MacroRat
Mouse code for the MacroRat
Diff: mbed-dev/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_crypto.c
- Revision:
- 18:6a4db94011d3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_crypto.c Sun May 14 23:18:57 2017 +0000
@@ -0,0 +1,348 @@
+/**************************************************************************//**
+ * @file crypto.c
+ * @version V1.10
+ * $Revision: 11 $
+ * $Date: 14/10/03 1:54p $
+ * @brief Cryptographic Accelerator driver source file
+ *
+ * @note
+ * Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
+*****************************************************************************/
+
+#include <string.h>
+#include "NUC472_442.h"
+
+/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
+ @{
+*/
+
+/** @addtogroup NUC472_442_CRYPTO_Driver CRYPTO Driver
+ @{
+*/
+
+
+/** @addtogroup NUC472_442_CRYPTO_EXPORTED_FUNCTIONS CRYPTO Exported Functions
+ @{
+*/
+
+/// @cond HIDDEN_SYMBOLS
+
+static uint32_t g_AES_CTL[4];
+static uint32_t g_TDES_CTL[4];
+
+/// @endcond HIDDEN_SYMBOLS
+
+/**
+ * @brief Open PRNG function
+ * @param[in] u32KeySize is PRNG key size, including:
+ * - \ref PRNG_KEY_SIZE_64
+ * - \ref PRNG_KEY_SIZE_128
+ * - \ref PRNG_KEY_SIZE_192
+ * - \ref PRNG_KEY_SIZE_256
+ * @param[in] u32SeedReload is PRNG seed reload or not, including:
+ * - \ref PRNG_SEED_CONT
+ * - \ref PRNG_SEED_RELOAD
+ * @param[in] u32Seed The new seed. Only valid when u32SeedReload is PRNG_SEED_RELOAD.
+ * @return None
+ */
+void PRNG_Open(uint32_t u32KeySize, uint32_t u32SeedReload, uint32_t u32Seed)
+{
+ if (u32SeedReload)
+ CRPT->PRNG_SEED = u32Seed;
+
+ CRPT->PRNG_CTL = (u32KeySize << CRPT_PRNG_CTL_KEYSZ_Pos) |
+ (u32SeedReload << CRPT_PRNG_CTL_SEEDRLD_Pos);
+}
+
+/**
+ * @brief Start to generate one PRNG key.
+ * @param None
+ * @return None
+ */
+void PRNG_Start(void)
+{
+ CRPT->PRNG_CTL |= CRPT_PRNG_CTL_START_Msk;
+}
+
+/**
+ * @brief Read the PRNG key.
+ * @param[out] u32RandKey The key buffer to store newly generated PRNG key.
+ * @return None
+ */
+void PRNG_Read(uint32_t u32RandKey[])
+{
+ int i, wcnt;
+
+ wcnt = (((CRPT->PRNG_CTL & CRPT_PRNG_CTL_KEYSZ_Msk)>>CRPT_PRNG_CTL_KEYSZ_Pos)+1)*2;
+ for (i = 0; i < wcnt; i++)
+ u32RandKey[i] = *(uint32_t *)((uint32_t)&(CRPT->PRNG_KEY0) + (i * 4));
+}
+
+
+/**
+ * @brief Open AES encrypt/decrypt function.
+ * @param[in] u32Channel AES channel. Must be 0~3.
+ * @param[in] u32EncDec 1: AES encode; 0: AES decode
+ * @param[in] u32OpMode AES operation mode, including:
+ * - \ref AES_MODE_ECB
+ * - \ref AES_MODE_CBC
+ * - \ref AES_MODE_CFB
+ * - \ref AES_MODE_OFB
+ * - \ref AES_MODE_CTR
+ * - \ref AES_MODE_CBC_CS1
+ * - \ref AES_MODE_CBC_CS2
+ * - \ref AES_MODE_CBC_CS3
+ * @param[in] u32KeySize is AES key size, including:
+ * - \ref AES_KEY_SIZE_128
+ * - \ref AES_KEY_SIZE_192
+ * - \ref AES_KEY_SIZE_256
+ * @param[in] u32SwapType is AES input/output data swap control, including:
+ * - \ref AES_NO_SWAP
+ * - \ref AES_OUT_SWAP
+ * - \ref AES_IN_SWAP
+ * - \ref AES_IN_OUT_SWAP
+ * @return None
+ */
+void AES_Open(uint32_t u32Channel, uint32_t u32EncDec,
+ uint32_t u32OpMode, uint32_t u32KeySize, uint32_t u32SwapType)
+{
+ CRPT->AES_CTL = (u32Channel << CRPT_AES_CTL_CHANNEL_Pos) |
+ (u32EncDec << CRPT_AES_CTL_ENCRPT_Pos) |
+ (u32OpMode << CRPT_AES_CTL_OPMODE_Pos) |
+ (u32KeySize << CRPT_AES_CTL_KEYSZ_Pos) |
+ (u32SwapType << CRPT_AES_CTL_OUTSWAP_Pos);
+ g_AES_CTL[u32Channel] = CRPT->AES_CTL;
+}
+
+/**
+ * @brief Start AES encrypt/decrypt
+ * @param[in] u32Channel AES channel. Must be 0~3.
+ * @param[in] u32DMAMode AES DMA control, including:
+ * - \ref CRYPTO_DMA_ONE_SHOT One shop AES encrypt/decrypt.
+ * - \ref CRYPTO_DMA_CONTINUE Continuous AES encrypt/decrypt.
+ * - \ref CRYPTO_DMA_LAST Last AES encrypt/decrypt of a series of AES_Start.
+ * @return None
+ */
+void AES_Start(int32_t u32Channel, uint32_t u32DMAMode)
+{
+ CRPT->AES_CTL = g_AES_CTL[u32Channel];
+ CRPT->AES_CTL |= CRPT_AES_CTL_START_Msk | (u32DMAMode << CRPT_AES_CTL_DMALAST_Pos);
+}
+
+/**
+ * @brief Set AES keys
+ * @param[in] u32Channel AES channel. Must be 0~3.
+ * @param[in] au32Keys An word array contains AES keys.
+ * @param[in] u32KeySize is AES key size, including:
+ * - \ref AES_KEY_SIZE_128
+ * - \ref AES_KEY_SIZE_192
+ * - \ref AES_KEY_SIZE_256
+ * @return None
+ */
+void AES_SetKey(uint32_t u32Channel, uint32_t au32Keys[], uint32_t u32KeySize)
+{
+ int i, wcnt;
+ uint32_t *key_ptr;
+
+ key_ptr = (uint32_t *)((uint32_t)&CRPT->AES0_KEY0 + (u32Channel * 0x3C));
+ wcnt = 4 + u32KeySize*2;
+ for (i = 0; i < wcnt; i++, key_ptr++)
+ *key_ptr = au32Keys[i];
+}
+
+/**
+ * @brief Set AES initial vectors
+ * @param[in] u32Channel AES channel. Must be 0~3.
+ * @param[in] au32IV A four entry word array contains AES initial vectors.
+ * @return None
+ */
+void AES_SetInitVect(uint32_t u32Channel, uint32_t au32IV[])
+{
+ int i;
+ uint32_t *key_ptr;
+
+ key_ptr = (uint32_t *)((uint32_t)&CRPT->AES0_IV0 + (u32Channel * 0x3C));
+ for (i = 0; i < 4; i++, key_ptr++)
+ *key_ptr = au32IV[i];
+}
+
+/**
+ * @brief Set AES DMA transfer configuration.
+ * @param[in] u32Channel AES channel. Must be 0~3.
+ * @param[in] u32SrcAddr AES DMA source address
+ * @param[in] u32DstAddr AES DMA destination address
+ * @param[in] u32TransCnt AES DMA transfer byte count
+ * @return None
+ */
+void AES_SetDMATransfer(uint32_t u32Channel, uint32_t u32SrcAddr,
+ uint32_t u32DstAddr, uint32_t u32TransCnt)
+{
+ *(uint32_t *)((uint32_t)&CRPT->AES0_SADDR + (u32Channel * 0x3C)) = u32SrcAddr;
+ *(uint32_t *)((uint32_t)&CRPT->AES0_DADDR + (u32Channel * 0x3C)) = u32DstAddr;
+ *(uint32_t *)((uint32_t)&CRPT->AES0_CNT + (u32Channel * 0x3C)) = u32TransCnt;
+}
+
+/**
+ * @brief Open TDES encrypt/decrypt function.
+ * @param[in] u32Channel TDES channel. Must be 0~3.
+ * @param[in] u32EncDec 1: TDES encode; 0: TDES decode
+ * @param[in] u32OpMode TDES operation mode, including:
+ * - \ref TDES_MODE_ECB
+ * - \ref TDES_MODE_CBC
+ * - \ref TDES_MODE_CFB
+ * - \ref TDES_MODE_OFB
+ * - \ref TDES_MODE_CTR
+ * @param[in] u32SwapType is TDES input/output data swap control and word swap control, including:
+ * - \ref TDES_NO_SWAP
+ * - \ref TDES_WHL_SWAP
+ * - \ref TDES_OUT_SWAP
+ * - \ref TDES_OUT_WHL_SWAP
+ * - \ref TDES_IN_SWAP
+ * - \ref TDES_IN_WHL_SWAP
+ * - \ref TDES_IN_OUT_SWAP
+ * - \ref TDES_IN_OUT_WHL_SWAP
+ * @return None
+ */
+void TDES_Open(uint32_t u32Channel, uint32_t u32EncDec, uint32_t u32OpMode, uint32_t u32SwapType)
+{
+ g_TDES_CTL[u32Channel] = (u32Channel << CRPT_TDES_CTL_CHANNEL_Pos) |
+ (u32EncDec << CRPT_TDES_CTL_ENCRPT_Pos) |
+ u32OpMode |
+ (u32SwapType << CRPT_TDES_CTL_BLKSWAP_Pos);
+}
+
+/**
+ * @brief Start TDES encrypt/decrypt
+ * @param[in] u32Channel TDES channel. Must be 0~3.
+ * @param[in] u32DMAMode TDES DMA control, including:
+ * - \ref CRYPTO_DMA_ONE_SHOT One shop TDES encrypt/decrypt.
+ * - \ref CRYPTO_DMA_CONTINUE Continuous TDES encrypt/decrypt.
+ * - \ref CRYPTO_DMA_LAST Last TDES encrypt/decrypt of a series of TDES_Start.
+ * @return None
+ */
+void TDES_Start(int32_t u32Channel, uint32_t u32DMAMode)
+{
+ g_TDES_CTL[u32Channel] |= CRPT_TDES_CTL_START_Msk | (u32DMAMode << CRPT_TDES_CTL_DMALAST_Pos);
+ CRPT->TDES_CTL = g_TDES_CTL[u32Channel];
+}
+
+/**
+ * @brief Set TDES keys
+ * @param[in] u32Channel TDES channel. Must be 0~3.
+ * @param[in] au8Keys The TDES keys.
+ * @return None
+ */
+void TDES_SetKey(uint32_t u32Channel, uint8_t au8Keys[3][8])
+{
+ int i;
+ uint8_t *pu8TKey;
+
+ pu8TKey = (uint8_t *)((uint32_t)&CRPT->TDES0_KEY1H + (0x40 * u32Channel));
+ for (i = 0; i < 3; i++, pu8TKey+=8)
+ memcpy(pu8TKey, &au8Keys[i][0], 8);
+}
+
+/**
+ * @brief Set TDES initial vectors
+ * @param[in] u32Channel TDES channel. Must be 0~3.
+ * @param[in] u32IVH TDES initial vector high word.
+ * @param[in] u32IVL TDES initial vector low word.
+ * @return None
+ */
+void TDES_SetInitVect(uint32_t u32Channel, uint32_t u32IVH, uint32_t u32IVL)
+{
+ *(uint32_t *)((uint32_t)&CRPT->TDES0_IVH + 0x40 * u32Channel) = u32IVH;
+ *(uint32_t *)((uint32_t)&CRPT->TDES0_IVL + 0x40 * u32Channel) = u32IVL;
+}
+
+/**
+ * @brief Set TDES DMA transfer configuration.
+ * @param[in] u32Channel TDES channel. Must be 0~3.
+ * @param[in] u32SrcAddr TDES DMA source address
+ * @param[in] u32DstAddr TDES DMA destination address
+ * @param[in] u32TransCnt TDES DMA transfer byte count
+ * @return None
+ */
+void TDES_SetDMATransfer(uint32_t u32Channel, uint32_t u32SrcAddr,
+ uint32_t u32DstAddr, uint32_t u32TransCnt)
+{
+ *(uint32_t *)((uint32_t)&CRPT->TDES0_SADDR + (u32Channel * 0x40)) = u32SrcAddr;
+ *(uint32_t *)((uint32_t)&CRPT->TDES0_DADDR + (u32Channel * 0x40)) = u32DstAddr;
+ *(uint32_t *)((uint32_t)&CRPT->TDES0_CNT + (u32Channel * 0x40)) = u32TransCnt;
+}
+
+/**
+ * @brief Open SHA encrypt function.
+ * @param[in] u32OpMode SHA operation mode, including:
+ * - \ref SHA_MODE_SHA1
+ * - \ref SHA_MODE_SHA224
+ * - \ref SHA_MODE_SHA256
+ * @param[in] u32SwapType is SHA input/output data swap control, including:
+ * - \ref SHA_NO_SWAP
+ * - \ref SHA_OUT_SWAP
+ * - \ref SHA_IN_SWAP
+ * - \ref SHA_IN_OUT_SWAP
+ * @return None
+ */
+void SHA_Open(uint32_t u32OpMode, uint32_t u32SwapType)
+{
+ CRPT->SHA_CTL = (u32OpMode << CRPT_SHA_CTL_OPMODE_Pos) |
+ (u32SwapType << CRPT_SHA_CTL_OUTSWAP_Pos);
+}
+
+/**
+ * @brief Start SHA encrypt
+ * @param[in] u32DMAMode TDES DMA control, including:
+ * - \ref CRYPTO_DMA_ONE_SHOT One shop SHA encrypt.
+ * - \ref CRYPTO_DMA_CONTINUE Continuous SHA encrypt.
+ * - \ref CRYPTO_DMA_LAST Last SHA encrypt of a series of SHA_Start.
+ * @return None
+ */
+void SHA_Start(uint32_t u32DMAMode)
+{
+ CRPT->SHA_CTL &= ~(0x7 << CRPT_SHA_CTL_DMALAST_Pos);
+ CRPT->SHA_CTL |= CRPT_SHA_CTL_START_Msk | (u32DMAMode << CRPT_SHA_CTL_DMALAST_Pos);
+}
+
+/**
+ * @brief Set SHA DMA transfer
+ * @param[in] u32SrcAddr SHA DMA source address
+ * @param[in] u32TransCnt SHA DMA transfer byte count
+ * @return None
+ */
+void SHA_SetDMATransfer(uint32_t u32SrcAddr, uint32_t u32TransCnt)
+{
+ CRPT->SHA_SADDR = u32SrcAddr;
+ CRPT->SHA_DMACNT = u32TransCnt;
+}
+
+/**
+ * @brief Read the SHA digest.
+ * @param[out] u32Digest The SHA encrypt output digest.
+ * @return None
+ */
+void SHA_Read(uint32_t u32Digest[])
+{
+ uint32_t i, wcnt;
+
+ i = (CRPT->SHA_CTL & CRPT_SHA_CTL_OPMODE_Msk) >> CRPT_SHA_CTL_OPMODE_Pos;
+ if (i == SHA_MODE_SHA1)
+ wcnt = 5;
+ else if (i == SHA_MODE_SHA224)
+ wcnt = 7;
+ else
+ wcnt = 8;
+
+ for (i = 0; i < wcnt; i++)
+ u32Digest[i] = *(uint32_t *)((uint32_t)&(CRPT->SHA_DGST0) + (i * 4));
+}
+
+
+/*@}*/ /* end of group NUC472_442_CRYPTO_EXPORTED_FUNCTIONS */
+
+/*@}*/ /* end of group NUC472_442_CRYPTO_Driver */
+
+/*@}*/ /* end of group NUC472_442_Device_Driver */
+
+/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
+