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job_aes_hmac.asm
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job_aes_hmac.asm
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;;
;; Copyright (c) 2012-2018, Intel Corporation
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are met:
;;
;; * Redistributions of source code must retain the above copyright notice,
;; this list of conditions and the following disclaimer.
;; * Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; * Neither the name of Intel Corporation nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;
%include "include/datastruct.asm"
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; Define constants
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
%define STS_BEING_PROCESSED 0
%define STS_COMPLETED_AES 1
%define STS_COMPLETED_HMAC 2
%define STS_COMPLETED 3
%define STS_INVALID_ARGS 4
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; Define JOB_AES_HMAC structure
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
START_FIELDS ; HMAC Specific Fields
;;; name size align
FIELD __auth_key_xor_ipad, 8, 8 ; pointer to ipad
FIELD __auth_key_xor_opad, 8, 8 ; pointer to opad
END_FIELDS
%assign _HMAC_spec_fields_size _FIELD_OFFSET
%assign _HMAC_spec_fields_align _STRUCT_ALIGN
START_FIELDS ; AES XCBC Specific Fields
;;; name size align
FIELD __k1_expanded, 8, 8 ; ptr to exp k1 keys
FIELD __k2, 8, 8 ; ptr to k2
FIELD __k3, 8, 8 ; ptr to k3
END_FIELDS
%assign _AES_XCBC_spec_fields_size _FIELD_OFFSET
%assign _AES_XCBC_spec_fields_align _STRUCT_ALIGN
START_FIELDS ; CBCMAC Specific Fields
;;; name size align
FIELD __aad, 8, 8 ; pointer to AAD
FIELD __aad_len, 8, 8 ; 64-bit AAD length
END_FIELDS
%assign _CBCMAC_spec_fields_size _FIELD_OFFSET
%assign _CBCMAC_spec_fields_align _STRUCT_ALIGN
START_FIELDS ; AES CMAC Specific Fields
;;; name size align
FIELD __key_expanded, 8, 8 ; ptr to exp keys
FIELD __skey1, 8, 8 ; ptr to subkey 1
FIELD __skey2, 8, 8 ; ptr to subkey 2
END_FIELDS
%assign _AES_CMAC_spec_fields_size _FIELD_OFFSET
%assign _AES_CMAC_spec_fields_align _STRUCT_ALIGN
START_FIELDS ; GCM Specific Fields
;;; name size align
FIELD __gcm_aad, 8, 8 ; pointer to AAD
FIELD __gcm_aad_len, 8, 8 ; 64-bit AAD length
END_FIELDS
%assign _GCM_spec_fields_size _FIELD_OFFSET
%assign _GCM_spec_fields_align _STRUCT_ALIGN
START_FIELDS ; JOB_AES_HMAC
;;; name size align
FIELD _aes_enc_key_expanded, 8, 8 ; pointer to exp enc keys
FIELD _aes_dec_key_expanded, 8, 8 ; pointer to exp dec keys
FIELD _aes_key_len_in_bytes, 8, 8
FIELD _src, 8, 8 ; pointer to src buffer
FIELD _dst, 8, 8 ; pointer to dst buffer
FIELD _cipher_start_src_offset_in_bytes, \
8, 8
FIELD _msg_len_to_cipher, 8, 8
FIELD _hash_start_src_offset_in_bytes,8, 8
FIELD _msg_len_to_hash, 8, 8
FIELD _iv, 8, 8 ; pointer to IV
FIELD _iv_len_in_bytes, 8, 8
FIELD _auth_tag_output, 8, 8 ; pointer to hash output
FIELD _auth_tag_output_len_in_bytes, 8, 8
UNION _u, _HMAC_spec_fields_size, _HMAC_spec_fields_align, \
_AES_XCBC_spec_fields_size, _AES_XCBC_spec_fields_align, \
_CBCMAC_spec_fields_size, _CBCMAC_spec_fields_align, \
_AES_CMAC_spec_fields_size, _AES_CMAC_spec_fields_align, \
_GCM_spec_fields_size, _GCM_spec_fields_align
FIELD _status, 4, 4 ; JOB_STS
FIELD _cipher_mode, 4, 4 ; JOB_CIPHER_MODE
FIELD _cipher_direction, 4, 4 ; JOB_CIPHER_DIRECTION
FIELD _hash_alg, 4, 4 ; JOB_HASH_ALG
FIELD _chain_order, 4, 4 ; JOB_CHAIN_ORDER
FIELD _user_data, 8, 8
FIELD _user_data2, 8, 8
END_FIELDS
%assign _msg_len_to_cipher_in_bytes _msg_len_to_cipher
%assign _msg_len_to_cipher_in_bits _msg_len_to_cipher
%assign _msg_len_to_hash_in_bytes _msg_len_to_hash
%assign _msg_len_to_hash_in_bits _msg_len_to_hash
%assign _JOB_AES_HMAC_size _FIELD_OFFSET
%assign _JOB_AES_HMAC_align _STRUCT_ALIGN
%assign _auth_key_xor_ipad _u + __auth_key_xor_ipad
%assign _auth_key_xor_opad _u + __auth_key_xor_opad
%assign _k1_expanded _u + __k1_expanded
%assign _k2 _u + __k2
%assign _k3 _u + __k3
%assign _cbcmac_aad _u + __aad
%assign _cbcmac_aad_len _u + __aad_len
%assign _key_expanded _u + __key_expanded
%assign _skey1 _u + __skey1
%assign _skey2 _u + __skey2
%assign _gcm_aad _u + __gcm_aad
%assign _gcm_aad_len _u + __gcm_aad_len