diff options
Diffstat (limited to 'providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc')
-rw-r--r-- | providers/implementations/ciphers/cipher_aes_ccm_hw_aesni.inc | 38 |
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; +} |