1 files changed, 0 insertions, 120 deletions
diff --git a/qemu/crypto/ivgen-essiv.c b/qemu/crypto/ivgen-essiv.c
deleted file mode 100644
index 634de6333..000000000
--- a/qemu/crypto/ivgen-essiv.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * QEMU Crypto block IV generator - essiv
- *
- * Copyright (c) 2015-2016 Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu/bswap.h"
-#include "crypto/ivgen-essiv.h"
-
-typedef struct QCryptoIVGenESSIV QCryptoIVGenESSIV;
-struct QCryptoIVGenESSIV {
-    QCryptoCipher *cipher;
-};
-
-static int qcrypto_ivgen_essiv_init(QCryptoIVGen *ivgen,
-                                    const uint8_t *key, size_t nkey,
-                                    Error **errp)
-{
-    uint8_t *salt;
-    size_t nhash;
-    size_t nsalt;
-    QCryptoIVGenESSIV *essiv = g_new0(QCryptoIVGenESSIV, 1);
-
-    /* Not necessarily the same as nkey */
-    nsalt = qcrypto_cipher_get_key_len(ivgen->cipher);
-
-    nhash = qcrypto_hash_digest_len(ivgen->hash);
-    /* Salt must be larger of hash size or key size */
-    salt = g_new0(uint8_t, MAX(nhash, nsalt));
-
-    if (qcrypto_hash_bytes(ivgen->hash, (const gchar *)key, nkey,
-                           &salt, &nhash,
-                           errp) < 0) {
-        g_free(essiv);
-        return -1;
-    }
-
-    /* Now potentially truncate salt to match cipher key len */
-    essiv->cipher = qcrypto_cipher_new(ivgen->cipher,
-                                       QCRYPTO_CIPHER_MODE_ECB,
-                                       salt, MIN(nhash, nsalt),
-                                       errp);
-    if (!essiv->cipher) {
-        g_free(essiv);
-        g_free(salt);
-        return -1;
-    }
-
-    g_free(salt);
-    ivgen->private = essiv;
-
-    return 0;
-}
-
-static int qcrypto_ivgen_essiv_calculate(QCryptoIVGen *ivgen,
-                                         uint64_t sector,
-                                         uint8_t *iv, size_t niv,
-                                         Error **errp)
-{
-    QCryptoIVGenESSIV *essiv = ivgen->private;
-    size_t ndata = qcrypto_cipher_get_block_len(ivgen->cipher);
-    uint8_t *data = g_new(uint8_t, ndata);
-
-    sector = cpu_to_le64(sector);
-    memcpy(data, (uint8_t *)&sector, ndata);
-    if (sizeof(sector) < ndata) {
-        memset(data + sizeof(sector), 0, ndata - sizeof(sector));
-    }
-
-    if (qcrypto_cipher_encrypt(essiv->cipher,
-                               data,
-                               data,
-                               ndata,
-                               errp) < 0) {
-        g_free(data);
-        return -1;
-    }
-
-    if (ndata > niv) {
-        ndata = niv;
-    }
-    memcpy(iv, data, ndata);
-    if (ndata < niv) {
-        memset(iv + ndata, 0, niv - ndata);
-    }
-    g_free(data);
-    return 0;
-}
-
-static void qcrypto_ivgen_essiv_cleanup(QCryptoIVGen *ivgen)
-{
-    QCryptoIVGenESSIV *essiv = ivgen->private;
-
-    qcrypto_cipher_free(essiv->cipher);
-    g_free(essiv);
-}
-
-
-struct QCryptoIVGenDriver qcrypto_ivgen_essiv = {
-    .init = qcrypto_ivgen_essiv_init,
-    .calculate = qcrypto_ivgen_essiv_calculate,
-    .cleanup = qcrypto_ivgen_essiv_cleanup,
-};
-