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2741128e9d
The PROV_R codes can be returned to applications so it is useful to have some common set of provider reason codes for the applications or third party providers. Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/14086)
158 lines
5.4 KiB
C
158 lines
5.4 KiB
C
/*
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* Copyright 2001-2020 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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* This file uses the low level AES functions (which are deprecated for
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* non-internal use) in order to implement provider AES ciphers.
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*/
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#include "internal/deprecated.h"
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#include <openssl/proverr.h>
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#include "cipher_aes.h"
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static int cipher_hw_aes_initkey(PROV_CIPHER_CTX *dat,
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const unsigned char *key, size_t keylen)
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{
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int ret;
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PROV_AES_CTX *adat = (PROV_AES_CTX *)dat;
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AES_KEY *ks = &adat->ks.ks;
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dat->ks = ks;
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if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
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&& !dat->enc) {
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#ifdef HWAES_CAPABLE
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if (HWAES_CAPABLE) {
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ret = HWAES_set_decrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)HWAES_decrypt;
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dat->stream.cbc = NULL;
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# ifdef HWAES_cbc_encrypt
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if (dat->mode == EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
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# endif
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# ifdef HWAES_ecb_encrypt
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if (dat->mode == EVP_CIPH_ECB_MODE)
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dat->stream.ecb = (ecb128_f)HWAES_ecb_encrypt;
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# endif
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} else
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#endif
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#ifdef BSAES_CAPABLE
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if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CBC_MODE) {
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ret = AES_set_decrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)AES_decrypt;
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dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
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} else
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#endif
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#ifdef VPAES_CAPABLE
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if (VPAES_CAPABLE) {
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ret = vpaes_set_decrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)vpaes_decrypt;
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dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
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?(cbc128_f)vpaes_cbc_encrypt : NULL;
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} else
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#endif
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{
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ret = AES_set_decrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)AES_decrypt;
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dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
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? (cbc128_f)AES_cbc_encrypt : NULL;
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}
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} else
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#ifdef HWAES_CAPABLE
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if (HWAES_CAPABLE) {
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ret = HWAES_set_encrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)HWAES_encrypt;
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dat->stream.cbc = NULL;
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# ifdef HWAES_cbc_encrypt
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if (dat->mode == EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
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else
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# endif
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# ifdef HWAES_ecb_encrypt
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if (dat->mode == EVP_CIPH_ECB_MODE)
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dat->stream.ecb = (ecb128_f)HWAES_ecb_encrypt;
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else
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# endif
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# ifdef HWAES_ctr32_encrypt_blocks
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if (dat->mode == EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
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else
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# endif
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(void)0; /* terminate potentially open 'else' */
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} else
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#endif
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#ifdef BSAES_CAPABLE
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if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CTR_MODE) {
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ret = AES_set_encrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)AES_encrypt;
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dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
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} else
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#endif
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#ifdef VPAES_CAPABLE
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if (VPAES_CAPABLE) {
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ret = vpaes_set_encrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)vpaes_encrypt;
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dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
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? (cbc128_f)vpaes_cbc_encrypt : NULL;
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} else
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#endif
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{
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ret = AES_set_encrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f)AES_encrypt;
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dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
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? (cbc128_f)AES_cbc_encrypt : NULL;
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#ifdef AES_CTR_ASM
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if (dat->mode == EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
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#endif
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}
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if (ret < 0) {
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ERR_raise(ERR_LIB_PROV, PROV_R_AES_KEY_SETUP_FAILED);
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return 0;
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}
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return 1;
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}
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IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_aes_copyctx, PROV_AES_CTX)
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#define PROV_CIPHER_HW_aes_mode(mode) \
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static const PROV_CIPHER_HW aes_##mode = { \
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cipher_hw_aes_initkey, \
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ossl_cipher_hw_generic_##mode, \
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cipher_hw_aes_copyctx \
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}; \
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PROV_CIPHER_HW_declare(mode) \
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const PROV_CIPHER_HW *ossl_prov_cipher_hw_aes_##mode(size_t keybits) \
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{ \
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PROV_CIPHER_HW_select(mode) \
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return &aes_##mode; \
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}
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#if defined(AESNI_CAPABLE)
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# include "cipher_aes_hw_aesni.inc"
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#elif defined(SPARC_AES_CAPABLE)
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# include "cipher_aes_hw_t4.inc"
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#elif defined(S390X_aes_128_CAPABLE)
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# include "cipher_aes_hw_s390x.inc"
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#else
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/* The generic case */
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# define PROV_CIPHER_HW_declare(mode)
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# define PROV_CIPHER_HW_select(mode)
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#endif
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PROV_CIPHER_HW_aes_mode(cbc)
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PROV_CIPHER_HW_aes_mode(ecb)
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PROV_CIPHER_HW_aes_mode(ofb128)
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PROV_CIPHER_HW_aes_mode(cfb128)
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PROV_CIPHER_HW_aes_mode(cfb1)
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PROV_CIPHER_HW_aes_mode(cfb8)
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PROV_CIPHER_HW_aes_mode(ctr)
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