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68a51d59a2
The idea to have all these things in providers/common was viable as long as the implementations was spread around their main providers. This is, however, no longer the case, so we move the common blocks closer to the source that use them. Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/10564)
65 lines
1.9 KiB
C
65 lines
1.9 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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/* AES CCM mode */
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#include "prov/ciphercommon.h"
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#include "prov/ciphercommon_ccm.h"
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#define AES_HW_CCM_SET_KEY_FN(fn_set_enc_key, fn_blk, fn_ccm_enc, fn_ccm_dec) \
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fn_set_enc_key(key, keylen * 8, &actx->ccm.ks.ks); \
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CRYPTO_ccm128_init(&ctx->ccm_ctx, ctx->m, ctx->l, &actx->ccm.ks.ks, \
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(block128_f)fn_blk); \
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ctx->str = ctx->enc ? (ccm128_f)fn_ccm_enc : (ccm128_f)fn_ccm_dec; \
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ctx->key_set = 1;
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static int ccm_generic_aes_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
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size_t keylen)
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{
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PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
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#ifdef HWAES_CAPABLE
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if (HWAES_CAPABLE) {
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AES_HW_CCM_SET_KEY_FN(HWAES_set_encrypt_key, HWAES_encrypt, NULL, NULL);
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} else
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#endif /* HWAES_CAPABLE */
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#ifdef VPAES_CAPABLE
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if (VPAES_CAPABLE) {
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AES_HW_CCM_SET_KEY_FN(vpaes_set_encrypt_key, vpaes_encrypt, NULL, NULL);
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} else
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#endif
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{
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AES_HW_CCM_SET_KEY_FN(AES_set_encrypt_key, AES_encrypt, NULL, NULL)
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}
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return 1;
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}
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static const PROV_CCM_HW aes_ccm = {
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ccm_generic_aes_initkey,
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ccm_generic_setiv,
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ccm_generic_setaad,
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ccm_generic_auth_encrypt,
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ccm_generic_auth_decrypt,
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ccm_generic_gettag
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};
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#if defined(S390X_aes_128_CAPABLE)
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# include "cipher_aes_ccm_hw_s390x.inc"
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#elif defined(AESNI_CAPABLE)
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# include "cipher_aes_ccm_hw_aesni.inc"
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#elif defined(SPARC_AES_CAPABLE)
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# include "cipher_aes_ccm_hw_t4.inc"
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#else
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const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)
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{
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return &aes_ccm;
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}
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#endif
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