enc_ctx.h

Go to the documentation of this file.

/*
 * 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.
 */
#ifndef AWS_CRYPTOSDK_ENC_CTX_H
#define AWS_CRYPTOSDK_ENC_CTX_H
 
#include <aws/cryptosdk/exports.h>
 
#include <aws/common/hash_table.h>
 
#ifdef __cplusplus
extern "C" {
#endif


AWS_CRYPTOSDK_API
int aws_cryptosdk_enc_ctx_init(struct aws_allocator *alloc, struct aws_hash_table *enc_ctx);

AWS_CRYPTOSDK_STATIC_INLINE void aws_cryptosdk_enc_ctx_clear(struct aws_hash_table *enc_ctx) {
    AWS_PRECONDITION(aws_hash_table_is_valid(enc_ctx));
    aws_hash_table_clear(enc_ctx);
    AWS_PRECONDITION(aws_hash_table_is_valid(enc_ctx));
}

AWS_CRYPTOSDK_STATIC_INLINE void aws_cryptosdk_enc_ctx_clean_up(struct aws_hash_table *enc_ctx) {
    AWS_PRECONDITION(enc_ctx != NULL);
    AWS_PRECONDITION(
        enc_ctx->p_impl == NULL || aws_hash_table_is_valid(enc_ctx),
        "Input aws_hash_table [map] must be valid or hash_table_state pointer [map->p_impl] must be NULL, in case "
        "aws_hash_table_clean_up was called twice.");
    aws_hash_table_clean_up(enc_ctx);
    AWS_POSTCONDITION(enc_ctx->p_impl == NULL);
}

AWS_CRYPTOSDK_API
int aws_cryptosdk_enc_ctx_clone(
    struct aws_allocator *alloc, struct aws_hash_table *dest, const struct aws_hash_table *src);
  // doxygen group enc_ctx
 
#ifdef __cplusplus
}
#endif
 
#endif  // AWS_CRYPTOSDK_ENC_CTX_H