/* * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #define UNINITIALISED_SIZET ((size_t)-1) /* TODO(3.0) Figure out what flags are really needed */ #define AEAD_FLAGS (EVP_CIPH_FLAG_AEAD_CIPHER \ | EVP_CIPH_CUSTOM_IV \ | EVP_CIPH_ALWAYS_CALL_INIT \ | EVP_CIPH_CTRL_INIT \ | EVP_CIPH_CUSTOM_COPY) #define IMPLEMENT_aead_cipher(alg, lc, UCMODE, flags, kbits, blkbits, ivbits) \ static OSSL_OP_cipher_get_params_fn alg##_##kbits##_##lc##_get_params; \ static int alg##_##kbits##_##lc##_get_params(OSSL_PARAM params[]) \ { \ return cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \ flags, kbits, blkbits, ivbits); \ } \ static OSSL_OP_cipher_newctx_fn alg##kbits##lc##_newctx; \ static void * alg##kbits##lc##_newctx(void *provctx) \ { \ return alg##_##lc##_newctx(provctx, kbits); \ } \ const OSSL_DISPATCH alg##kbits##lc##_functions[] = { \ { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))alg##kbits##lc##_newctx }, \ { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))alg##_##lc##_freectx }, \ { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void)) lc##_einit }, \ { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void)) lc##_dinit }, \ { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void)) lc##_stream_update }, \ { OSSL_FUNC_CIPHER_FINAL, (void (*)(void)) lc##_stream_final }, \ { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void)) lc##_cipher }, \ { OSSL_FUNC_CIPHER_GET_PARAMS, \ (void (*)(void)) alg##_##kbits##_##lc##_get_params }, \ { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \ (void (*)(void)) lc##_get_ctx_params }, \ { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \ (void (*)(void)) lc##_set_ctx_params }, \ { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \ (void (*)(void))cipher_generic_gettable_params }, \ { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \ (void (*)(void))cipher_aead_gettable_ctx_params }, \ { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \ (void (*)(void))cipher_aead_settable_ctx_params }, \ { 0, NULL } \ }