| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Hsiao | 784 | 68.83% | 1 | 14.29% |
| Christian Lamparter | 354 | 31.08% | 5 | 71.43% |
| Lucas De Marchi | 1 | 0.09% | 1 | 14.29% |
| Total | 1139 | 7 |
/** * AMCC SoC PPC4xx Crypto Driver * * Copyright (c) 2008 Applied Micro Circuits Corporation. * All rights reserved. James Hsiao <jhsiao@amcc.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * This file defines the security context * associate format. */ #ifndef __CRYPTO4XX_SA_H__ #define __CRYPTO4XX_SA_H__ #define AES_IV_SIZE 16 /** * Contents of Dynamic Security Association (SA) with all possible fields */ union dynamic_sa_contents { struct { u32 arc4_state_ptr:1; u32 arc4_ij_ptr:1; u32 state_ptr:1; u32 iv3:1; u32 iv2:1; u32 iv1:1; u32 iv0:1; u32 seq_num_mask3:1; u32 seq_num_mask2:1; u32 seq_num_mask1:1; u32 seq_num_mask0:1; u32 seq_num1:1; u32 seq_num0:1; u32 spi:1; u32 outer_size:5; u32 inner_size:5; u32 key_size:4; u32 cmd_size:4; } bf; u32 w; } __attribute__((packed)); #define DIR_OUTBOUND 0 #define DIR_INBOUND 1 #define SA_OP_GROUP_BASIC 0 #define SA_OPCODE_ENCRYPT 0 #define SA_OPCODE_DECRYPT 0 #define SA_OPCODE_ENCRYPT_HASH 1 #define SA_OPCODE_HASH_DECRYPT 1 #define SA_OPCODE_HASH 3 #define SA_CIPHER_ALG_DES 0 #define SA_CIPHER_ALG_3DES 1 #define SA_CIPHER_ALG_ARC4 2 #define SA_CIPHER_ALG_AES 3 #define SA_CIPHER_ALG_KASUMI 4 #define SA_CIPHER_ALG_NULL 15 #define SA_HASH_ALG_MD5 0 #define SA_HASH_ALG_SHA1 1 #define SA_HASH_ALG_GHASH 12 #define SA_HASH_ALG_CBC_MAC 14 #define SA_HASH_ALG_NULL 15 #define SA_HASH_ALG_SHA1_DIGEST_SIZE 20 #define SA_LOAD_HASH_FROM_SA 0 #define SA_LOAD_HASH_FROM_STATE 2 #define SA_NOT_LOAD_HASH 3 #define SA_LOAD_IV_FROM_SA 0 #define SA_LOAD_IV_FROM_INPUT 1 #define SA_LOAD_IV_FROM_STATE 2 #define SA_LOAD_IV_GEN_IV 3 #define SA_PAD_TYPE_CONSTANT 2 #define SA_PAD_TYPE_ZERO 3 #define SA_PAD_TYPE_TLS 5 #define SA_PAD_TYPE_DTLS 5 #define SA_NOT_SAVE_HASH 0 #define SA_SAVE_HASH 1 #define SA_NOT_SAVE_IV 0 #define SA_SAVE_IV 1 #define SA_HEADER_PROC 1 #define SA_NO_HEADER_PROC 0 union sa_command_0 { struct { u32 scatter:1; u32 gather:1; u32 save_hash_state:1; u32 save_iv:1; u32 load_hash_state:2; u32 load_iv:2; u32 digest_len:4; u32 hdr_proc:1; u32 extend_pad:1; u32 stream_cipher_pad:1; u32 rsv:1; u32 hash_alg:4; u32 cipher_alg:4; u32 pad_type:2; u32 op_group:2; u32 dir:1; u32 opcode:3; } bf; u32 w; } __attribute__((packed)); #define CRYPTO_MODE_ECB 0 #define CRYPTO_MODE_CBC 1 #define CRYPTO_MODE_OFB 2 #define CRYPTO_MODE_CFB 3 #define CRYPTO_MODE_CTR 4 #define CRYPTO_FEEDBACK_MODE_NO_FB 0 #define CRYPTO_FEEDBACK_MODE_64BIT_OFB 0 #define CRYPTO_FEEDBACK_MODE_8BIT_CFB 1 #define CRYPTO_FEEDBACK_MODE_1BIT_CFB 2 #define CRYPTO_FEEDBACK_MODE_128BIT_CFB 3 #define SA_AES_KEY_LEN_128 2 #define SA_AES_KEY_LEN_192 3 #define SA_AES_KEY_LEN_256 4 #define SA_REV2 1 /** * The follow defines bits sa_command_1 * In Basic hash mode this bit define simple hash or hmac. * In IPsec mode, this bit define muting control. */ #define SA_HASH_MODE_HASH 0 #define SA_HASH_MODE_HMAC 1 #define SA_MC_ENABLE 0 #define SA_MC_DISABLE 1 #define SA_NOT_COPY_HDR 0 #define SA_COPY_HDR 1 #define SA_NOT_COPY_PAD 0 #define SA_COPY_PAD 1 #define SA_NOT_COPY_PAYLOAD 0 #define SA_COPY_PAYLOAD 1 #define SA_EXTENDED_SN_OFF 0 #define SA_EXTENDED_SN_ON 1 #define SA_SEQ_MASK_OFF 0 #define SA_SEQ_MASK_ON 1 union sa_command_1 { struct { u32 crypto_mode31:1; u32 save_arc4_state:1; u32 arc4_stateful:1; u32 key_len:5; u32 hash_crypto_offset:8; u32 sa_rev:2; u32 byte_offset:1; u32 hmac_muting:1; u32 feedback_mode:2; u32 crypto_mode9_8:2; u32 extended_seq_num:1; u32 seq_num_mask:1; u32 mutable_bit_proc:1; u32 ip_version:1; u32 copy_pad:1; u32 copy_payload:1; u32 copy_hdr:1; u32 rsv1:1; } bf; u32 w; } __attribute__((packed)); struct dynamic_sa_ctl { union dynamic_sa_contents sa_contents; union sa_command_0 sa_command_0; union sa_command_1 sa_command_1; } __attribute__((packed)); /** * State Record for Security Association (SA) */ struct sa_state_record { __le32 save_iv[4]; __le32 save_hash_byte_cnt[2]; union { u32 save_digest[16]; /* for MD5/SHA */ __le32 save_digest_le32[16]; /* GHASH / CBC */ }; } __attribute__((packed)); /** * Security Association (SA) for AES128 * */ struct dynamic_sa_aes128 { struct dynamic_sa_ctl ctrl; __le32 key[4]; __le32 iv[4]; /* for CBC, OFC, and CFB mode */ u32 state_ptr; u32 reserved; } __attribute__((packed)); #define SA_AES128_LEN (sizeof(struct dynamic_sa_aes128)/4) #define SA_AES128_CONTENTS 0x3e000042 /* * Security Association (SA) for AES192 */ struct dynamic_sa_aes192 { struct dynamic_sa_ctl ctrl; __le32 key[6]; __le32 iv[4]; /* for CBC, OFC, and CFB mode */ u32 state_ptr; u32 reserved; } __attribute__((packed)); #define SA_AES192_LEN (sizeof(struct dynamic_sa_aes192)/4) #define SA_AES192_CONTENTS 0x3e000062 /** * Security Association (SA) for AES256 */ struct dynamic_sa_aes256 { struct dynamic_sa_ctl ctrl; __le32 key[8]; __le32 iv[4]; /* for CBC, OFC, and CFB mode */ u32 state_ptr; u32 reserved; } __attribute__((packed)); #define SA_AES256_LEN (sizeof(struct dynamic_sa_aes256)/4) #define SA_AES256_CONTENTS 0x3e000082 #define SA_AES_CONTENTS 0x3e000002 /** * Security Association (SA) for AES128 CCM */ struct dynamic_sa_aes128_ccm { struct dynamic_sa_ctl ctrl; __le32 key[4]; __le32 iv[4]; u32 state_ptr; u32 reserved; } __packed; #define SA_AES128_CCM_LEN (sizeof(struct dynamic_sa_aes128_ccm)/4) #define SA_AES128_CCM_CONTENTS 0x3e000042 #define SA_AES_CCM_CONTENTS 0x3e000002 /** * Security Association (SA) for AES128_GCM */ struct dynamic_sa_aes128_gcm { struct dynamic_sa_ctl ctrl; __le32 key[4]; __le32 inner_digest[4]; __le32 iv[4]; u32 state_ptr; u32 reserved; } __packed; #define SA_AES128_GCM_LEN (sizeof(struct dynamic_sa_aes128_gcm)/4) #define SA_AES128_GCM_CONTENTS 0x3e000442 #define SA_AES_GCM_CONTENTS 0x3e000402 /** * Security Association (SA) for HASH160: HMAC-SHA1 */ struct dynamic_sa_hash160 { struct dynamic_sa_ctl ctrl; __le32 inner_digest[5]; __le32 outer_digest[5]; u32 state_ptr; u32 reserved; } __attribute__((packed)); #define SA_HASH160_LEN (sizeof(struct dynamic_sa_hash160)/4) #define SA_HASH160_CONTENTS 0x2000a502 static inline u32 get_dynamic_sa_offset_state_ptr_field(struct dynamic_sa_ctl *cts) { u32 offset; offset = cts->sa_contents.bf.key_size + cts->sa_contents.bf.inner_size + cts->sa_contents.bf.outer_size + cts->sa_contents.bf.spi + cts->sa_contents.bf.seq_num0 + cts->sa_contents.bf.seq_num1 + cts->sa_contents.bf.seq_num_mask0 + cts->sa_contents.bf.seq_num_mask1 + cts->sa_contents.bf.seq_num_mask2 + cts->sa_contents.bf.seq_num_mask3 + cts->sa_contents.bf.iv0 + cts->sa_contents.bf.iv1 + cts->sa_contents.bf.iv2 + cts->sa_contents.bf.iv3; return sizeof(struct dynamic_sa_ctl) + offset * 4; } static inline __le32 *get_dynamic_sa_key_field(struct dynamic_sa_ctl *cts) { return (__le32 *) ((unsigned long)cts + sizeof(struct dynamic_sa_ctl)); } static inline __le32 *get_dynamic_sa_inner_digest(struct dynamic_sa_ctl *cts) { return (__le32 *) ((unsigned long)cts + sizeof(struct dynamic_sa_ctl) + cts->sa_contents.bf.key_size * 4); } #endif
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