rom_crypto.h File Reference

Data Structures
struct	SHA256_memory_t
	A SHA256_memory_t variable of this type must be allocated before running any SHA256 functions. More...

Macros
#define	ECC_WINDOW_SIZE   3
#define	ECC_PRIME_NIST256_CURVE
#define	ECC_MODULUS_EVEN   0xDC
#define	ECC_MODULUS_LARGER_THAN_255_WORDS   0xD2
#define	ECC_MODULUS_LENGTH_ZERO   0x08
#define	ECC_MODULUS_MSW_IS_ZERO   0x30
#define	ECC_SCALAR_TOO_LONG   0x35
#define	ECC_SCALAR_LENGTH_ZERO   0x53
#define	ECC_ORDER_TOO_LONG   0xC6
#define	ECC_ORDER_LENGTH_ZERO   0x6C
#define	ECC_X_COORD_TOO_LONG   0x3C
#define	ECC_X_COORD_LENGTH_ZERO   0xC3
#define	ECC_Y_COORD_TOO_LONG   0x65
#define	ECC_Y_COORD_LENGTH_ZERO   0x56
#define	ECC_A_COEF_TOO_LONG   0x5C
#define	ECC_A_COEF_LENGTH_ZERO   0xC5
#define	ECC_BAD_WINDOW_SIZE   0x66
#define	ECC_SCALAR_MUL_OK   0x99
#define	ECC_ORDER_LARGER_THAN_255_WORDS   0x28
#define	ECC_ORDER_EVEN   0x82
#define	ECC_ORDER_MSW_IS_ZERO   0x23
#define	ECC_ECC_KEY_TOO_LONG   0x25
#define	ECC_ECC_KEY_LENGTH_ZERO   0x52
#define	ECC_DIGEST_TOO_LONG   0x27
#define	ECC_DIGEST_LENGTH_ZERO   0x72
#define	ECC_ECDSA_SIGN_OK   0x32
#define	ECC_ECDSA_INVALID_SIGNATURE   0x5A
#define	ECC_ECDSA_VALID_SIGNATURE   0xA5
#define	ECC_SIG_P1_TOO_LONG   0x11
#define	ECC_SIG_P1_LENGTH_ZERO   0x12
#define	ECC_SIG_P2_TOO_LONG   0x22
#define	ECC_SIG_P2_LENGTH_ZERO   0x21
#define	ECC_ECDSA_KEYGEN_OK   ECC_SCALAR_MUL_OK
#define	ECC_ECDH_KEYGEN_OK   ECC_SCALAR_MUL_OK
#define	ECC_ECDH_COMMON_KEY_OK   ECC_SCALAR_MUL_OK

Functions
void	AES_ECB_EncryptData (uint8_t *text, uint16_t textLen, uint8_t *aesKey)
	Use a random 128 bit key to encrypt data with the AES. More...
void	AES_ECB_DecryptData (uint8_t *text, uint16_t textLen, uint8_t *aesKey)
	Use a random 128 bit key to decrypt data with the AES. More...
int8_t	AES_CCM_EncryptData (uint8_t encryptFlag, uint8_t MACLen, uint8_t *nonce, uint8_t *plainText, uint16_t textLen, uint8_t *addDataBuf, uint16_t addBufLen, uint8_t *aesKey, uint8_t *MAC, uint8_t ccmLVal)
	Authenticate and optionally encrypt message plainText. More...
int8_t	AES_CCM_DecryptData (uint8_t decryptFlag, uint8_t MACLen, uint8_t *nonce, uint8_t *cipherText, uint16_t textLen, uint8_t *addDataBuf, uint16_t addBufLen, uint8_t *aesKey, uint8_t *MAC, uint8_t ccmLVal)
	Authenticate and optionally decrypt message cipherText. More...
uint8_t	AES_CTR_EncryptData (uint8_t *plainText, uint16_t textLen, uint8_t *aesKey, uint8_t *nonce, uint8_t *initVector)
	Encrypt plaintext using the AES key, nonce and initialization vector. More...
uint8_t	AES_CTR_DecryptData (uint8_t *cipherText, uint16_t textLen, uint8_t *aesKey, uint8_t *nonce, uint8_t *initVector)
	Decrypt ciphertext using the AES key, nonce and initialization vector. More...
void	ECC_initialize (uint32_t *pWorkzone)
	Pass pointer to ECC memory allocation to ECC engine. More...
uint8_t	ECC_generateKey (uint32_t *randString, uint32_t *privateKey, uint32_t *publicKey_x, uint32_t *publicKey_y)
	Generate a key. More...
uint8_t	ECC_ECDSA_sign (uint32_t *secretKey, uint32_t *text, uint32_t *randString, uint32_t *sign1, uint32_t *sign2)
	Sign data. More...
uint8_t	ECC_ECDSA_verify (uint32_t *publicKey_x, uint32_t *publicKey_y, uint32_t *text, uint32_t *sign1, uint32_t *sign2)
	Verify signature. More...
uint8_t	ECC_ECDH_computeSharedSecret (uint32_t *privateKey, uint32_t *publicKey_x, uint32_t *publicKey_y, uint32_t *sharedSecret_x, uint32_t *sharedSecret_y)
	Compute the shared secret. More...
uint8_t	SHA256_runFullAlgorithm (SHA256_memory_t *memory, uint8_t *pBufIn, uint32_t bufLen, uint8_t *pBufOut)
	Perform SHA256 on the input data. More...
uint8_t	SHA256_initialize (SHA256_memory_t *workZone)
	Intializes the SHA256 engine. More...
uint8_t	SHA256_execute (SHA256_memory_t *config, uint8_t *pBufIn, uint32_t bufLen)
	Perform SHA256. More...
uint8_t	SHA256_output (SHA256_memory_t *memory, uint8_t *pBufOut)
	Complete the process by passing the modified data back. More...