crypto: Rename cipher include files to .c.inc

QEMU standard procedure for included c files is to use *.c.inc.
E.g. there are a different set of checks that are applied.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

1 files changed, 0 insertions, 423 deletions

diff --git a/crypto/cipher-gcrypt.c b/crypto/cipher-gcrypt.c
deleted file mode 100644
index 81e4745bff..0000000000
--- a/crypto/cipher-gcrypt.c
+++ /dev/null
@@ -1,423 +0,0 @@
-/*
- * QEMU Crypto cipher libgcrypt algorithms
- *
- * Copyright (c) 2015 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 2.1 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"
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-#include "crypto/xts.h"
-#endif
-#include "cipherpriv.h"
-
-#include <gcrypt.h>
-
-
-bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg,
-                             QCryptoCipherMode mode)
-{
-    switch (alg) {
-    case QCRYPTO_CIPHER_ALG_DES_RFB:
-    case QCRYPTO_CIPHER_ALG_3DES:
-    case QCRYPTO_CIPHER_ALG_AES_128:
-    case QCRYPTO_CIPHER_ALG_AES_192:
-    case QCRYPTO_CIPHER_ALG_AES_256:
-    case QCRYPTO_CIPHER_ALG_CAST5_128:
-    case QCRYPTO_CIPHER_ALG_SERPENT_128:
-    case QCRYPTO_CIPHER_ALG_SERPENT_192:
-    case QCRYPTO_CIPHER_ALG_SERPENT_256:
-    case QCRYPTO_CIPHER_ALG_TWOFISH_128:
-    case QCRYPTO_CIPHER_ALG_TWOFISH_256:
-        break;
-    default:
-        return false;
-    }
-
-    switch (mode) {
-    case QCRYPTO_CIPHER_MODE_ECB:
-    case QCRYPTO_CIPHER_MODE_CBC:
-    case QCRYPTO_CIPHER_MODE_XTS:
-    case QCRYPTO_CIPHER_MODE_CTR:
-        return true;
-    default:
-        return false;
-    }
-}
-
-typedef struct QCryptoCipherGcrypt QCryptoCipherGcrypt;
-struct QCryptoCipherGcrypt {
-    gcry_cipher_hd_t handle;
-    size_t blocksize;
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    gcry_cipher_hd_t tweakhandle;
-    /* Initialization vector or Counter */
-    uint8_t *iv;
-#endif
-};
-
-static void
-qcrypto_gcrypt_cipher_free_ctx(QCryptoCipherGcrypt *ctx,
-                               QCryptoCipherMode mode)
-{
-    if (!ctx) {
-        return;
-    }
-
-    gcry_cipher_close(ctx->handle);
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    if (mode == QCRYPTO_CIPHER_MODE_XTS) {
-        gcry_cipher_close(ctx->tweakhandle);
-    }
-    g_free(ctx->iv);
-#endif
-    g_free(ctx);
-}
-
-
-static QCryptoCipherGcrypt *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg,
-                                                   QCryptoCipherMode mode,
-                                                   const uint8_t *key,
-                                                   size_t nkey,
-                                                   Error **errp)
-{
-    QCryptoCipherGcrypt *ctx;
-    gcry_error_t err;
-    int gcryalg, gcrymode;
-
-    switch (mode) {
-    case QCRYPTO_CIPHER_MODE_ECB:
-        gcrymode = GCRY_CIPHER_MODE_ECB;
-        break;
-    case QCRYPTO_CIPHER_MODE_XTS:
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-        gcrymode = GCRY_CIPHER_MODE_ECB;
-#else
-        gcrymode = GCRY_CIPHER_MODE_XTS;
-#endif
-        break;
-    case QCRYPTO_CIPHER_MODE_CBC:
-        gcrymode = GCRY_CIPHER_MODE_CBC;
-        break;
-    case QCRYPTO_CIPHER_MODE_CTR:
-        gcrymode = GCRY_CIPHER_MODE_CTR;
-        break;
-    default:
-        error_setg(errp, "Unsupported cipher mode %s",
-                   QCryptoCipherMode_str(mode));
-        return NULL;
-    }
-
-    if (!qcrypto_cipher_validate_key_length(alg, mode, nkey, errp)) {
-        return NULL;
-    }
-
-    switch (alg) {
-    case QCRYPTO_CIPHER_ALG_DES_RFB:
-        gcryalg = GCRY_CIPHER_DES;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_3DES:
-        gcryalg = GCRY_CIPHER_3DES;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_AES_128:
-        gcryalg = GCRY_CIPHER_AES128;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_AES_192:
-        gcryalg = GCRY_CIPHER_AES192;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_AES_256:
-        gcryalg = GCRY_CIPHER_AES256;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_CAST5_128:
-        gcryalg = GCRY_CIPHER_CAST5;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_SERPENT_128:
-        gcryalg = GCRY_CIPHER_SERPENT128;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_SERPENT_192:
-        gcryalg = GCRY_CIPHER_SERPENT192;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_SERPENT_256:
-        gcryalg = GCRY_CIPHER_SERPENT256;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_TWOFISH_128:
-        gcryalg = GCRY_CIPHER_TWOFISH128;
-        break;
-
-    case QCRYPTO_CIPHER_ALG_TWOFISH_256:
-        gcryalg = GCRY_CIPHER_TWOFISH;
-        break;
-
-    default:
-        error_setg(errp, "Unsupported cipher algorithm %s",
-                   QCryptoCipherAlgorithm_str(alg));
-        return NULL;
-    }
-
-    ctx = g_new0(QCryptoCipherGcrypt, 1);
-
-    err = gcry_cipher_open(&ctx->handle, gcryalg, gcrymode, 0);
-    if (err != 0) {
-        error_setg(errp, "Cannot initialize cipher: %s",
-                   gcry_strerror(err));
-        goto error;
-    }
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    if (mode == QCRYPTO_CIPHER_MODE_XTS) {
-        err = gcry_cipher_open(&ctx->tweakhandle, gcryalg, gcrymode, 0);
-        if (err != 0) {
-            error_setg(errp, "Cannot initialize cipher: %s",
-                       gcry_strerror(err));
-            goto error;
-        }
-    }
-#endif
-
-    if (alg == QCRYPTO_CIPHER_ALG_DES_RFB) {
-        /* We're using standard DES cipher from gcrypt, so we need
-         * to munge the key so that the results are the same as the
-         * bizarre RFB variant of DES :-)
-         */
-        uint8_t *rfbkey = qcrypto_cipher_munge_des_rfb_key(key, nkey);
-        err = gcry_cipher_setkey(ctx->handle, rfbkey, nkey);
-        g_free(rfbkey);
-        ctx->blocksize = 8;
-    } else {
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-        if (mode == QCRYPTO_CIPHER_MODE_XTS) {
-            nkey /= 2;
-            err = gcry_cipher_setkey(ctx->handle, key, nkey);
-            if (err != 0) {
-                error_setg(errp, "Cannot set key: %s",
-                           gcry_strerror(err));
-                goto error;
-            }
-            err = gcry_cipher_setkey(ctx->tweakhandle, key + nkey, nkey);
-        } else {
-#endif
-            err = gcry_cipher_setkey(ctx->handle, key, nkey);
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-        }
-#endif
-        if (err != 0) {
-            error_setg(errp, "Cannot set key: %s",
-                       gcry_strerror(err));
-            goto error;
-        }
-        switch (alg) {
-        case QCRYPTO_CIPHER_ALG_AES_128:
-        case QCRYPTO_CIPHER_ALG_AES_192:
-        case QCRYPTO_CIPHER_ALG_AES_256:
-        case QCRYPTO_CIPHER_ALG_SERPENT_128:
-        case QCRYPTO_CIPHER_ALG_SERPENT_192:
-        case QCRYPTO_CIPHER_ALG_SERPENT_256:
-        case QCRYPTO_CIPHER_ALG_TWOFISH_128:
-        case QCRYPTO_CIPHER_ALG_TWOFISH_256:
-            ctx->blocksize = 16;
-            break;
-        case QCRYPTO_CIPHER_ALG_3DES:
-        case QCRYPTO_CIPHER_ALG_CAST5_128:
-            ctx->blocksize = 8;
-            break;
-        default:
-            g_assert_not_reached();
-        }
-    }
-    g_assert(is_power_of_2(ctx->blocksize));
-
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    if (mode == QCRYPTO_CIPHER_MODE_XTS) {
-        if (ctx->blocksize != XTS_BLOCK_SIZE) {
-            error_setg(errp,
-                       "Cipher block size %zu must equal XTS block size %d",
-                       ctx->blocksize, XTS_BLOCK_SIZE);
-            goto error;
-        }
-        ctx->iv = g_new0(uint8_t, ctx->blocksize);
-    }
-#endif
-
-    return ctx;
-
- error:
-    qcrypto_gcrypt_cipher_free_ctx(ctx, mode);
-    return NULL;
-}
-
-
-static void
-qcrypto_gcrypt_cipher_ctx_free(QCryptoCipher *cipher)
-{
-    qcrypto_gcrypt_cipher_free_ctx(cipher->opaque, cipher->mode);
-}
-
-
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-static void qcrypto_gcrypt_xts_encrypt(const void *ctx,
-                                       size_t length,
-                                       uint8_t *dst,
-                                       const uint8_t *src)
-{
-    gcry_error_t err;
-    err = gcry_cipher_encrypt((gcry_cipher_hd_t)ctx, dst, length, src, length);
-    g_assert(err == 0);
-}
-
-static void qcrypto_gcrypt_xts_decrypt(const void *ctx,
-                                       size_t length,
-                                       uint8_t *dst,
-                                       const uint8_t *src)
-{
-    gcry_error_t err;
-    err = gcry_cipher_decrypt((gcry_cipher_hd_t)ctx, dst, length, src, length);
-    g_assert(err == 0);
-}
-#endif
-
-static int
-qcrypto_gcrypt_cipher_encrypt(QCryptoCipher *cipher,
-                              const void *in,
-                              void *out,
-                              size_t len,
-                              Error **errp)
-{
-    QCryptoCipherGcrypt *ctx = cipher->opaque;
-    gcry_error_t err;
-
-    if (len & (ctx->blocksize - 1)) {
-        error_setg(errp, "Length %zu must be a multiple of block size %zu",
-                   len, ctx->blocksize);
-        return -1;
-    }
-
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    if (cipher->mode == QCRYPTO_CIPHER_MODE_XTS) {
-        xts_encrypt(ctx->handle, ctx->tweakhandle,
-                    qcrypto_gcrypt_xts_encrypt,
-                    qcrypto_gcrypt_xts_decrypt,
-                    ctx->iv, len, out, in);
-        return 0;
-    }
-#endif
-
-    err = gcry_cipher_encrypt(ctx->handle,
-                              out, len,
-                              in, len);
-    if (err != 0) {
-        error_setg(errp, "Cannot encrypt data: %s",
-                   gcry_strerror(err));
-        return -1;
-    }
-
-    return 0;
-}
-
-
-static int
-qcrypto_gcrypt_cipher_decrypt(QCryptoCipher *cipher,
-                              const void *in,
-                              void *out,
-                              size_t len,
-                              Error **errp)
-{
-    QCryptoCipherGcrypt *ctx = cipher->opaque;
-    gcry_error_t err;
-
-    if (len & (ctx->blocksize - 1)) {
-        error_setg(errp, "Length %zu must be a multiple of block size %zu",
-                   len, ctx->blocksize);
-        return -1;
-    }
-
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    if (cipher->mode == QCRYPTO_CIPHER_MODE_XTS) {
-        xts_decrypt(ctx->handle, ctx->tweakhandle,
-                    qcrypto_gcrypt_xts_encrypt,
-                    qcrypto_gcrypt_xts_decrypt,
-                    ctx->iv, len, out, in);
-        return 0;
-    }
-#endif
-
-    err = gcry_cipher_decrypt(ctx->handle,
-                              out, len,
-                              in, len);
-    if (err != 0) {
-        error_setg(errp, "Cannot decrypt data: %s",
-                   gcry_strerror(err));
-        return -1;
-    }
-
-    return 0;
-}
-
-static int
-qcrypto_gcrypt_cipher_setiv(QCryptoCipher *cipher,
-                            const uint8_t *iv, size_t niv,
-                            Error **errp)
-{
-    QCryptoCipherGcrypt *ctx = cipher->opaque;
-    gcry_error_t err;
-
-    if (niv != ctx->blocksize) {
-        error_setg(errp, "Expected IV size %zu not %zu",
-                   ctx->blocksize, niv);
-        return -1;
-    }
-
-#ifdef CONFIG_QEMU_PRIVATE_XTS
-    if (ctx->iv) {
-        memcpy(ctx->iv, iv, niv);
-        return 0;
-    }
-#endif
-
-    if (cipher->mode == QCRYPTO_CIPHER_MODE_CTR) {
-        err = gcry_cipher_setctr(ctx->handle, iv, niv);
-        if (err != 0) {
-            error_setg(errp, "Cannot set Counter: %s",
-                       gcry_strerror(err));
-            return -1;
-        }
-    } else {
-        gcry_cipher_reset(ctx->handle);
-        err = gcry_cipher_setiv(ctx->handle, iv, niv);
-        if (err != 0) {
-            error_setg(errp, "Cannot set IV: %s",
-                       gcry_strerror(err));
-            return -1;
-        }
-    }
-
-    return 0;
-}
-
-
-static struct QCryptoCipherDriver qcrypto_cipher_lib_driver = {
-    .cipher_encrypt = qcrypto_gcrypt_cipher_encrypt,
-    .cipher_decrypt = qcrypto_gcrypt_cipher_decrypt,
-    .cipher_setiv = qcrypto_gcrypt_cipher_setiv,
-    .cipher_free = qcrypto_gcrypt_cipher_ctx_free,
-};