Component: TinySecM

Author:

Chris Karlof

Required Interfaces

• BlockCipherMode
• MAC
• Random
• BlockCipherInfo
• TinySecRadio
• Leds

• TinySec
• TinySecControl

• bool initialized
• int16_t txlength = 0
• int16_t rxlength = 0
• bool txencrypt = TRUE
• bool rxdecrypt = TRUE
• int16_t TxByteCnt = 0
• int16_t RxByteCnt = 0
• int16_t recDataLength = 0
• int16_t sendDataLength = 0
• uint8_t compute_mac_state
• uint8_t decrypt_state
• uint8_t blockSize
• struct TinySecM.computeMACBuffer { bool computeMACWaiting; bool computeMACInitWaiting; uint8_t position; uint8_t amount; bool finishMACWaiting; } computeMACBuffer
• struct TinySecM.decryptBuffer { bool decryptWaiting; bool decryptInitWaiting; uint8_t position; uint8_t amount; } decryptBuffer
• CipherModeContext cipherModeContext
• MACContext macContext
• uint8_t iv[TinySecM.TINYSECM_MAX_BLOCK_SIZE]
• TinySec_Msg tinysec_rec_buffer
• TinySec_Msg tinysec_send_buffer
• TinySec_Msg *ciphertext_send_ptr
• TinySec_Msg *ciphertext_rec_ptr
• TOS_Msg_TinySecCompat *cleartext_send_ptr
• TOS_Msg_TinySecCompat *cleartext_rec_ptr
• bool test_state = FALSE
• result_t decryptIncrementalInit(void)
• result_t decryptIncremental(uint8_t incr_decrypt_start, uint8_t amount)
• result_t MACincrementalInit(void)
• result_t computeMACIncremental(uint8_t incr_mac_start, uint8_t amount)
• result_t computeMACIncrementalFinish(void)
• result_t verifyMAC(void)
• result_t computeMAC(void)
• result_t encrypt(void)
• result_t noEncrypt(void)
• result_t checkedQueuedCrypto(void)

• command result_t TinySecControl.init (uint8_t keySize, uint8_t *encryptionKey, uint8_t *MACKey) Initializes TinySec.

• bool interruptDisable(void)
• result_t interruptEnable(void)
• result_t postIncrementalMACInit(void)
• result_t postIncrementalMAC(uint8_t incr_mac_start, uint8_t amount)
• result_t postIncrementalMACFinish(void)
• result_t postIncrementalDecryptInit(void)
• result_t postIncrementalDecrypt(uint8_t incr_decrypt_start, uint8_t amount)
• result_t checkQueuedCrypto(void)
• result_t decryptIncrementalInit(void)
• result_t decryptIncremental(uint8_t incr_decrypt_start, uint8_t amount)
• result_t MACincrementalInit(void)
• result_t computeMACIncremental(uint8_t incr_mac_start, uint8_t amount)
• result_t computeMACIncrementalFinish(void)
• result_t verifyMAC(void)
• async command result_t TinySec.receiveInit (TOS_Msg_TinySecCompat *cleartext_ptr) *************** Receive code ****************************

• async event result_t TinySecRadio.byteReceived (uint8_t byte)
• async command uint16_t TinySec.sendInit (TOS_Msg_TinySecCompat *cleartext_ptr) **************** Send code ***************************

• result_t computeMAC(void)
• result_t addPadding(TOS_Msg_TinySecCompat *bufptr, uint16_t dataLength)
• result_t encrypt(void)
• result_t noEncrypt(void)
• async command result_t TinySec.send (void)
• async event uint8_t TinySecRadio.getTransmitByte (void)

TinySecControl.init