source/error.c

/*
 * Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use
 * this file except in compliance with the License. A copy of the License is
 * located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <aws/cryptosdk/error.h>

static const struct aws_error_info error_info[] = {
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_BAD_CIPHERTEXT, "Bad ciphertext", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_BAD_STATE, "Bad state for operation", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_CANNOT_DECRYPT, "Unable to decrypt", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_CRYPTO_UNKNOWN, "Unknown error in crypto routines", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_KMS_FAILURE, "Unexpected failure from KMS", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_LIMIT_EXCEEDED, "Limit exceeded", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(AWS_CRYPTOSDK_ERR_RESERVED_NAME, "Contains name reserved for usage by AWS", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(
        AWS_CRYPTOSDK_ERR_UNSUPPORTED_FORMAT, "Unsupported format version or bad ciphertext", "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(
        AWS_CRYPTOSDK_ERR_COMMITMENT_POLICY_VIOLATION,
        "Configuration conflict: Cannot encrypt or decrypt because the algorithm suite is forbidden under the "
        "configured key commitment policy. See: "
        "https://docs.aws.amazon.com/encryption-sdk/latest/developer-guide/troubleshooting-migration.html",
        "cryptosdk"),
    AWS_DEFINE_ERROR_INFO(
        AWS_CRYPTOSDK_ERR_DECRYPT_SIGNED_MESSAGE_NOT_ALLOWED,
        "Not allowed to decrypt signed message in AWS_CRYPTOSDK_DECRYPT_UNSIGNED mode",
        "cryptosdk")
};

static const struct aws_error_info_list error_info_list = { .error_list = error_info,
                                                            .count      = sizeof(error_info) / sizeof(error_info[0]) };

void aws_cryptosdk_load_error_strings(void) {
    aws_register_error_info(&error_info_list);
}