mirror of https://github.com/openssl/openssl
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* AES low level APIs are deprecated for public use, but still ok for internal
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* use where we're using them to implement the higher level EVP interface, as is
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* the case here.
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*/
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#include "internal/deprecated.h"
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/* Dispatch functions for AES GCM mode */
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#include "cipher_aes_gcm.h"
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#include "prov/implementations.h"
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static void *aes_gcm_newctx(void *provctx, size_t keybits)
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{
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PROV_AES_GCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
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if (ctx != NULL)
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gcm_initctx(provctx, &ctx->base, keybits, PROV_AES_HW_gcm(keybits), 8);
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return ctx;
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}
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static OSSL_OP_cipher_freectx_fn aes_gcm_freectx;
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static void aes_gcm_freectx(void *vctx)
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{
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PROV_AES_GCM_CTX *ctx = (PROV_AES_GCM_CTX *)vctx;
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OPENSSL_clear_free(ctx, sizeof(*ctx));
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}
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/* aes128gcm_functions */
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IMPLEMENT_aead_cipher(aes, gcm, GCM, AEAD_FLAGS, 128, 8, 96);
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/* aes192gcm_functions */
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IMPLEMENT_aead_cipher(aes, gcm, GCM, AEAD_FLAGS, 192, 8, 96);
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/* aes256gcm_functions */
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IMPLEMENT_aead_cipher(aes, gcm, GCM, AEAD_FLAGS, 256, 8, 96);
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