2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include "prov/ciphercommon.h"
13 #include "prov/ciphercommon_ccm.h"
15 #define AES_HW_CCM_SET_KEY_FN(fn_set_enc_key, fn_blk, fn_ccm_enc, fn_ccm_dec) \
16 fn_set_enc_key(key, keylen * 8, &actx->ccm.ks.ks); \
17 CRYPTO_ccm128_init(&ctx->ccm_ctx, ctx->m, ctx->l, &actx->ccm.ks.ks, \
18 (block128_f)fn_blk); \
19 ctx->str = ctx->enc ? (ccm128_f)fn_ccm_enc : (ccm128_f)fn_ccm_dec; \
22 static int ccm_generic_aes_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
25 PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
29 AES_HW_CCM_SET_KEY_FN(HWAES_set_encrypt_key, HWAES_encrypt, NULL, NULL);
31 #endif /* HWAES_CAPABLE */
35 AES_HW_CCM_SET_KEY_FN(vpaes_set_encrypt_key, vpaes_encrypt, NULL, NULL);
39 AES_HW_CCM_SET_KEY_FN(AES_set_encrypt_key, AES_encrypt, NULL, NULL)
44 static const PROV_CCM_HW aes_ccm = {
45 ccm_generic_aes_initkey,
48 ccm_generic_auth_encrypt,
49 ccm_generic_auth_decrypt,
53 #if defined(S390X_aes_128_CAPABLE)
54 # include "cipher_aes_ccm_hw_s390x.inc"
55 #elif defined(AESNI_CAPABLE)
56 # include "cipher_aes_ccm_hw_aesni.inc"
57 #elif defined(SPARC_AES_CAPABLE)
58 # include "cipher_aes_ccm_hw_t4.inc"
60 const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)