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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/common/common.h>
#include <aws/common/error.h>
#define AWS_DEFINE_ERROR_INFO_CAL(CODE, STR) [(CODE)-0x1C00] = AWS_DEFINE_ERROR_INFO(CODE, STR, "aws-c-cal")
static struct aws_error_info s_errors[] = {
AWS_DEFINE_ERROR_INFO_CAL(AWS_ERROR_CAL_SIGNATURE_VALIDATION_FAILED, "Verify on a cryptographic signature failed."),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_MISSING_REQUIRED_KEY_COMPONENT,
"An attempt was made to perform an "
"Asymmetric cryptographic operation with the"
"wrong key component. For example, attempt to"
"verify a signature with a private key or "
"sign a message with a public key."),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_INVALID_KEY_LENGTH_FOR_ALGORITHM,
"A key length was used for an algorithm that needs a different key length"),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_UNKNOWN_OBJECT_IDENTIFIER,
"An ASN.1 OID was encountered that wasn't expected or understood. Most likely, an unsupported algorithm was "
"encountered."),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_MALFORMED_ASN1_ENCOUNTERED,
"An ASN.1 DER decoding operation failed on malformed input."),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_MISMATCHED_DER_TYPE,
"An invalid DER type was requested during encoding/decoding"),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_UNSUPPORTED_ALGORITHM,
"The specified algorithim is unsupported on this platform."),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_BUFFER_TOO_LARGE_FOR_ALGORITHM,
"The input passed to a cipher algorithm was too large for that algorithm. Consider breaking the input into "
"smaller chunks."),
AWS_DEFINE_ERROR_INFO_CAL(
AWS_ERROR_CAL_INVALID_CIPHER_MATERIAL_SIZE_FOR_ALGORITHM,
"A cipher material such as an initialization vector or tag was an incorrect size for the selected algorithm."),
};
static struct aws_error_info_list s_list = {
.error_list = s_errors,
.count = AWS_ARRAY_SIZE(s_errors),
};
static struct aws_log_subject_info s_cal_log_subject_infos[] = {
DEFINE_LOG_SUBJECT_INFO(
AWS_LS_CAL_GENERAL,
"aws-c-cal",
"Subject for Cal logging that doesn't belong to any particular category"),
DEFINE_LOG_SUBJECT_INFO(AWS_LS_CAL_ECC, "ecc", "Subject for elliptic curve cryptography specific logging."),
DEFINE_LOG_SUBJECT_INFO(AWS_LS_CAL_HASH, "hash", "Subject for hashing specific logging."),
DEFINE_LOG_SUBJECT_INFO(AWS_LS_CAL_HMAC, "hmac", "Subject for hmac specific logging."),
DEFINE_LOG_SUBJECT_INFO(AWS_LS_CAL_DER, "der", "Subject for der specific logging."),
DEFINE_LOG_SUBJECT_INFO(
AWS_LS_CAL_LIBCRYPTO_RESOLVE,
"libcrypto_resolve",
"Subject for libcrypto symbol resolution logging."),
};
static struct aws_log_subject_info_list s_cal_log_subject_list = {
.subject_list = s_cal_log_subject_infos,
.count = AWS_ARRAY_SIZE(s_cal_log_subject_infos),
};
#ifndef BYO_CRYPTO
extern void aws_cal_platform_init(struct aws_allocator *allocator);
extern void aws_cal_platform_clean_up(void);
#endif /* BYO_CRYPTO */
static bool s_cal_library_initialized = false;
void aws_cal_library_init(struct aws_allocator *allocator) {
if (!s_cal_library_initialized) {
aws_common_library_init(allocator);
aws_register_error_info(&s_list);
aws_register_log_subject_info_list(&s_cal_log_subject_list);
#ifndef BYO_CRYPTO
aws_cal_platform_init(allocator);
#endif /* BYO_CRYPTO */
s_cal_library_initialized = true;
}
}
void aws_cal_library_clean_up(void) {
if (s_cal_library_initialized) {
s_cal_library_initialized = false;
#ifndef BYO_CRYPTO
aws_cal_platform_clean_up();
#endif /* BYO_CRYPTO */
aws_unregister_log_subject_info_list(&s_cal_log_subject_list);
aws_unregister_error_info(&s_list);
aws_common_library_clean_up();
}
}
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