 0xb6, 0xc2, 0x1c, 0x7f, 0x69,
0x9d, 0x51, 0x23, 0xdd, 0x9c, 0x24, 0xf6, 0x6f, 0x83, 0x38, 0x46, 0xee, 0xb5, 0x82, 0x96, 0x19,
0x6b, 0x42, 0xec, 0x06, 0x42, 0x5d, 0xb5, 0xb7, 0x0a, 0x4b, 0x81, 0xb7, 0xfc, 0xf7, 0x05, 0xa0,
};
struct aws_byte_cursor pub_y = aws_byte_cursor_from_array(y, sizeof(y));
return s_test_key_derivation(allocator, AWS_CAL_ECDSA_P384, private_key, pub_x, pub_y);
}
AWS_TEST_CASE(ecdsa_p384_test_pub_key_derivation, s_ecdsa_p384_test_pub_key_derivation_fn)
static int s_test_known_signing_value(
struct aws_allocator *allocator,
enum aws_ecc_curve_name curve_name,
struct aws_byte_cursor private_key,
struct aws_byte_cursor pub_x,
struct aws_byte_cursor pub_y) {
aws_cal_library_init(allocator);
struct aws_ecc_key_pair *signing_key = aws_ecc_key_pair_new_from_private_key(allocator, curve_name, &private_key);
ASSERT_NOT_NULL(signing_key);
struct aws_ecc_key_pair *verifying_key =
aws_ecc_key_pair_new_from_public_key(allocator, curve_name, &pub_x, &pub_y);
ASSERT_NOT_NULL(verifying_key);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
size_t signature_size = aws_ecc_key_pair_signature_length(signing_key);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(signing_key, &hash_cur, &signature_buf));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(verifying_key, &hash_cur, &signature_cur));
aws_byte_buf_clean_up(&signature_buf);
aws_ecc_key_pair_release(verifying_key);
aws_ecc_key_pair_release(signing_key);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
static int s_ecdsa_p256_test_known_signing_value_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
uint8_t d[] = {
0x51, 0x9b, 0x42, 0x3d, 0x71, 0x5f, 0x8b, 0x58, 0x1f, 0x4f, 0xa8, 0xee, 0x59, 0xf4, 0x77, 0x1a,
0x5b, 0x44, 0xc8, 0x13, 0x0b, 0x4e, 0x3e, 0xac, 0xca, 0x54, 0xa5, 0x6d, 0xda, 0x72, 0xb4, 0x64,
};
struct aws_byte_cursor private_key = aws_byte_cursor_from_array(d, sizeof(d));
uint8_t x[] = {
0x1c, 0xcb, 0xe9, 0x1c, 0x07, 0x5f, 0xc7, 0xf4, 0xf0, 0x33, 0xbf, 0xa2, 0x48, 0xdb, 0x8f, 0xcc,
0xd3, 0x56, 0x5d, 0xe9, 0x4b, 0xbf, 0xb1, 0x2f, 0x3c, 0x59, 0xff, 0x46, 0xc2, 0x71, 0xbf, 0x83,
};
uint8_t y[] = {
0xce, 0x40, 0x14, 0xc6, 0x88, 0x11, 0xf9, 0xa2, 0x1a, 0x1f, 0xdb, 0x2c, 0x0e, 0x61, 0x13, 0xe0,
0x6d, 0xb7, 0xca, 0x93, 0xb7, 0x40, 0x4e, 0x78, 0xdc, 0x7c, 0xcd, 0x5c, 0xa8, 0x9a, 0x4c, 0xa9,
};
struct aws_byte_cursor pub_x = aws_byte_cursor_from_array(x, sizeof(x));
struct aws_byte_cursor pub_y = aws_byte_cursor_from_array(y, sizeof(y));
return s_test_known_signing_value(allocator, AWS_CAL_ECDSA_P256, private_key, pub_x, pub_y);
}
AWS_TEST_CASE(ecdsa_p256_test_known_signing_value, s_ecdsa_p256_test_known_signing_value_fn)
static int s_ecdsa_p384_test_known_signing_value_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
uint8_t d[] = {
0x53, 0x94, 0xf7, 0x97, 0x3e, 0xa8, 0x68, 0xc5, 0x2b, 0xf3, 0xff, 0x8d, 0x8c, 0xee, 0xb4, 0xdb,
0x90, 0xa6, 0x83, 0x65, 0x3b, 0x12, 0x48, 0x5d, 0x5f, 0x62, 0x7c, 0x3c, 0xe5, 0xab, 0xd8, 0x97,
0x8f, 0xc9, 0x67, 0x3d, 0x14, 0xa7, 0x1d, 0x92, 0x57, 0x47, 0x93, 0x16, 0x62, 0x49, 0x3c, 0x37,
};
struct aws_byte_cursor private_key = aws_byte_cursor_from_array(d, sizeof(d));
uint8_t x[] = {
0xfd, 0x3c, 0x84, 0xe5, 0x68, 0x9b, 0xed, 0x27, 0x0e, 0x60, 0x1b, 0x3d, 0x80, 0xf9, 0x0d, 0x67,
0xa9, 0xae, 0x45, 0x1c, 0xce, 0x89, 0x0f, 0x53, 0xe5, 0x83, 0x22, 0x9a, 0xd0, 0xe2, 0xee, 0x64,
0x56, 0x11, 0xfa, 0x99, 0x36, 0xdf, 0xa4, 0x53, 0x06, 0xec, 0x18, 0x06, 0x67, 0x74, 0xaa, 0x24,
};
struct aws_byte_cursor pub_x = aws_byte_cursor_from_array(x, sizeof(x));
uint8_t y[] = {
0xb8, 0x3c, 0xa4, 0x12, 0x6c, 0xfc, 0x4c, 0x4d, 0x1d, 0x18, 0xa4, 0xb6, 0xc2, 0x1c, 0x7f, 0x69,
0x9d, 0x51, 0x23, 0xdd, 0x9c, 0x24, 0xf6, 0x6f, 0x83, 0x38, 0x46, 0xee, 0xb5, 0x82, 0x96, 0x19,
0x6b, 0x42, 0xec, 0x06, 0x42, 0x5d, 0xb5, 0xb7, 0x0a, 0x4b, 0x81, 0xb7, 0xfc, 0xf7, 0x05, 0xa0,
};
struct aws_byte_cursor pub_y = aws_byte_cursor_from_array(y, sizeof(y));
return s_test_known_signing_value(allocator, AWS_CAL_ECDSA_P384, private_key, pub_x, pub_y);
}
AWS_TEST_CASE(ecdsa_p384_test_known_signing_value, s_ecdsa_p384_test_known_signing_value_fn)
static int s_ecdsa_test_invalid_signature_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
struct aws_ecc_key_pair *key_pair = aws_ecc_key_pair_new_generate_random(allocator, AWS_CAL_ECDSA_P256);
ASSERT_NOT_NULL(key_pair);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
size_t signature_size = aws_ecc_key_pair_signature_length(key_pair);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(key_pair, &hash_cur, &signature_buf));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
/* just flip some bits in the signature. */
uint8_t value_to_flip = signature_buf.buffer[15];
signature_buf.buffer[15] = value_to_flip == 0 ? 0x0a : ~(value_to_flip);
ASSERT_ERROR(
AWS_ERROR_CAL_SIGNATURE_VALIDATION_FAILED,
aws_ecc_key_pair_verify_signature(key_pair, &hash_cur, &signature_cur));
aws_byte_buf_clean_up(&signature_buf);
aws_ecc_key_pair_release(key_pair);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecdsa_test_invalid_signature, s_ecdsa_test_invalid_signature_fn)
static int s_test_key_gen(struct aws_allocator *allocator, enum aws_ecc_curve_name curve_name) {
aws_cal_library_init(allocator);
struct aws_ecc_key_pair *key_pair = aws_ecc_key_pair_new_generate_random(allocator, curve_name);
struct aws_byte_cursor pub_x;
struct aws_byte_cursor pub_y;
aws_ecc_key_pair_get_public_key(key_pair, &pub_x, &pub_y);
ASSERT_TRUE(pub_x.len > 0);
ASSERT_TRUE(pub_y.len > 0);
struct aws_byte_cursor priv_d;
aws_ecc_key_pair_get_private_key(key_pair, &priv_d);
ASSERT_TRUE(priv_d.len > 0);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
size_t signature_size = aws_ecc_key_pair_signature_length(key_pair);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(key_pair, &hash_cur, &signature_buf));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(key_pair, &hash_cur, &signature_cur));
aws_byte_buf_clean_up(&signature_buf);
aws_ecc_key_pair_release(key_pair);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
static int s_ecdsa_p256_test_key_gen_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
return s_test_key_gen(allocator, AWS_CAL_ECDSA_P256);
}
AWS_TEST_CASE(ecdsa_p256_test_key_gen, s_ecdsa_p256_test_key_gen_fn)
static int s_ecdsa_p384_test_key_gen_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
return s_test_key_gen(allocator, AWS_CAL_ECDSA_P384);
}
AWS_TEST_CASE(ecdsa_p384_test_key_gen, s_ecdsa_p384_test_key_gen_fn)
static int s_test_key_gen_export(struct aws_allocator *allocator, enum aws_ecc_curve_name curve_name) {
aws_cal_library_init(allocator);
struct aws_ecc_key_pair *key_pair = aws_ecc_key_pair_new_generate_random(allocator, curve_name);
struct aws_byte_cursor pub_x;
struct aws_byte_cursor pub_y;
aws_ecc_key_pair_get_public_key(key_pair, &pub_x, &pub_y);
ASSERT_TRUE(pub_x.len > 0);
ASSERT_TRUE(pub_y.len > 0);
struct aws_byte_cursor priv_d;
aws_ecc_key_pair_get_private_key(key_pair, &priv_d);
ASSERT_TRUE(priv_d.len > 0);
/*
* The private key we get back from the randomly generated key may be shorter than we expect since it's
* minimally encoded. In that case we have to pad it out to satisfy the key length invariant.
*/
size_t curve_private_key_length = aws_ecc_key_coordinate_byte_size_from_curve_name(curve_name);
struct aws_byte_buf padded_priv_d;
aws_byte_buf_init(&padded_priv_d, allocator, curve_private_key_length);
aws_byte_buf_secure_zero(&padded_priv_d);
if (priv_d.len < curve_private_key_length) {
padded_priv_d.len = curve_private_key_length - priv_d.len;
}
ASSERT_SUCCESS(aws_byte_buf_append(&padded_priv_d, &priv_d));
struct aws_byte_cursor padded_priv_d_cursor = aws_byte_cursor_from_buf(&padded_priv_d);
struct aws_ecc_key_pair *signing_key =
aws_ecc_key_pair_new_from_private_key(allocator, curve_name, &padded_priv_d_cursor);
ASSERT_NOT_NULL(signing_key);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
size_t signature_size = aws_ecc_key_pair_signature_length(key_pair);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(signing_key, &hash_cur, &signature_buf));
struct aws_ecc_key_pair *verifying_key =
aws_ecc_key_pair_new_from_public_key(allocator, curve_name, &pub_x, &pub_y);
ASSERT_NOT_NULL(verifying_key);
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(verifying_key, &hash_cur, &signature_cur));
aws_byte_buf_clean_up(&signature_buf);
aws_byte_buf_clean_up(&padded_priv_d);
aws_ecc_key_pair_release(key_pair);
aws_ecc_key_pair_release(signing_key);
aws_ecc_key_pair_release(verifying_key);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
static int s_ecdsa_p256_test_key_gen_export_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
return s_test_key_gen_export(allocator, AWS_CAL_ECDSA_P256);
}
AWS_TEST_CASE(ecdsa_p256_test_key_gen_export, s_ecdsa_p256_test_key_gen_export_fn)
static int s_ecdsa_p384_test_key_gen_export_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
return s_test_key_gen_export(allocator, AWS_CAL_ECDSA_P256);
}
AWS_TEST_CASE(ecdsa_p384_test_key_gen_export, s_ecdsa_p384_test_key_gen_export_fn)
static int s_ecdsa_test_import_asn1_key_pair(
struct aws_allocator *allocator,
struct aws_byte_cursor asn1_cur,
enum aws_ecc_curve_name expected_curve_name) {
aws_cal_library_init(allocator);
struct aws_ecc_key_pair *imported_key = aws_ecc_key_pair_new_from_asn1(allocator, &asn1_cur);
ASSERT_NOT_NULL(imported_key);
ASSERT_INT_EQUALS(expected_curve_name, imported_key->curve_name);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
size_t signature_size = aws_ecc_key_pair_signature_length(imported_key);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(imported_key, &hash_cur, &signature_buf));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(imported_key, &hash_cur, &signature_cur));
aws_byte_buf_clean_up(&signature_buf);
aws_ecc_key_pair_release(imported_key);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
static int s_ecdsa_p256_test_import_asn1_key_pair_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
uint8_t asn1_encoded_key_raw[] = {
0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x78, 0xed, 0xed, 0xcf, 0x95, 0x9e, 0x42, 0x24, 0x37, 0xa4, 0x56,
0xed, 0x08, 0x19, 0x3c, 0x53, 0x4b, 0x6f, 0xff, 0x40, 0x64, 0x48, 0x6a, 0x49, 0x86, 0x0c, 0xb7, 0x0a, 0xe5,
0x2d, 0xbd, 0xd6, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0xa1, 0x44, 0x03,
0x42, 0x00, 0x04, 0xbf, 0x61, 0x63, 0x46, 0x93, 0x2d, 0x00, 0x33, 0x19, 0xe3, 0x3a, 0x19, 0xc6, 0xc8, 0x55,
0xf5, 0xc8, 0x44, 0x91, 0xe9, 0x9b, 0x83, 0x36, 0x67, 0x5d, 0x25, 0x0d, 0x7b, 0xe0, 0xc0, 0xf1, 0xd2, 0xaa,
0x5c, 0xdf, 0xfb, 0xa9, 0x37, 0x19, 0x8d, 0x82, 0x47, 0x28, 0x88, 0xbe, 0x46, 0x7f, 0x3c, 0xcd, 0x41, 0xaa,
0x08, 0x9a, 0x37, 0x0d, 0x61, 0x7f, 0x5f, 0xeb, 0x9f, 0x55, 0xf7, 0x54, 0xda, 0x0a,
};
struct aws_byte_cursor asn1_encoded_key =
aws_byte_cursor_from_array(asn1_encoded_key_raw, sizeof(asn1_encoded_key_raw));
return s_ecdsa_test_import_asn1_key_pair(allocator, asn1_encoded_key, AWS_CAL_ECDSA_P256);
}
AWS_TEST_CASE(ecdsa_p256_test_import_asn1_key_pair, s_ecdsa_p256_test_import_asn1_key_pair_fn)
static int s_ecdsa_p384_test_import_asn1_key_pair_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
uint8_t asn1_encoded_key_raw[] = {
0x30, 0x81, 0xa4, 0x02, 0x01, 0x01, 0x04, 0x30, 0xa4, 0x4e, 0x2c, 0xf8, 0x6a, 0xfd, 0x42, 0x0e, 0xd4,
0xbb, 0x2d, 0x08, 0xe2, 0x35, 0xe7, 0xb2, 0xc7, 0x87, 0x37, 0xbc, 0x92, 0xc2, 0x9a, 0x84, 0x39, 0x99,
0x24, 0xe3, 0xa3, 0x01, 0x8c, 0xa0, 0xc1, 0x34, 0xd7, 0x8d, 0x86, 0xa1, 0x8c, 0xe1, 0xe4, 0x3e, 0xd1,
0xe3, 0xff, 0x8b, 0xa4, 0x1d, 0xa0, 0x07, 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22, 0xa1, 0x64, 0x03,
0x62, 0x00, 0x04, 0x89, 0x64, 0x99, 0x1e, 0x1e, 0xa3, 0x6e, 0x30, 0x5e, 0xb1, 0x00, 0xef, 0x51, 0x0e,
0x78, 0xc6, 0x7a, 0x2f, 0x1d, 0x21, 0x65, 0xe2, 0x68, 0xfa, 0x22, 0x5f, 0x1c, 0x8e, 0x00, 0xdc, 0x74,
0xa6, 0x97, 0x7d, 0x73, 0xb3, 0x05, 0x00, 0xfd, 0xf5, 0x52, 0x85, 0xd8, 0x81, 0x62, 0x6c, 0x0a, 0x04,
0xf4, 0xaa, 0x39, 0xe0, 0x2b, 0x05, 0x29, 0xd1, 0x70, 0x8a, 0x42, 0x44, 0x9a, 0xe7, 0xed, 0xec, 0x3a,
0x52, 0x06, 0x24, 0x67, 0x35, 0x27, 0x6b, 0x80, 0x7c, 0xda, 0xc5, 0xe9, 0x97, 0xfa, 0x1d, 0xd4, 0x0c,
0x27, 0x54, 0xed, 0x97, 0xe6, 0xbd, 0xe0, 0xaf, 0xff, 0xaa, 0xb9, 0x63, 0xf3, 0x21, 0x0a,
};
struct aws_byte_cursor asn1_encoded_key =
aws_byte_cursor_from_array(asn1_encoded_key_raw, sizeof(asn1_encoded_key_raw));
return s_ecdsa_test_import_asn1_key_pair(allocator, asn1_encoded_key, AWS_CAL_ECDSA_P384);
}
AWS_TEST_CASE(ecdsa_p384_test_import_asn1_key_pair, s_ecdsa_p384_test_import_asn1_key_pair_fn)
static int s_ecdsa_test_import_asn1_key_pair_public_only_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
uint8_t asn1_encoded_full_key_raw[] = {
0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x99, 0x16, 0x2a, 0x5b, 0x4e, 0x63, 0x86, 0x4c, 0x5f, 0x8e, 0x37,
0xf7, 0x2b, 0xbd, 0x97, 0x1d, 0x5c, 0x68, 0x80, 0x18, 0xc3, 0x91, 0x0f, 0xb3, 0xc3, 0xf9, 0x3a, 0xc9, 0x7a,
0x4b, 0xa3, 0xf6, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0xa1, 0x44, 0x03,
0x42, 0x00, 0x04, 0xec, 0x6c, 0xd7, 0x4b, 0xdc, 0x33, 0xc2, 0x56, 0x32, 0xad, 0x52, 0x56, 0xac, 0xf5, 0xf0,
0xe6, 0x28, 0x99, 0x84, 0x83, 0xaf, 0x73, 0x6f, 0xfe, 0xd7, 0x83, 0x3b, 0x42, 0x81, 0x5d, 0x2e, 0xe0, 0xdb,
0xf6, 0xac, 0xa4, 0xc6, 0x16, 0x7e, 0x3e, 0xe0, 0xff, 0x7b, 0x43, 0xe8, 0xa1, 0x36, 0x50, 0x92, 0x83, 0x06,
0x94, 0xb3, 0xd4, 0x93, 0x06, 0xde, 0x63, 0x8a, 0xa1, 0x1c, 0x3f, 0xb2, 0x57, 0x0a,
};
uint8_t asn1_encoded_pub_key_raw[] = {
0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a,
0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0xec, 0x6c, 0xd7, 0x4b, 0xdc,
0x33, 0xc2, 0x56, 0x32, 0xad, 0x52, 0x56, 0xac, 0xf5, 0xf0, 0xe6, 0x28, 0x99, 0x84, 0x83, 0xaf,
0x73, 0x6f, 0xfe, 0xd7, 0x83, 0x3b, 0x42, 0x81, 0x5d, 0x2e, 0xe0, 0xdb, 0xf6, 0xac, 0xa4, 0xc6,
0x16, 0x7e, 0x3e, 0xe0, 0xff, 0x7b, 0x43, 0xe8, 0xa1, 0x36, 0x50, 0x92, 0x83, 0x06, 0x94, 0xb3,
0xd4, 0x93, 0x06, 0xde, 0x63, 0x8a, 0xa1, 0x1c, 0x3f, 0xb2, 0x57, 0x0a,
};
struct aws_byte_cursor full_key_asn1 =
aws_byte_cursor_from_array(asn1_encoded_full_key_raw, sizeof(asn1_encoded_full_key_raw));
struct aws_byte_cursor pub_key_asn1 =
aws_byte_cursor_from_array(asn1_encoded_pub_key_raw, sizeof(asn1_encoded_pub_key_raw));
struct aws_ecc_key_pair *signing_key = aws_ecc_key_pair_new_from_asn1(allocator, &full_key_asn1);
ASSERT_NOT_NULL(signing_key);
struct aws_ecc_key_pair *verifying_key = aws_ecc_key_pair_new_from_asn1(allocator, &pub_key_asn1);
ASSERT_NOT_NULL(verifying_key);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
size_t signature_size = aws_ecc_key_pair_signature_length(signing_key);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(signing_key, &hash_cur, &signature_buf));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(verifying_key, &hash_cur, &signature_cur));
aws_byte_buf_clean_up(&signature_buf);
aws_ecc_key_pair_release(verifying_key);
aws_ecc_key_pair_release(signing_key);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecdsa_test_import_asn1_key_pair_public_only, s_ecdsa_test_import_asn1_key_pair_public_only_fn)
static int s_ecdsa_test_import_asn1_key_pair_invalid_fails_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
/* I changed the OID to nonsense */
uint8_t bad_asn1_encoded_full_key_raw[] = {
0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x99, 0x16, 0x2a, 0x5b, 0x4e, 0x63, 0x86, 0x4c, 0x5f, 0x8e, 0x37,
0xf7, 0x2b, 0xbd, 0x97, 0x1d, 0x5c, 0x68, 0x80, 0x18, 0xc3, 0x91, 0x0f, 0xb3, 0xc3, 0xf9, 0x3a, 0xc9, 0x7a,
0x4b, 0xa3, 0xf6, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x8a, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0xa1, 0x44, 0x03,
0x42, 0x00, 0x04, 0xec, 0x6c, 0xd7, 0x4b, 0xdc, 0x33, 0xc2, 0x56, 0x32, 0xad, 0x52, 0x56, 0xac, 0xf5, 0xf0,
0xe6, 0x28, 0x99, 0x84, 0x83, 0xaf, 0x73, 0x6f, 0xfe, 0xd7, 0x83, 0x3b, 0x42, 0x81, 0x5d, 0x2e, 0xe0, 0xdb,
0xf6, 0xac, 0xa4, 0xc6, 0x16, 0x7e, 0x3e, 0xe0, 0xff, 0x7b, 0x43, 0xe8, 0xa1, 0x36, 0x50, 0x92, 0x83, 0x06,
0x94, 0xb3, 0xd4, 0x93, 0x06, 0xde, 0x63, 0x8a, 0xa1, 0x1c, 0x3f, 0xb2, 0x57, 0x0a,
};
struct aws_byte_cursor bad_full_key_asn1 =
aws_byte_cursor_from_array(bad_asn1_encoded_full_key_raw, sizeof(bad_asn1_encoded_full_key_raw));
struct aws_ecc_key_pair *signing_key = aws_ecc_key_pair_new_from_asn1(allocator, &bad_full_key_asn1);
ASSERT_NULL(signing_key);
ASSERT_INT_EQUALS(AWS_ERROR_CAL_UNKNOWN_OBJECT_IDENTIFIER, aws_last_error());
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecdsa_test_import_asn1_key_pair_invalid_fails, s_ecdsa_test_import_asn1_key_pair_invalid_fails_fn)
/* this test exists because we have to manually handle signature encoding/decoding on windows.
this takes an encoded signature and makes sure we decode and verify it properly. How do we know
we encode properly b.t.w? Well we have tests that verify signatures we generated, so we already know
that anything we signed can be decoded. What we don't have proven is that we're not just symetrically
wrong. So, let's take the format we know signatures must be in ASN.1 DER encoded, and make sure we can
verify it. Since we KNOW the signing and verifying code is symetric, verifying the verification side should
prove our encoding/decoding code is correct to the spec. */
static int s_ecdsa_test_signature_format_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
uint8_t asn1_encoded_signature_raw[] = {
0x30, 0x45, 0x02, 0x21, 0x00, 0xd7, 0xc5, 0xb9, 0x9e, 0x0b, 0xb1, 0x1a, 0x1f, 0x32, 0xda, 0x66, 0xe0, 0xff,
0x59, 0xb7, 0x8a, 0x5e, 0xb3, 0x94, 0x9c, 0x23, 0xb3, 0xfc, 0x1f, 0x18, 0xcc, 0xf6, 0x61, 0x67, 0x8b, 0xf1,
0xc1, 0x02, 0x20, 0x26, 0x4d, 0x8b, 0x7c, 0xaa, 0x52, 0x4c, 0xc0, 0x2e, 0x5f, 0xf6, 0x7e, 0x24, 0x82, 0xe5,
0xfb, 0xcb, 0xc7, 0x9b, 0x83, 0x0d, 0x19, 0x7e, 0x7a, 0x40, 0x37, 0x87, 0xdd, 0x1c, 0x93, 0x13, 0xc4,
};
uint8_t x[] = {
0x1c, 0xcb, 0xe9, 0x1c, 0x07, 0x5f, 0xc7, 0xf4, 0xf0, 0x33, 0xbf, 0xa2, 0x48, 0xdb, 0x8f, 0xcc,
0xd3, 0x56, 0x5d, 0xe9, 0x4b, 0xbf, 0xb1, 0x2f, 0x3c, 0x59, 0xff, 0x46, 0xc2, 0x71, 0xbf, 0x83,
};
uint8_t y[] = {
0xce, 0x40, 0x14, 0xc6, 0x88, 0x11, 0xf9, 0xa2, 0x1a, 0x1f, 0xdb, 0x2c, 0x0e, 0x61, 0x13, 0xe0,
0x6d, 0xb7, 0xca, 0x93, 0xb7, 0x40, 0x4e, 0x78, 0xdc, 0x7c, 0xcd, 0x5c, 0xa8, 0x9a, 0x4c, 0xa9,
};
struct aws_byte_cursor pub_x = aws_byte_cursor_from_array(x, sizeof(x));
struct aws_byte_cursor pub_y = aws_byte_cursor_from_array(y, sizeof(y));
struct aws_ecc_key_pair *verifying_key =
aws_ecc_key_pair_new_from_public_key(allocator, AWS_CAL_ECDSA_P256, &pub_x, &pub_y);
ASSERT_NOT_NULL(verifying_key);
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
struct aws_byte_buf signature_buf =
aws_byte_buf_from_array(asn1_encoded_signature_raw, sizeof(asn1_encoded_signature_raw));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(verifying_key, &hash_cur, &signature_cur));
aws_ecc_key_pair_release(verifying_key);
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecdsa_test_signature_format, s_ecdsa_test_signature_format_fn)
enum aws_ecc_key_check_flags {
AWS_ECC_KCF_PUBLIC = 1,
AWS_ECC_KCF_PRIVATE = 2,
};
static int s_check_cursor_data(struct aws_byte_cursor *cursor) {
ASSERT_TRUE(cursor->ptr != NULL && cursor->len > 0 && (*cursor->ptr == 0 || *cursor->ptr != 0));
return AWS_OP_SUCCESS;
}
/*
* The assumption here is that if a key has been released then we zeroed key-related memory and so we should either
* crash (referencing freed memory) or get back empty data.
*/
static int s_test_key_ref_counting(struct aws_ecc_key_pair *key_pair, enum aws_ecc_key_check_flags flags) {
aws_ecc_key_pair_acquire(key_pair);
aws_ecc_key_pair_release(key_pair);
aws_ecc_key_pair_acquire(key_pair);
aws_ecc_key_pair_acquire(key_pair);
aws_ecc_key_pair_release(key_pair);
aws_ecc_key_pair_release(key_pair);
if (flags & AWS_ECC_KCF_PRIVATE) {
struct aws_byte_cursor private_key_cursor;
AWS_ZERO_STRUCT(private_key_cursor);
aws_ecc_key_pair_get_private_key(key_pair, &private_key_cursor);
ASSERT_SUCCESS(s_check_cursor_data(&private_key_cursor));
}
if (flags & AWS_ECC_KCF_PUBLIC) {
struct aws_byte_cursor pub_x;
AWS_ZERO_STRUCT(pub_x);
struct aws_byte_cursor pub_y;
AWS_ZERO_STRUCT(pub_y);
aws_ecc_key_pair_get_public_key(key_pair, &pub_x, &pub_y);
ASSERT_SUCCESS(s_check_cursor_data(&pub_x));
ASSERT_SUCCESS(s_check_cursor_data(&pub_y));
}
aws_ecc_key_pair_release(key_pair);
return AWS_OP_SUCCESS;
}
static int s_ecc_key_pair_random_ref_count_test(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
struct aws_ecc_key_pair *key_pair = aws_ecc_key_pair_new_generate_random(allocator, AWS_CAL_ECDSA_P256);
ASSERT_NOT_NULL(key_pair);
int result = s_test_key_ref_counting(key_pair, AWS_ECC_KCF_PUBLIC | AWS_ECC_KCF_PRIVATE);
aws_cal_library_clean_up();
return result;
}
AWS_TEST_CASE(ecc_key_pair_random_ref_count_test, s_ecc_key_pair_random_ref_count_test)
static int s_ecc_key_pair_public_ref_count_test(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
uint8_t x[] = {
0x1c, 0xcb, 0xe9, 0x1c, 0x07, 0x5f, 0xc7, 0xf4, 0xf0, 0x33, 0xbf, 0xa2, 0x48, 0xdb, 0x8f, 0xcc,
0xd3, 0x56, 0x5d, 0xe9, 0x4b, 0xbf, 0xb1, 0x2f, 0x3c, 0x59, 0xff, 0x46, 0xc2, 0x71, 0xbf, 0x83,
};
uint8_t y[] = {
0xce, 0x40, 0x14, 0xc6, 0x88, 0x11, 0xf9, 0xa2, 0x1a, 0x1f, 0xdb, 0x2c, 0x0e, 0x61, 0x13, 0xe0,
0x6d, 0xb7, 0xca, 0x93, 0xb7, 0x40, 0x4e, 0x78, 0xdc, 0x7c, 0xcd, 0x5c, 0xa8, 0x9a, 0x4c, 0xa9,
};
struct aws_byte_cursor pub_x = aws_byte_cursor_from_array(x, sizeof(x));
struct aws_byte_cursor pub_y = aws_byte_cursor_from_array(y, sizeof(y));
struct aws_ecc_key_pair *key_pair =
aws_ecc_key_pair_new_from_public_key(allocator, AWS_CAL_ECDSA_P256, &pub_x, &pub_y);
ASSERT_NOT_NULL(key_pair);
int result = s_test_key_ref_counting(key_pair, AWS_ECC_KCF_PUBLIC);
aws_cal_library_clean_up();
return result;
}
AWS_TEST_CASE(ecc_key_pair_public_ref_count_test, s_ecc_key_pair_public_ref_count_test)
static int s_ecc_key_pair_asn1_ref_count_test(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
uint8_t asn1_encoded_full_key_raw[] = {
0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x99, 0x16, 0x2a, 0x5b, 0x4e, 0x63, 0x86, 0x4c, 0x5f, 0x8e, 0x37,
0xf7, 0x2b, 0xbd, 0x97, 0x1d, 0x5c, 0x68, 0x80, 0x18, 0xc3, 0x91, 0x0f, 0xb3, 0xc3, 0xf9, 0x3a, 0xc9, 0x7a,
0x4b, 0xa3, 0xf6, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0xa1, 0x44, 0x03,
0x42, 0x00, 0x04, 0xec, 0x6c, 0xd7, 0x4b, 0xdc, 0x33, 0xc2, 0x56, 0x32, 0xad, 0x52, 0x56, 0xac, 0xf5, 0xf0,
0xe6, 0x28, 0x99, 0x84, 0x83, 0xaf, 0x73, 0x6f, 0xfe, 0xd7, 0x83, 0x3b, 0x42, 0x81, 0x5d, 0x2e, 0xe0, 0xdb,
0xf6, 0xac, 0xa4, 0xc6, 0x16, 0x7e, 0x3e, 0xe0, 0xff, 0x7b, 0x43, 0xe8, 0xa1, 0x36, 0x50, 0x92, 0x83, 0x06,
0x94, 0xb3, 0xd4, 0x93, 0x06, 0xde, 0x63, 0x8a, 0xa1, 0x1c, 0x3f, 0xb2, 0x57, 0x0a,
};
struct aws_byte_cursor full_key_asn1 =
aws_byte_cursor_from_array(asn1_encoded_full_key_raw, sizeof(asn1_encoded_full_key_raw));
struct aws_ecc_key_pair *key_pair = aws_ecc_key_pair_new_from_asn1(allocator, &full_key_asn1);
ASSERT_NOT_NULL(key_pair);
int result = s_test_key_ref_counting(key_pair, AWS_ECC_KCF_PUBLIC | AWS_ECC_KCF_PRIVATE);
aws_cal_library_clean_up();
return result;
}
AWS_TEST_CASE(ecc_key_pair_asn1_ref_count_test, s_ecc_key_pair_asn1_ref_count_test)
static int s_ecc_key_pair_private_ref_count_test(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
uint8_t d[] = {
0xc9, 0x80, 0x68, 0x98, 0xa0, 0x33, 0x49, 0x16, 0xc8, 0x60, 0x74, 0x88, 0x80, 0xa5, 0x41, 0xf0,
0x93, 0xb5, 0x79, 0xa9, 0xb1, 0xf3, 0x29, 0x34, 0xd8, 0x6c, 0x36, 0x3c, 0x39, 0x80, 0x03, 0x57,
};
struct aws_byte_cursor private_key_cursor = aws_byte_cursor_from_array(d, sizeof(d));
struct aws_ecc_key_pair *key_pair =
aws_ecc_key_pair_new_from_private_key(allocator, AWS_CAL_ECDSA_P256, &private_key_cursor);
ASSERT_NOT_NULL(key_pair);
int result = s_test_key_ref_counting(key_pair, AWS_ECC_KCF_PRIVATE);
aws_cal_library_clean_up();
return result;
}
AWS_TEST_CASE(ecc_key_pair_private_ref_count_test, s_ecc_key_pair_private_ref_count_test)
/*
Message, signature, and key values for a correct signature that contains a coordinate that is < 32 bytes long in the
der encoding. This was an issue on windows where we have to unpack the coordinates and pass them to BCrypt and
weren't padding them with leading zeros.
*/
AWS_STATIC_STRING_FROM_LITERAL(s_hex_message, "a8ddb188e516d365ba275c2b6d55ead851e89ab66f162adf29614f37cd3403c9");
AWS_STATIC_STRING_FROM_LITERAL(
s_signature_value,
"3044021f7cfd51af2b722f8d1fa1afb65b4d5486ed59a67bcf9f3acc62aad6ddd37db10221009d4c9f9a37104fc01a8daffc9a6bd1056b7b43"
"c1196edde0b52878b759628f8c");
AWS_STATIC_STRING_FROM_LITERAL(s_pub_x, "b6618f6a65740a99e650b33b6b4b5bd0d43b176d721a3edfea7e7d2d56d936b1");
AWS_STATIC_STRING_FROM_LITERAL(s_pub_y, "865ed22a7eadc9c5cb9d2cbaca1b3699139fedc5043dc6661864218330c8e518");
static int s_validate_message_signature(
struct aws_allocator *allocator,
struct aws_ecc_key_pair *ecc_key,
struct aws_byte_cursor hex_message_cursor,
struct aws_byte_cursor signature_value_cursor) {
size_t binary_length = 0;
if (aws_hex_compute_decoded_len(signature_value_cursor.len, &binary_length)) {
return AWS_OP_ERR;
}
int result = AWS_OP_ERR;
struct aws_byte_buf binary_signature;
AWS_ZERO_STRUCT(binary_signature);
struct aws_byte_buf message_buffer;
AWS_ZERO_STRUCT(message_buffer);
if (aws_byte_buf_init(&binary_signature, allocator, binary_length) ||
aws_byte_buf_init(&message_buffer, allocator, AWS_SHA256_LEN)) {
goto done;
}
if (aws_hex_decode(&signature_value_cursor, &binary_signature)) {
goto done;
}
if (aws_hex_decode(&hex_message_cursor, &message_buffer)) {
goto done;
}
struct aws_byte_cursor binary_signature_cursor =
aws_byte_cursor_from_array(binary_signature.buffer, binary_signature.len);
struct aws_byte_cursor digest_cursor = aws_byte_cursor_from_buf(&message_buffer);
if (aws_ecc_key_pair_verify_signature(ecc_key, &digest_cursor, &binary_signature_cursor)) {
goto done;
}
result = AWS_OP_SUCCESS;
done:
aws_byte_buf_clean_up(&binary_signature);
aws_byte_buf_clean_up(&message_buffer);
return result;
}
static int s_ecdsa_p256_test_small_coordinate_verification(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
struct aws_ecc_key_pair *key = aws_ecc_key_new_from_hex_coordinates(
allocator, AWS_CAL_ECDSA_P256, aws_byte_cursor_from_string(s_pub_x), aws_byte_cursor_from_string(s_pub_y));
ASSERT_SUCCESS(s_validate_message_signature(
allocator, key, aws_byte_cursor_from_string(s_hex_message), aws_byte_cursor_from_string(s_signature_value)));
aws_ecc_key_pair_release(key);
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecdsa_p256_test_small_coordinate_verification, s_ecdsa_p256_test_small_coordinate_verification);
#ifdef AWS_OS_APPLE
static int s_test_key_gen_from_private_fuzz(
struct aws_allocator *allocator,
enum aws_ecc_curve_name curve_name,
size_t number_loop) {
uint8_t message[] = {
0x59, 0x05, 0x23, 0x88, 0x77, 0xc7, 0x74, 0x21, 0xf7, 0x3e, 0x43, 0xee, 0x3d, 0xa6, 0xf2, 0xd9,
0xe2, 0xcc, 0xad, 0x5f, 0xc9, 0x42, 0xdc, 0xec, 0x0c, 0xbd, 0x25, 0x48, 0x29, 0x35, 0xfa, 0xaf,
0x41, 0x69, 0x83, 0xfe, 0x16, 0x5b, 0x1a, 0x04, 0x5e, 0xe2, 0xbc, 0xd2, 0xe6, 0xdc, 0xa3, 0xbd,
0xf4, 0x6c, 0x43, 0x10, 0xa7, 0x46, 0x1f, 0x9a, 0x37, 0x96, 0x0c, 0xa6, 0x72, 0xd3, 0xfe, 0xb5,
0x47, 0x3e, 0x25, 0x36, 0x05, 0xfb, 0x1d, 0xdf, 0xd2, 0x80, 0x65, 0xb5, 0x3c, 0xb5, 0x85, 0x8a,
0x8a, 0xd2, 0x81, 0x75, 0xbf, 0x9b, 0xd3, 0x86, 0xa5, 0xe4, 0x71, 0xea, 0x7a, 0x65, 0xc1, 0x7c,
0xc9, 0x34, 0xa9, 0xd7, 0x91, 0xe9, 0x14, 0x91, 0xeb, 0x37, 0x54, 0xd0, 0x37, 0x99, 0x79, 0x0f,
0xe2, 0xd3, 0x08, 0xd1, 0x61, 0x46, 0xd5, 0xc9, 0xb0, 0xd0, 0xde, 0xbd, 0x97, 0xd7, 0x9c, 0xe8,
};
struct aws_byte_cursor message_input = aws_byte_cursor_from_array(message, sizeof(message));
uint8_t hash[AWS_SHA256_LEN];
AWS_ZERO_ARRAY(hash);
struct aws_byte_buf hash_value = aws_byte_buf_from_empty_array(hash, sizeof(hash));
struct aws_byte_cursor hash_cur = aws_byte_cursor_from_buf(&hash_value);
aws_sha256_compute(allocator, &message_input, &hash_value, 0);
for (size_t i = 0; i < number_loop; i++) {
struct aws_ecc_key_pair *key_pair = aws_ecc_key_pair_new_generate_random(allocator, curve_name);
struct aws_byte_cursor priv_d;
aws_ecc_key_pair_get_private_key(key_pair, &priv_d);
ASSERT_TRUE(priv_d.len > 0);
struct aws_ecc_key_pair *key_pair_private =
aws_ecc_key_pair_new_from_private_key(allocator, curve_name, &priv_d);
ASSERT_NOT_NULL(key_pair_private);
struct aws_byte_cursor pub_x;
struct aws_byte_cursor pub_y;
aws_ecc_key_pair_get_public_key(key_pair_private, &pub_x, &pub_y);
ASSERT_UINT_EQUALS(0, pub_x.len);
ASSERT_UINT_EQUALS(0, pub_y.len);
size_t signature_size = aws_ecc_key_pair_signature_length(key_pair_private);
struct aws_byte_buf signature_buf;
AWS_ZERO_STRUCT(signature_buf);
aws_byte_buf_init(&signature_buf, allocator, signature_size);
/* Use key from private to sign */
ASSERT_SUCCESS(aws_ecc_key_pair_sign_message(key_pair_private, &hash_cur, &signature_buf));
struct aws_byte_cursor signature_cur = aws_byte_cursor_from_buf(&signature_buf);
ASSERT_SUCCESS(aws_ecc_key_pair_verify_signature(key_pair, &hash_cur, &signature_cur));
aws_ecc_key_pair_release(key_pair);
aws_ecc_key_pair_release(key_pair_private);
aws_byte_buf_clean_up(&signature_buf);
}
aws_byte_buf_clean_up(&hash_value);
return AWS_OP_SUCCESS;
}
static int s_ecc_key_gen_from_private_fuzz_test(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_cal_library_init(allocator);
ASSERT_SUCCESS(s_test_key_gen_from_private_fuzz(allocator, AWS_CAL_ECDSA_P256, 1000));
ASSERT_SUCCESS(s_test_key_gen_from_private_fuzz(allocator, AWS_CAL_ECDSA_P384, 1000));
aws_cal_library_clean_up();
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecc_key_gen_from_private_fuzz_test, s_ecc_key_gen_from_private_fuzz_test)
#else
static int s_ecc_key_gen_from_private_fuzz_test(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
(void)allocator;
return AWS_OP_SUCCESS;
}
AWS_TEST_CASE(ecc_key_gen_from_private_fuzz_test, s_ecc_key_gen_from_private_fuzz_test)
#endif
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