summaryrefslogtreecommitdiffstats
path: root/providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc
diff options
context:
space:
mode:
Diffstat (limited to 'providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc')
-rw-r--r--providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc38
1 files changed, 38 insertions, 0 deletions
diff --git a/providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc b/providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc
new file mode 100644
index 0000000000..3a5e4a740d
--- /dev/null
+++ b/providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2001-2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*-
+ * AES-NI support for AES CCM.
+ * This file is included by cipher_ccm_hw.c
+ */
+
+static int ccm_aesni_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
+ size_t keylen)
+{
+ PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
+
+ AES_HW_CCM_SET_KEY_FN(aesni_set_encrypt_key, aesni_encrypt,
+ aesni_ccm64_encrypt_blocks,
+ aesni_ccm64_decrypt_blocks);
+ return 1;
+}
+
+static const PROV_CCM_HW aesni_ccm = {
+ ccm_aesni_initkey,
+ ccm_generic_setiv,
+ ccm_generic_setaad,
+ ccm_generic_auth_encrypt,
+ ccm_generic_auth_decrypt,
+ ccm_generic_gettag
+};
+
+const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)
+{
+ return AESNI_CAPABLE ? &aesni_ccm : &aes_ccm;
+}