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-rw-r--r--crypto/cipher-builtin.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/crypto/cipher-builtin.c b/crypto/cipher-builtin.c
index fd59a9e461..b4bc2b9ca6 100644
--- a/crypto/cipher-builtin.c
+++ b/crypto/cipher-builtin.c
@@ -433,6 +433,17 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
{
QCryptoCipher *cipher;
+ switch (mode) {
+ case QCRYPTO_CIPHER_MODE_ECB:
+ case QCRYPTO_CIPHER_MODE_CBC:
+ case QCRYPTO_CIPHER_MODE_XTS:
+ break;
+ default:
+ error_setg(errp, "Unsupported cipher mode %s",
+ QCryptoCipherMode_lookup[mode]);
+ return NULL;
+ }
+
cipher = g_new0(QCryptoCipher, 1);
cipher->alg = alg;
cipher->mode = mode;