50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/*
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* QEMU Crypto cipher algorithms
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*
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* Copyright (c) 2015 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "crypto/cipher.h"
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static size_t alg_key_len[QCRYPTO_CIPHER_ALG_LAST] = {
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[QCRYPTO_CIPHER_ALG_AES_128] = 16,
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[QCRYPTO_CIPHER_ALG_AES_192] = 24,
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[QCRYPTO_CIPHER_ALG_AES_256] = 32,
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[QCRYPTO_CIPHER_ALG_DES_RFB] = 8,
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};
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static bool
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qcrypto_cipher_validate_key_length(QCryptoCipherAlgorithm alg,
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size_t nkey,
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Error **errp)
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{
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if ((unsigned)alg >= QCRYPTO_CIPHER_ALG_LAST) {
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error_setg(errp, "Cipher algorithm %d out of range",
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alg);
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return false;
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}
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if (alg_key_len[alg] != nkey) {
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error_setg(errp, "Cipher key length %zu should be %zu",
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alg_key_len[alg], nkey);
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return false;
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}
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return true;
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}
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#include "crypto/cipher-builtin.c"
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