/* ==================================================================== * Copyright (c) 2008 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * [email protected]. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== */ #include <openssl/aead.h> #include <assert.h> #include <openssl/cipher.h> #include <openssl/err.h> #include <openssl/mem.h> #include "../delocate.h" #include "../modes/internal.h" #include "../service_indicator/internal.h" #include "internal.h" struct ccm128_context { … }; struct ccm128_state { … }; static int CRYPTO_ccm128_init(struct ccm128_context *ctx, const AES_KEY *key, block128_f block, ctr128_f ctr, unsigned M, unsigned L) { … } static size_t CRYPTO_ccm128_max_input(const struct ccm128_context *ctx) { … } static int ccm128_init_state(const struct ccm128_context *ctx, struct ccm128_state *state, const AES_KEY *key, const uint8_t *nonce, size_t nonce_len, const uint8_t *aad, size_t aad_len, size_t plaintext_len) { … } static int ccm128_encrypt(const struct ccm128_context *ctx, struct ccm128_state *state, const AES_KEY *key, uint8_t *out, const uint8_t *in, size_t len) { … } static int ccm128_compute_mac(const struct ccm128_context *ctx, struct ccm128_state *state, const AES_KEY *key, uint8_t *out_tag, size_t tag_len, const uint8_t *in, size_t len) { … } static int CRYPTO_ccm128_encrypt(const struct ccm128_context *ctx, const AES_KEY *key, uint8_t *out, uint8_t *out_tag, size_t tag_len, const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t len, const uint8_t *aad, size_t aad_len) { … } static int CRYPTO_ccm128_decrypt(const struct ccm128_context *ctx, const AES_KEY *key, uint8_t *out, uint8_t *out_tag, size_t tag_len, const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t len, const uint8_t *aad, size_t aad_len) { … } #define EVP_AEAD_AES_CCM_MAX_TAG_LEN … struct aead_aes_ccm_ctx { … }; static_assert; static_assert; static int aead_aes_ccm_init(EVP_AEAD_CTX *ctx, const uint8_t *key, size_t key_len, size_t tag_len, unsigned M, unsigned L) { … } static void aead_aes_ccm_cleanup(EVP_AEAD_CTX *ctx) { … } static int aead_aes_ccm_seal_scatter( const EVP_AEAD_CTX *ctx, uint8_t *out, uint8_t *out_tag, size_t *out_tag_len, size_t max_out_tag_len, const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t in_len, const uint8_t *extra_in, size_t extra_in_len, const uint8_t *ad, size_t ad_len) { … } static int aead_aes_ccm_open_gather(const EVP_AEAD_CTX *ctx, uint8_t *out, const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t in_len, const uint8_t *in_tag, size_t in_tag_len, const uint8_t *ad, size_t ad_len) { … } static int aead_aes_ccm_bluetooth_init(EVP_AEAD_CTX *ctx, const uint8_t *key, size_t key_len, size_t tag_len) { … } DEFINE_METHOD_FUNCTION(EVP_AEAD, EVP_aead_aes_128_ccm_bluetooth) { … } static int aead_aes_ccm_bluetooth_8_init(EVP_AEAD_CTX *ctx, const uint8_t *key, size_t key_len, size_t tag_len) { … } DEFINE_METHOD_FUNCTION(EVP_AEAD, EVP_aead_aes_128_ccm_bluetooth_8) { … } static int aead_aes_ccm_matter_init(EVP_AEAD_CTX *ctx, const uint8_t *key, size_t key_len, size_t tag_len) { … } DEFINE_METHOD_FUNCTION(EVP_AEAD, EVP_aead_aes_128_ccm_matter) { … }
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