em_crypto.h File Reference

Cryptography accelerator peripheral API.

Version
5.4.0

License

Copyright 2016 Silicon Laboratories, Inc. www.silabs.com

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Definition in file em_crypto.h .

#include " em_device.h "
#include " em_bus.h "
#include <stdbool.h>

Macros

#define CRYPTO_INSTRUCTIONSEQUENSE_DEFAULT
#define CRYPTO_MAX_SEQUENCE_INSTRUCTIONS (20)

Typedefs

typedef void(* CRYPTO_AES_CtrFuncPtr_TypeDef ) (uint8_t *ctr)
AES counter modification function pointer.
typedef uint32_t CRYPTO_Data260_TypeDef [CRYPTO_DATA260_SIZE_IN_32BIT_WORDS]
typedef uint32_t CRYPTO_Data_TypeDef [CRYPTO_DATA_SIZE_IN_32BIT_WORDS]
typedef volatile uint32_t * CRYPTO_DataReg_TypeDef
typedef uint32_t CRYPTO_DData_TypeDef [CRYPTO_DDATA_SIZE_IN_32BIT_WORDS]
typedef volatile uint32_t * CRYPTO_DDataReg_TypeDef
typedef uint8_t CRYPTO_InstructionSequence_TypeDef [ CRYPTO_MAX_SEQUENCE_INSTRUCTIONS ]
typedef uint32_t CRYPTO_KeyBuf_TypeDef [CRYPTO_KEYBUF_SIZE_IN_32BIT_WORDS]
typedef uint32_t CRYPTO_QData_TypeDef [CRYPTO_QDATA_SIZE_IN_32BIT_WORDS]
typedef volatile uint32_t * CRYPTO_QDataReg_TypeDef
typedef uint8_t CRYPTO_SHA1_Digest_TypeDef [CRYPTO_SHA1_DIGEST_SIZE_IN_BYTES]
typedef uint8_t CRYPTO_SHA256_Digest_TypeDef [CRYPTO_SHA256_DIGEST_SIZE_IN_BYTES]

Enumerations

enum CRYPTO_IncWidth_TypeDef {
cryptoInc1byte = CRYPTO_CTRL_INCWIDTH_INCWIDTH1,
cryptoInc2byte = CRYPTO_CTRL_INCWIDTH_INCWIDTH2,
cryptoInc3byte = CRYPTO_CTRL_INCWIDTH_INCWIDTH3,
cryptoInc4byte = CRYPTO_CTRL_INCWIDTH_INCWIDTH4
}
enum CRYPTO_KeyWidth_TypeDef {
cryptoKey128Bits = 8,
cryptoKey256Bits = 16
}
enum CRYPTO_ModulusId_TypeDef {
cryptoModulusBin256 = CRYPTO_WAC_MODULUS_BIN256,
cryptoModulusBin128 = CRYPTO_WAC_MODULUS_BIN128,
cryptoModulusGcmBin128 = CRYPTO_WAC_MODULUS_GCMBIN128,
cryptoModulusEccB233 = CRYPTO_WAC_MODULUS_ECCBIN233P,
cryptoModulusEccB163 = CRYPTO_WAC_MODULUS_ECCBIN163P,
cryptoModulusEccP256 = CRYPTO_WAC_MODULUS_ECCPRIME256P,
cryptoModulusEccP224 = CRYPTO_WAC_MODULUS_ECCPRIME224P,
cryptoModulusEccP192 = CRYPTO_WAC_MODULUS_ECCPRIME192P,
cryptoModulusEccB233Order = CRYPTO_WAC_MODULUS_ECCBIN233N,
cryptoModulusEccB233KOrder = CRYPTO_WAC_MODULUS_ECCBIN233KN,
cryptoModulusEccB163Order = CRYPTO_WAC_MODULUS_ECCBIN163N,
cryptoModulusEccB163KOrder = CRYPTO_WAC_MODULUS_ECCBIN163KN,
cryptoModulusEccP256Order = CRYPTO_WAC_MODULUS_ECCPRIME256N,
cryptoModulusEccP224Order = CRYPTO_WAC_MODULUS_ECCPRIME224N,
cryptoModulusEccP192Order = CRYPTO_WAC_MODULUS_ECCPRIME192N
}
enum CRYPTO_MulOperandWidth_TypeDef {
cryptoMulOperand256Bits = CRYPTO_WAC_MULWIDTH_MUL256,
cryptoMulOperand128Bits = CRYPTO_WAC_MULWIDTH_MUL128,
cryptoMulOperandModulusBits = CRYPTO_WAC_MULWIDTH_MULMOD
}
enum CRYPTO_ResultWidth_TypeDef {
cryptoResult128Bits = CRYPTO_WAC_RESULTWIDTH_128BIT,
cryptoResult256Bits = CRYPTO_WAC_RESULTWIDTH_256BIT,
cryptoResult260Bits = CRYPTO_WAC_RESULTWIDTH_260BIT
}

Functions

__STATIC_INLINE void AES_CBC128 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher-block chaining (CBC) cipher mode encryption/decryption, 128 bit key.
__STATIC_INLINE void AES_CBC256 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher-block chaining (CBC) cipher mode encryption/decryption, 256 bit key.
__STATIC_INLINE void AES_CFB128 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher feedback (CFB) cipher mode encryption/decryption, 128 bit key.
__STATIC_INLINE void AES_CFB256 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher feedback (CFB) cipher mode encryption/decryption, 256 bit key.
__STATIC_INLINE void AES_CTR128 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, uint8_t *ctr, CRYPTO_AES_CtrFuncPtr_TypeDef ctrFunc)
AES Counter (CTR) cipher mode encryption/decryption, 128 bit key.
__STATIC_INLINE void AES_CTR256 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, uint8_t *ctr, CRYPTO_AES_CtrFuncPtr_TypeDef ctrFunc)
AES Counter (CTR) cipher mode encryption/decryption, 256 bit key.
__STATIC_INLINE void AES_CTRUpdate32Bit (uint8_t *ctr)
Update last 32 bits of 128 bit counter, by incrementing with 1.
__STATIC_INLINE void AES_DecryptKey128 (uint8_t *out, const uint8_t *in)
Generate 128 bit AES decryption key from 128 bit encryption key. The decryption key is used for some cipher modes when decrypting.
__STATIC_INLINE void AES_DecryptKey256 (uint8_t *out, const uint8_t *in)
Generate 256 bit AES decryption key from 256 bit encryption key. The decryption key is used for some cipher modes when decrypting.
__STATIC_INLINE void AES_ECB128 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, bool encrypt)
AES Electronic Codebook (ECB) cipher mode encryption/decryption, 128 bit key.
__STATIC_INLINE void AES_ECB256 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, bool encrypt)
AES Electronic Codebook (ECB) cipher mode encryption/decryption, 256 bit key.
__STATIC_INLINE void AES_OFB128 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv)
AES Output feedback (OFB) cipher mode encryption/decryption, 128 bit key.
__STATIC_INLINE void AES_OFB256 (uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv)
AES Output feedback (OFB) cipher mode encryption/decryption, 256 bit key.
void CRYPTO_AES_CBC128 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher-block chaining (CBC) cipher mode encryption/decryption, 128 bit key.
void CRYPTO_AES_CBC256 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher-block chaining (CBC) cipher mode encryption/decryption, 256 bit key.
void CRYPTO_AES_CFB128 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher feedback (CFB) cipher mode encryption/decryption, 128 bit key.
void CRYPTO_AES_CFB256 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv, bool encrypt)
AES Cipher feedback (CFB) cipher mode encryption/decryption, 256 bit key.
void CRYPTO_AES_CTR128 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, uint8_t *ctr, CRYPTO_AES_CtrFuncPtr_TypeDef ctrFunc)
AES Counter (CTR) cipher mode encryption/decryption, 128 bit key.
void CRYPTO_AES_CTR256 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, uint8_t *ctr, CRYPTO_AES_CtrFuncPtr_TypeDef ctrFunc)
AES Counter (CTR) cipher mode encryption/decryption, 256 bit key.
void CRYPTO_AES_CTRUpdate32Bit (uint8_t *ctr)
Update last 32 bits of 128 bit counter, by incrementing with 1.
void CRYPTO_AES_DecryptKey128 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in)
Generate 128 bit AES decryption key from 128 bit encryption key. The decryption key is used for some cipher modes when decrypting.
void CRYPTO_AES_DecryptKey256 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in)
Generate 256 bit AES decryption key from 256 bit encryption key. The decryption key is used for some cipher modes when decrypting.
void CRYPTO_AES_ECB128 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, bool encrypt)
AES Electronic Codebook (ECB) cipher mode encryption/decryption, 128 bit key.
void CRYPTO_AES_ECB256 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, bool encrypt)
AES Electronic Codebook (ECB) cipher mode encryption/decryption, 256 bit key.
void CRYPTO_AES_OFB128 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv)
AES Output feedback (OFB) cipher mode encryption/decryption, 128 bit key.
void CRYPTO_AES_OFB256 ( CRYPTO_TypeDef *crypto, uint8_t *out, const uint8_t *in, unsigned int len, const uint8_t *key, const uint8_t *iv)
AES Output feedback (OFB) cipher mode encryption/decryption, 256 bit key.
__STATIC_INLINE void CRYPTO_BurstFromCrypto (volatile uint32_t *reg, uint32_t *val)
Read a 128 bit value from a crypto register.
__STATIC_INLINE void CRYPTO_BurstToCrypto (volatile uint32_t *reg, const uint32_t *val)
Write a 128 bit value into a crypto register.
__STATIC_INLINE bool CRYPTO_CarryIsSet ( CRYPTO_TypeDef *crypto)
Quick read access of the Carry bit from arithmetic operations.
__STATIC_INLINE void CRYPTO_DataRead ( CRYPTO_DataReg_TypeDef dataReg, CRYPTO_Data_TypeDef val)
Read 128 bits of data from a DATAX register in the CRYPTO module.
__STATIC_INLINE void CRYPTO_DataWrite ( CRYPTO_DataReg_TypeDef dataReg, const CRYPTO_Data_TypeDef val)
Write 128 bits of data to a DATAX register in the CRYPTO module.
__STATIC_INLINE uint8_t CRYPTO_DData0_4LSBitsRead ( CRYPTO_TypeDef *crypto)
Quick read access of the 4 LSbits of the DDATA0 register.
__STATIC_INLINE void CRYPTO_DData0Read260 ( CRYPTO_TypeDef *crypto, CRYPTO_Data260_TypeDef val)
Read 260 bits from the DDATA0 register.
__STATIC_INLINE void CRYPTO_DData0Write260 ( CRYPTO_TypeDef *crypto, const CRYPTO_Data260_TypeDef val)
Write 260 bits to the DDATA0 register.
__STATIC_INLINE bool CRYPTO_DData1_MSBitRead ( CRYPTO_TypeDef *crypto)
Quick read the MSbit of the DDATA1 register.
__STATIC_INLINE void CRYPTO_DDataRead ( CRYPTO_DDataReg_TypeDef ddataReg, CRYPTO_DData_TypeDef val)
Read 256 bits of data from a DDATAX register in the CRYPTO module.
__STATIC_INLINE void CRYPTO_DDataWrite ( CRYPTO_DDataReg_TypeDef ddataReg, const CRYPTO_DData_TypeDef val)
Write 256 bits of data to a DDATAX register in the CRYPTO module.
__STATIC_INLINE void CRYPTO_IncWidthSet ( CRYPTO_TypeDef *crypto, CRYPTO_IncWidth_TypeDef incWidth)
Set the width of the DATA1 increment instruction DATA1INC.
__STATIC_INLINE bool CRYPTO_InstructionSequenceDone ( CRYPTO_TypeDef *crypto)
Check whether the execution of an instruction sequence has completed.
__STATIC_INLINE void CRYPTO_InstructionSequenceExecute ( CRYPTO_TypeDef *crypto)
Execute the current programmed instruction sequence.
__STATIC_INLINE void CRYPTO_InstructionSequenceLoad ( CRYPTO_TypeDef *crypto, const CRYPTO_InstructionSequence_TypeDef instructionSequence)
Load a sequence of instructions to be executed on the current values in the data registers.
__STATIC_INLINE void CRYPTO_InstructionSequenceWait ( CRYPTO_TypeDef *crypto)
Wait for completion of the current sequence of instructions.
__STATIC_INLINE void CRYPTO_InstructionWait ( CRYPTO_TypeDef *crypto)
Wait for completion of the current command.
__STATIC_INLINE void CRYPTO_IntClear ( CRYPTO_TypeDef *crypto, uint32_t flags)
Clear one or more pending CRYPTO interrupts.
__STATIC_INLINE void CRYPTO_IntDisable ( CRYPTO_TypeDef *crypto, uint32_t flags)
Disable one or more CRYPTO interrupts.
__STATIC_INLINE void CRYPTO_IntEnable ( CRYPTO_TypeDef *crypto, uint32_t flags)
Enable one or more CRYPTO interrupts.
__STATIC_INLINE uint32_t CRYPTO_IntGet ( CRYPTO_TypeDef *crypto)
Get pending CRYPTO interrupt flags.
__STATIC_INLINE uint32_t CRYPTO_IntGetEnabled ( CRYPTO_TypeDef *crypto)
Get enabled and pending CRYPTO interrupt flags. Useful for handling more interrupt sources in the same interrupt handler.
__STATIC_INLINE void CRYPTO_IntSet ( CRYPTO_TypeDef *crypto, uint32_t flags)
Set one or more pending CRYPTO interrupts from SW.
__STATIC_INLINE void CRYPTO_KeyBuf128Write ( CRYPTO_TypeDef *crypto, const uint32_t *val)
Quick write 128 bit key to the CRYPTO module.
__STATIC_INLINE void CRYPTO_KeyBufWrite ( CRYPTO_TypeDef *crypto, CRYPTO_KeyBuf_TypeDef val, CRYPTO_KeyWidth_TypeDef keyWidth)
Set the key value to be used by the CRYPTO module.
void CRYPTO_KeyRead ( CRYPTO_TypeDef *crypto, CRYPTO_KeyBuf_TypeDef val, CRYPTO_KeyWidth_TypeDef keyWidth)
Read the key value currently used by the CRYPTO module.
void CRYPTO_ModulusSet ( CRYPTO_TypeDef *crypto, CRYPTO_ModulusId_TypeDef modType)
Set the modulus type used for wide arithmetic operations.
void CRYPTO_Mul ( CRYPTO_TypeDef *crypto, uint32_t *A, int aSize, uint32_t *B, int bSize, uint32_t *R, int rSize)
Multiply two big integers.
__STATIC_INLINE void CRYPTO_MulOperandWidthSet ( CRYPTO_TypeDef *crypto, CRYPTO_MulOperandWidth_TypeDef mulOperandWidth)
Set the number of bits in the operands of the MUL instruction.
__STATIC_INLINE void CRYPTO_QDataRead ( CRYPTO_QDataReg_TypeDef qdataReg, CRYPTO_QData_TypeDef val)
Read 512 bits of data from a QDATAX register in the CRYPTO module.
__STATIC_INLINE void CRYPTO_QDataWrite ( CRYPTO_QDataReg_TypeDef qdataReg, const CRYPTO_QData_TypeDef val)
Write 512 bits of data to a QDATAX register in the CRYPTO module.
__STATIC_INLINE void CRYPTO_ResultWidthSet ( CRYPTO_TypeDef *crypto, CRYPTO_ResultWidth_TypeDef resultWidth)
Set the width of the results of the non-modulus instructions.
void CRYPTO_SHA_1 ( CRYPTO_TypeDef *crypto, const uint8_t *msg, uint64_t msgLen, CRYPTO_SHA1_Digest_TypeDef msgDigest)
Perform a SHA-1 hash operation on a message.
void CRYPTO_SHA_256 ( CRYPTO_TypeDef *crypto, const uint8_t *msg, uint64_t msgLen, CRYPTO_SHA256_Digest_TypeDef msgDigest)
Perform a SHA-256 hash operation on a message.