564 lines
18 KiB
C
564 lines
18 KiB
C
/**
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* @file wm_crypto_hard.h
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*
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* @brief hard crypto module
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*
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* @author dave
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*
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* Copyright (c) 2014 Winner Microelectronics Co., Ltd.
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*/
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#ifndef WM_CRYPTO_HARD_H
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#define WM_CRYPTO_HARD_H
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#include "wm_type_def.h"
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#include "aes.h"
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif /* min */
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/** The base address of the registers of encryption/decryption module. */
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#define HR_CRYPTO_BASE_ADDR 0x40003200
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/** The address of the source text address register. */
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#define HR_CRYPTO_SRC_ADDR (HR_CRYPTO_BASE_ADDR + 0x00)
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/** The address of the encrypted/decrypted text address register. */
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#define HR_CRYPTO_DEST_ADDR (HR_CRYPTO_BASE_ADDR + 0x04)
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/** The address of the configuration register. */
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#define HR_CRYPTO_SEC_CFG (HR_CRYPTO_BASE_ADDR + 0x08)
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/** The address of the control register. */
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#define HR_CRYPTO_SEC_CTRL (HR_CRYPTO_BASE_ADDR + 0x0C)
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/** The address of the key0 register. */
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#define HR_CRYPTO_KEY0 (HR_CRYPTO_BASE_ADDR + 0x10)
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/** The address of the key1 register. */
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#define HR_CRYPTO_KEY1 (HR_CRYPTO_BASE_ADDR + 0x14)
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/** The address of the key2 register. */
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#define HR_CRYPTO_KEY2 (HR_CRYPTO_BASE_ADDR + 0x18)
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/** The address of the key3 register. */
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#define HR_CRYPTO_KEY3 (HR_CRYPTO_BASE_ADDR + 0x1C)
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/** The address of the key4 register. */
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#define HR_CRYPTO_KEY4 (HR_CRYPTO_BASE_ADDR + 0x20)
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/** The address of the key5 register. */
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#define HR_CRYPTO_KEY5 (HR_CRYPTO_BASE_ADDR + 0x24)
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/** The address of the IV0 register. */
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#define HR_CRYPTO_IV0 (HR_CRYPTO_BASE_ADDR + 0x28)
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/** The address of the IV1 register. */
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#define HR_CRYPTO_IV1 (HR_CRYPTO_BASE_ADDR + 0x20)
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/** The address of the encrypted/decrypted status register. */
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#define HR_CRYPTO_SEC_STS (HR_CRYPTO_BASE_ADDR + 0x30)
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/** The address of the SHA1/MD5 digest0 register. */
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#define HR_CRYPTO_SHA1_DIGEST0 (HR_CRYPTO_BASE_ADDR + 0x34)
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/** The address of the SHA1/MD5 digest1 register. */
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#define HR_CRYPTO_SHA1_DIGEST1 (HR_CRYPTO_BASE_ADDR + 0x38)
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/** The address of the SHA1/MD5 digest2 register. */
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#define HR_CRYPTO_SHA1_DIGEST2 (HR_CRYPTO_BASE_ADDR + 0x3C)
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/** The address of the SHA1/MD5 digest3 register. */
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#define HR_CRYPTO_SHA1_DIGEST3 (HR_CRYPTO_BASE_ADDR + 0x40)
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/** The address of the SHA1 digest4 and CRC in/output register. */
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#define HR_CRYPTO_SHA1_DIGEST4 (HR_CRYPTO_BASE_ADDR + 0x44)
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/** The address of the RNG RESULT register. */
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#define HR_CRYPTO_RNG_RESULT (HR_CRYPTO_BASE_ADDR + 0x48)
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/** The address of the CRC in register. */
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#define HR_CRYPTO_CRC_KEY HR_CRYPTO_SHA1_DIGEST4
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/** The address of the CRC output register. */
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#define HR_CRYPTO_CRC_RESULT HR_CRYPTO_SHA1_DIGEST4
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#define ERR_CRY_OK 0 ///< No error, everything OK.
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#define ERR_FAILURE -1 /* failure */
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#define ERR_ARG_FAIL -6 /* Failure due to bad function param */
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//CRC
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#define OUTPUT_REFLECT 1
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#define INPUT_REFLECT 2
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typedef enum __CRYPTO_METHOD
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{
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CRYPTO_METHOD_RSV=0,
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CRYPTO_METHOD_RC4,
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CRYPTO_METHOD_SHA1,
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CRYPTO_METHOD_AES,
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CRYPTO_METHOD_DES,
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CRYPTO_METHOD_3DES,
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CRYPTO_METHOD_CRC, ///< CRC
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CRYPTO_METHOD_MD5 ///< MD5
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}CRYPTO_METHOD;
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/**
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* The enum of the encryption/decryption way.
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*/
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typedef enum __CRYPTO_WAY
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{
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CRYPTO_WAY_ENCRYPT=0, ///< Encryption
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CRYPTO_WAY_DECRYPT ///< Decryption
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}CRYPTO_WAY;
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typedef enum __CRYPTO_RNG_SWITCH
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{
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CRYPTO_RNG_SWITCH_16 = 0,
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CRYPTO_RNG_SWITCH_32
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}CRYPTO_RNG_SWITCH;
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/**
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* The enum of the encryption/decryption mode, only for (aes des 3des).
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*/
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typedef enum __CRYPTO_MODE
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{
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CRYPTO_MODE_ECB=0, ///< ECB
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CRYPTO_MODE_CBC, ///< CBC
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CRYPTO_MODE_CTR ///< CTR, only for AES
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}CRYPTO_MODE;
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/**
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* The enum of the CRC type.
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*/
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typedef enum __CRYPTO_CRC_TYPE
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{
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CRYPTO_CRC_TYPE_8=0, ///< 8 bits CRC
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CRYPTO_CRC_TYPE_16_MODBUS, ///< 16 bits Modbus CRC
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CRYPTO_CRC_TYPE_16_CCITT, ///< 16 bits CCITT CRC
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CRYPTO_CRC_TYPE_32 ///< 32 bits CRC
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}CRYPTO_CRC_TYPE;
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/**
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* The struct of the CRC context.
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*/
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typedef struct {
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u32 state; ///< The initial value input and result value output.
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u8 type; ///< The type of CRC, refernec the CRYPTO_CRC_TYPE enum.
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u8 mode; ///< The mode of CRC, bit0 means output reflection and bit1 means input reflection.
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}psCrcContext_t;
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#if 1
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struct hsha1_state {
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#ifdef HAVE_NATIVE_INT64
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uint64 length;
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#else
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u32 lengthHi;
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u32 lengthLo;
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#endif /* HAVE_NATIVE_INT64 */
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u32 state[5], curlen;
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unsigned char buf[64];
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};
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struct hmd5_state {
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#ifdef HAVE_NATIVE_INT64
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uint64 length;
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#else
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u32 lengthHi;
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u32 lengthLo;
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#endif /* HAVE_NATIVE_INT64 */
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u32 state[4], curlen;
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unsigned char buf[64];
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};
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typedef union {
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struct hsha1_state sha1;
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struct hmd5_state md5;
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} hsDigestContext_t;
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typedef u32 hstm_digit;
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typedef struct {
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s16 used, alloc, sign;
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hstm_digit *dp;
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} hstm_int;
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struct sha1_state {
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#ifdef HAVE_NATIVE_INT64
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u64 length;
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#else
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u32 lengthHi;
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u32 lengthLo;
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#endif /* HAVE_NATIVE_INT64 */
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u32 state[5], curlen;
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unsigned char buf[64];
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};
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struct md5_state {
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#ifdef HAVE_NATIVE_INT64
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u64 length;
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#else
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u32 lengthHi;
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u32 lengthLo;
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#endif /* HAVE_NATIVE_INT64 */
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u32 state[4], curlen;
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unsigned char buf[64];
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};
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typedef union {
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struct sha1_state sha1;
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struct md5_state md5;
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} psDigestContext_t;
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typedef struct {
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unsigned char state[256];
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u32 byteCount;
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unsigned char x;
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unsigned char y;
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} psRc4Key_t;
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#define DES3_KEY_LEN 24
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#define DES3_IV_LEN 8
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#define DES_KEY_LEN 8
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typedef struct {
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u32 ek[3][32], dk[3][32];
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} psDes3Key_t;
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/*
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A block cipher CBC structure
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*/
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typedef struct {
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s32 blocklen;
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unsigned char IV[8];
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psDes3Key_t key;
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} des3_CBC;
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typedef union {
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psRc4Key_t arc4;
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des3_CBC des3;
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psAesCipher_t aes;
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} psCipherContext_t;
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#endif
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/**
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* @brief This function is used to stop random produce.
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*
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* @param[in] None
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_random_stop(void);
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/**
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* @brief This function initializes random digit seed and BIT number.
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*
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* @param[in] seed The random digit seed.
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* @param[in] rng_switch The random digit bit number. (0: 16bit 1:32bit)
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_random_init(u32 seed, CRYPTO_RNG_SWITCH rng_switch);
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/**
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* @brief This function is used to get random digit content.
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*
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* @param[in] out Pointer to the output of random digit.
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* @param[in] len The random digit bit number will output.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_random_bytes(unsigned char *out, u32 len);
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/**
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* @brief This function initializes a RC4 encryption algorithm,
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* i.e. fills the psCipherContext_t structure pointed to by ctx with necessary data.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] key Pointer to the key.
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* @param[in] keylen the length of key.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note The first parameter ctx must be a structure which is allocated externally.
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* And all of Context parameters in the initializing methods should be allocated externally too.
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*/
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int tls_crypto_rc4_init(psCipherContext_t * ctx, const unsigned char *key, u32 keylen);
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/**
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* @brief This function encrypts a variable length data stream according to RC4.
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* The RC4 algorithm it generates a "keystream" which is simply XORed with the plaintext to produce the ciphertext stream.
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* Decryption is exactly the same as encryption. This function also decrypts a variable length data stream according to RC4.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] in Pointer to the input plaintext data stream(or the encrypted text data stream) of variable length.
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* @param[in] out Pointer to the resulting ciphertext data stream.
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* @param[in] len Length of the plaintext data stream in octets.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note The address needs to be four-byte aligned, and it needs to operate in words, not in bytes.
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*/
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int tls_crypto_rc4(psCipherContext_t * ctx, unsigned char *in, unsigned char *out, u32 len);
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/**
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* @brief This function initializes a AES encryption algorithm, i.e. fills the psCipherContext_t structure pointed to by ctx with necessary data.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] IV Pointer to the Initialization Vector
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* @param[in] key Pointer to the key.
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* @param[in] keylen the length of key.
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* @param[in] cbc the encryption mode, AES supports ECB/CBC/CTR modes.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_aes_init(psCipherContext_t * ctx, const unsigned char *IV, const unsigned char *key, u32 keylen, CRYPTO_MODE cbc);
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/**
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* @brief This function encrypts or decrypts a variable length data stream according to AES.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] in Pointer to the input plaintext data stream(or the encrypted text data stream) of variable length.
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* @param[in] out Pointer to the resulting ciphertext data stream.
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* @param[in] len Length of the plaintext data stream in octets.
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* @param[in] dec The cryption way which indicates encryption or decryption.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note The address needs to be four-byte aligned, and it needs to operate in words, not in bytes.
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*/
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int tls_crypto_aes_encrypt_decrypt(psCipherContext_t * ctx, unsigned char *in, unsigned char *out, u32 len, CRYPTO_WAY dec);
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/**
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* @brief This function initializes a 3DES encryption algorithm, i.e. fills the psCipherContext_t structure pointed to by ctx with necessary data.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] IV Pointer to the Initialization Vector
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* @param[in] key Pointer to the key.
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* @param[in] keylen the length of key.
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* @param[in] cbc the encryption mode, 3DES supports ECB/CBC modes.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_3des_init(psCipherContext_t * ctx, const unsigned char *IV, const unsigned char *key, u32 keylen, CRYPTO_MODE cbc);
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/**
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* @brief This function encrypts or decrypts a variable length data stream according to 3DES.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] in Pointer to the input plaintext data stream(or the encrypted text data stream) of variable length.
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* @param[in] out Pointer to the resulting ciphertext data stream.
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* @param[in] len Length of the plaintext data stream in octets.
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* @param[in] dec The cryption way which indicates encryption or decryption.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note The address needs to be four-byte aligned, and it needs to operate in words, not in bytes.
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*/
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int tls_crypto_3des_encrypt_decrypt(psCipherContext_t * ctx, unsigned char *in, unsigned char *out, u32 len, CRYPTO_WAY dec);
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/**
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* @brief This function initializes a DES encryption algorithm, i.e. fills the psCipherContext_t structure pointed to by ctx with necessary data.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] IV Pointer to the Initialization Vector
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* @param[in] key Pointer to the key.
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* @param[in] keylen the length of key.
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* @param[in] cbc the encryption mode, DES supports ECB/CBC modes.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_des_init(psCipherContext_t * ctx, const unsigned char *IV, const unsigned char *key, u32 keylen, CRYPTO_MODE cbc);
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/**
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* @brief This function encrypts or decrypts a variable length data stream according to DES.
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*
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* @param[in] ctx Pointer to the Cipher Context.
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* @param[in] in Pointer to the input plaintext data stream(or the encrypted text data stream) of variable length.
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* @param[in] out Pointer to the resulting ciphertext data stream.
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* @param[in] len Length of the plaintext data stream in octets.
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* @param[in] dec The cryption way which indicates encryption or decryption.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note The address needs to be four-byte aligned, and it needs to operate in words, not in bytes.
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*/
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int tls_crypto_des_encrypt_decrypt(psCipherContext_t * ctx, unsigned char *in, unsigned char *out, u32 len, CRYPTO_WAY dec);
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/**
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* @brief This function initializes a CRC algorithm, i.e. fills the psCrcContext_t structure pointed to by ctx with necessary data.
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*
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* @param[in] ctx Pointer to the CRC Context.
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* @param[in] key The initialization key.
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* @param[in] crc_type The CRC type, supports CRC8/CRC16 MODBUS/CRC16 CCITT/CRC32
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* @param[in] mode Set input or outpu reflect.
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* @param[in] dec The cryption way which indicates encryption or decryption.
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* see OUTPUT_REFLECT
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* see INPUT_REFLECT
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_crc_init(psCrcContext_t * ctx, u32 key, CRYPTO_CRC_TYPE crc_type, u8 mode);
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/**
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* @brief This function updates the CRC value with a variable length bytes.
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* This function may be called as many times as necessary, so the message may be processed in blocks.
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*
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* @param[in] ctx Pointer to the CRC Context.
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* @param[in] in Pointer to a variable length bytes
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* @param[in] len The bytes 's length
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note The address needs to be four-byte aligned.
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*/
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int tls_crypto_crc_update(psCrcContext_t * ctx, unsigned char *in, u32 len);
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/**
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* @brief This function ends a CRC operation and produces a CRC value.
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*
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* @param[in] ctx Pointer to the CRC Context.
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* @param[in] crc_val Pointer to the CRC value.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_crc_final(psCrcContext_t * ctx, u32 *crc_val);
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/**
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* @brief This function initializes Message-Diggest context for usage in SHA1 algorithm, starts a new SHA1 operation and writes a new Digest Context.
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*
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* @param[in] md Pointer to the SHA1 Digest Context.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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void tls_crypto_sha1_init(psDigestContext_t * md);
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/**
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* @brief Process a message block using SHA1 algorithm.
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* This function performs a SHA1 block update operation. It continues an SHA1 message-digest operation,
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* by processing InputLen-byte length message block pointed to by buf, and by updating the SHA1 context pointed to by md.
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* This function may be called as many times as necessary, so the message may be processed in blocks.
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*
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* @param[in] md Pointer to the SHA1 Digest Context.
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* @param[in] buf InputLen-byte length message block
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* @param[in] len The buf 's length
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*
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* @returnl None
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*
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* @note None
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*/
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void tls_crypto_sha1_update(psDigestContext_t * md, const unsigned char *buf, u32 len);
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/**
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* @brief This function ends a SHA1 operation and produces a Message-Digest.
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* This function finalizes SHA1 algorithm, i.e. ends an SHA1 Message-Digest operation,
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* writing the Message-Digest in the 20-byte buffer pointed to by hash in according to the information stored in context.
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*
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* @param[in] md Pointer to the SHA1 Digest Context.
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* @param[in] hash Pointer to the Message-Digest
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*
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* @retval 20 success, return the hash size.
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* @retval <0 failed
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*
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* @note None
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*/
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int tls_crypto_sha1_final(psDigestContext_t * md, unsigned char *hash);
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/**
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* @brief This function initializes Message-Diggest context for usage in MD5 algorithm, starts a new MD5 operation and writes a new Digest Context.
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* This function begins a MD5 Message-Diggest Algorithm, i.e. fills the psDigestContext_t structure pointed to by md with necessary data.
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* MD5 is the algorithm which takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input.
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* It is conjectured that it is computationally infeasible to produce two messages having the same message digest,
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* or to produce any message having a given prespecified target message digest.
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*
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* @param[in] md MD5 Digest Context.
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*
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* @return None
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*
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* @note None
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*/
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void tls_crypto_md5_init(psDigestContext_t * md);
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/**
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* @brief Process a message block using MD5 algorithm.
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* This function performs a MD5 block update operation. It continues an MD5 message-digest operation,
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* by processing InputLen-byte length message block pointed to by buf, and by updating the MD5 context pointed to by md.
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* This function may be called as many times as necessary, so the message may be processed in blocks.
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*
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* @param[in] md MD5 Digest Context.
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* @param[in] buf InputLen-byte length message block
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* @param[in] len The buf 's length
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*
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* @return None
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*
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* @note None
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*/
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void tls_crypto_md5_update(psDigestContext_t * md, const unsigned char *buf, u32 len);
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/**
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* @brief This function ends a MD5 operation and produces a Message-Digest.
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* This function finalizes MD5 algorithm, i.e. ends an MD5 Message-Digest operation,
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* writing the Message-Digest in the 16-byte buffer pointed to by hash in according to the information stored in context.
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*
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* @param[in] md MD5 Digest Context.
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* @param[in] hash the Message-Digest
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*
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* @retval 16 success, return the hash size.
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* @retval <0 failed
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*
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* @note None
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*/
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int tls_crypto_md5_final(psDigestContext_t * md, unsigned char *hash);
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/**
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* @brief This function implements the large module power multiplication algorithm.
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* res = a**e (mod n)
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*
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* @param[in] a Pointer to a bignumber.
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* @param[in] e Pointer to a bignumber.
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* @param[in] n Pointer to a bignumber.
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* @param[out] res Pointer to the result bignumber.
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*
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* @retval 0 success
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* @retval other failed
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*
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* @note None
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*/
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int tls_crypto_exptmod(hstm_int *a, hstm_int *e, hstm_int *n, hstm_int *res);
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/**
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* @brief This function initializes the encryption module.
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*
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* @param None
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*
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* @return None
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*
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* @note None
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*/
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void tls_crypto_init(void);
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#endif
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