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Diffstat (limited to 'backends/cryptodev-builtin.c')
-rw-r--r--backends/cryptodev-builtin.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c
index c0fbb650d7..c45b5906c5 100644
--- a/backends/cryptodev-builtin.c
+++ b/backends/cryptodev-builtin.c
@@ -59,6 +59,19 @@ struct CryptoDevBackendBuiltin {
CryptoDevBackendBuiltinSession *sessions[MAX_NUM_SESSIONS];
};
+static void cryptodev_builtin_init_akcipher(CryptoDevBackend *backend)
+{
+ QCryptoAkCipherOptions opts;
+
+ opts.alg = QCRYPTO_AKCIPHER_ALG_RSA;
+ opts.u.rsa.padding_alg = QCRYPTO_RSA_PADDING_ALG_RAW;
+ if (qcrypto_akcipher_supports(&opts)) {
+ backend->conf.crypto_services |=
+ (1u << QCRYPTODEV_BACKEND_SERVICE_AKCIPHER);
+ backend->conf.akcipher_algo = 1u << VIRTIO_CRYPTO_AKCIPHER_RSA;
+ }
+}
+
static void cryptodev_builtin_init(
CryptoDevBackend *backend, Error **errp)
{
@@ -81,11 +94,9 @@ static void cryptodev_builtin_init(
backend->conf.crypto_services =
1u << QCRYPTODEV_BACKEND_SERVICE_CIPHER |
1u << QCRYPTODEV_BACKEND_SERVICE_HASH |
- 1u << QCRYPTODEV_BACKEND_SERVICE_MAC |
- 1u << QCRYPTODEV_BACKEND_SERVICE_AKCIPHER;
+ 1u << QCRYPTODEV_BACKEND_SERVICE_MAC;
backend->conf.cipher_algo_l = 1u << VIRTIO_CRYPTO_CIPHER_AES_CBC;
backend->conf.hash_algo = 1u << VIRTIO_CRYPTO_HASH_SHA1;
- backend->conf.akcipher_algo = 1u << VIRTIO_CRYPTO_AKCIPHER_RSA;
/*
* Set the Maximum length of crypto request.
* Why this value? Just avoid to overflow when
@@ -94,6 +105,7 @@ static void cryptodev_builtin_init(
backend->conf.max_size = LONG_MAX - sizeof(CryptoDevBackendOpInfo);
backend->conf.max_cipher_key_len = CRYPTODEV_BUITLIN_MAX_CIPHER_KEY_LEN;
backend->conf.max_auth_key_len = CRYPTODEV_BUITLIN_MAX_AUTH_KEY_LEN;
+ cryptodev_builtin_init_akcipher(backend);
cryptodev_backend_set_ready(backend, true);
}