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Diffstat (limited to 'crypto/cipher.c')
-rw-r--r--crypto/cipher.c44
1 files changed, 16 insertions, 28 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c
index e5adb56271..068b2fb867 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -19,12 +19,13 @@
*/
#include "qemu/osdep.h"
+#include "qemu/host-utils.h"
#include "qapi/error.h"
#include "crypto/cipher.h"
#include "cipherpriv.h"
-static size_t alg_key_len[QCRYPTO_CIPHER_ALG__MAX] = {
+static const size_t alg_key_len[QCRYPTO_CIPHER_ALG__MAX] = {
[QCRYPTO_CIPHER_ALG_AES_128] = 16,
[QCRYPTO_CIPHER_ALG_AES_192] = 24,
[QCRYPTO_CIPHER_ALG_AES_256] = 32,
@@ -39,7 +40,7 @@ static size_t alg_key_len[QCRYPTO_CIPHER_ALG__MAX] = {
[QCRYPTO_CIPHER_ALG_TWOFISH_256] = 32,
};
-static size_t alg_block_len[QCRYPTO_CIPHER_ALG__MAX] = {
+static const size_t alg_block_len[QCRYPTO_CIPHER_ALG__MAX] = {
[QCRYPTO_CIPHER_ALG_AES_128] = 16,
[QCRYPTO_CIPHER_ALG_AES_192] = 16,
[QCRYPTO_CIPHER_ALG_AES_256] = 16,
@@ -54,7 +55,7 @@ static size_t alg_block_len[QCRYPTO_CIPHER_ALG__MAX] = {
[QCRYPTO_CIPHER_ALG_TWOFISH_256] = 16,
};
-static bool mode_need_iv[QCRYPTO_CIPHER_MODE__MAX] = {
+static const bool mode_need_iv[QCRYPTO_CIPHER_MODE__MAX] = {
[QCRYPTO_CIPHER_MODE_ECB] = false,
[QCRYPTO_CIPHER_MODE_CBC] = true,
[QCRYPTO_CIPHER_MODE_XTS] = true,
@@ -150,11 +151,11 @@ qcrypto_cipher_munge_des_rfb_key(const uint8_t *key,
#endif /* CONFIG_GCRYPT || CONFIG_NETTLE */
#ifdef CONFIG_GCRYPT
-#include "cipher-gcrypt.c"
+#include "cipher-gcrypt.c.inc"
#elif defined CONFIG_NETTLE
-#include "cipher-nettle.c"
+#include "cipher-nettle.c.inc"
#else
-#include "cipher-builtin.c"
+#include "cipher-builtin.c.inc"
#endif
QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
@@ -162,31 +163,21 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
const uint8_t *key, size_t nkey,
Error **errp)
{
- QCryptoCipher *cipher;
- void *ctx = NULL;
- QCryptoCipherDriver *drv = NULL;
+ QCryptoCipher *cipher = NULL;
#ifdef CONFIG_AF_ALG
- ctx = qcrypto_afalg_cipher_ctx_new(alg, mode, key, nkey, NULL);
- if (ctx) {
- drv = &qcrypto_cipher_afalg_driver;
- }
+ cipher = qcrypto_afalg_cipher_ctx_new(alg, mode, key, nkey, NULL);
#endif
- if (!ctx) {
- ctx = qcrypto_cipher_ctx_new(alg, mode, key, nkey, errp);
- if (!ctx) {
+ if (!cipher) {
+ cipher = qcrypto_cipher_ctx_new(alg, mode, key, nkey, errp);
+ if (!cipher) {
return NULL;
}
-
- drv = &qcrypto_cipher_lib_driver;
}
- cipher = g_new0(QCryptoCipher, 1);
cipher->alg = alg;
cipher->mode = mode;
- cipher->opaque = ctx;
- cipher->driver = (void *)drv;
return cipher;
}
@@ -198,7 +189,7 @@ int qcrypto_cipher_encrypt(QCryptoCipher *cipher,
size_t len,
Error **errp)
{
- QCryptoCipherDriver *drv = cipher->driver;
+ const QCryptoCipherDriver *drv = cipher->driver;
return drv->cipher_encrypt(cipher, in, out, len, errp);
}
@@ -209,7 +200,7 @@ int qcrypto_cipher_decrypt(QCryptoCipher *cipher,
size_t len,
Error **errp)
{
- QCryptoCipherDriver *drv = cipher->driver;
+ const QCryptoCipherDriver *drv = cipher->driver;
return drv->cipher_decrypt(cipher, in, out, len, errp);
}
@@ -218,17 +209,14 @@ int qcrypto_cipher_setiv(QCryptoCipher *cipher,
const uint8_t *iv, size_t niv,
Error **errp)
{
- QCryptoCipherDriver *drv = cipher->driver;
+ const QCryptoCipherDriver *drv = cipher->driver;
return drv->cipher_setiv(cipher, iv, niv, errp);
}
void qcrypto_cipher_free(QCryptoCipher *cipher)
{
- QCryptoCipherDriver *drv;
if (cipher) {
- drv = cipher->driver;
- drv->cipher_free(cipher);
- g_free(cipher);
+ cipher->driver->cipher_free(cipher);
}
}