High Level AES functions. More...

Collaboration diagram for High Level AES functions:

Functions
ErrorStatus	CRYP_AES_ECB (uint8_t Mode, uint8_t Key, uint16_t Keysize, uint8_t Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using AES in ECB Mode. More...

ErrorStatus	CRYP_AES_CBC (uint8_t Mode, uint8_t InitVectors[16], uint8_t Key, uint16_t Keysize, uint8_t Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using AES in CBC Mode. More...

ErrorStatus	CRYP_AES_CTR (uint8_t Mode, uint8_t InitVectors[16], uint8_t Key, uint16_t Keysize, uint8_t Input, uint32_t Ilength, uint8_t *Output)
	Encrypt and decrypt using AES in CTR Mode. More...

ErrorStatus	CRYP_AES_GCM (uint8_t Mode, uint8_t InitVectors[16], uint8_t Key, uint16_t Keysize, uint8_t Input, uint32_t ILength, uint8_t Header, uint32_t HLength, uint8_t Output, uint8_t *AuthTAG)
	Encrypt and decrypt using AES in GCM Mode. The GCM and CCM modes are available only on STM32F437x Devices. More...

ErrorStatus	CRYP_AES_CCM (uint8_t Mode, uint8_t Nonce, uint32_t NonceSize, uint8_t Key, uint16_t Keysize, uint8_t Input, uint32_t ILength, uint8_t Header, uint32_t HLength, uint8_t HBuffer, uint8_t Output, uint8_t *AuthTAG, uint32_t TAGSize)
	Encrypt and decrypt using AES in CCM Mode. The GCM and CCM modes are available only on STM32F437x Devices. More...

Detailed Description

High Level AES functions.

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                       ##### High Level AES functions #####
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Function Documentation

ErrorStatus CRYP_AES_CBC	(	uint8_t	Mode,
		uint8_t	InitVectors[16],
		uint8_t *	Key,
		uint16_t	Keysize,
		uint8_t *	Input,
		uint32_t	Ilength,
		uint8_t *	Output
	)

Encrypt and decrypt using AES in CBC Mode.

Parameters

Mode	encryption or decryption Mode. This parameter can be one of the following values: MODE_ENCRYPT: Encryption MODE_DECRYPT: Decryption
InitVectors	Initialisation Vectors used for AES algorithm.
Key	Key used for AES algorithm.
Keysize	length of the Key, must be a 128, 192 or 256.
Input	pointer to the Input buffer.
Ilength	length of the Input buffer, must be a multiple of 16.
Output	pointer to the returned buffer.

Return values

An	ErrorStatus enumeration value: SUCCESS: Operation done ERROR: Operation failed

Definition at line 294 of file stm32f4xx_cryp_aes.c.

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ErrorStatus CRYP_AES_CCM	(	uint8_t	Mode,
		uint8_t *	Nonce,
		uint32_t	NonceSize,
		uint8_t *	Key,
		uint16_t	Keysize,
		uint8_t *	Input,
		uint32_t	ILength,
		uint8_t *	Header,
		uint32_t	HLength,
		uint8_t *	HBuffer,
		uint8_t *	Output,
		uint8_t *	AuthTAG,
		uint32_t	TAGSize
	)

Encrypt and decrypt using AES in CCM Mode. The GCM and CCM modes are available only on STM32F437x Devices.

Parameters

Mode	encryption or decryption Mode. This parameter can be one of the following values: MODE_ENCRYPT: Encryption MODE_DECRYPT: Decryption
Nonce	the nounce used for AES algorithm. It shall be unique for each processing.
Key	Key used for AES algorithm.
Keysize	length of the Key, must be a 128, 192 or 256.
Input	pointer to the Input buffer.
Ilength	length of the Input buffer in bytes, must be a multiple of 16.
Header	pointer to the header buffer.
Hlength	length of the header buffer in bytes.
HBuffer	pointer to temporary buffer used to append the header HBuffer size must be equal to Hlength + 21
Output	pointer to the returned buffer.
AuthTAG	pointer to the authentication TAG buffer.
TAGSize	the size of the TAG (called also MAC).

Return values

An	ErrorStatus enumeration value: SUCCESS: Operation done ERROR: Operation failed

Definition at line 1135 of file stm32f4xx_cryp_aes.c.

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ErrorStatus CRYP_AES_CTR	(	uint8_t	Mode,
		uint8_t	InitVectors[16],
		uint8_t *	Key,
		uint16_t	Keysize,
		uint8_t *	Input,
		uint32_t	Ilength,
		uint8_t *	Output
	)

Encrypt and decrypt using AES in CTR Mode.

Parameters

Mode	encryption or decryption Mode. This parameter can be one of the following values: MODE_ENCRYPT: Encryption MODE_DECRYPT: Decryption
InitVectors	Initialisation Vectors used for AES algorithm.
Key	Key used for AES algorithm.
Keysize	length of the Key, must be a 128, 192 or 256.
Input	pointer to the Input buffer.
Ilength	length of the Input buffer, must be a multiple of 16.
Output	pointer to the returned buffer.

Return values

An	ErrorStatus enumeration value: SUCCESS: Operation done ERROR: Operation failed

Definition at line 496 of file stm32f4xx_cryp_aes.c.

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ErrorStatus CRYP_AES_ECB	(	uint8_t	Mode,
		uint8_t *	Key,
		uint16_t	Keysize,
		uint8_t *	Input,
		uint32_t	Ilength,
		uint8_t *	Output
	)

Encrypt and decrypt using AES in ECB Mode.

Parameters

Mode	encryption or decryption Mode. This parameter can be one of the following values: MODE_ENCRYPT: Encryption MODE_DECRYPT: Decryption
Key	Key used for AES algorithm.
Keysize	length of the Key, must be a 128, 192 or 256.
Input	pointer to the Input buffer.
Ilength	length of the Input buffer, must be a multiple of 16.
Output	pointer to the returned buffer.

Return values

An	ErrorStatus enumeration value: SUCCESS: Operation done ERROR: Operation failed

Definition at line 106 of file stm32f4xx_cryp_aes.c.

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ErrorStatus CRYP_AES_GCM	(	uint8_t	Mode,
		uint8_t	InitVectors[16],
		uint8_t *	Key,
		uint16_t	Keysize,
		uint8_t *	Input,
		uint32_t	ILength,
		uint8_t *	Header,
		uint32_t	HLength,
		uint8_t *	Output,
		uint8_t *	AuthTAG
	)

Encrypt and decrypt using AES in GCM Mode. The GCM and CCM modes are available only on STM32F437x Devices.

Parameters

Mode	encryption or decryption Mode. This parameter can be one of the following values: MODE_ENCRYPT: Encryption MODE_DECRYPT: Decryption
InitVectors	Initialisation Vectors used for AES algorithm.
Key	Key used for AES algorithm.
Keysize	length of the Key, must be a 128, 192 or 256.
Input	pointer to the Input buffer.
Ilength	length of the Input buffer in bytes, must be a multiple of 16.
Header	pointer to the header buffer.
Hlength	length of the header buffer in bytes, must be a multiple of 16.
Output	pointer to the returned buffer.
AuthTAG	pointer to the authentication TAG buffer.

Return values

An	ErrorStatus enumeration value: SUCCESS: Operation done ERROR: Operation failed

Definition at line 670 of file stm32f4xx_cryp_aes.c.

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Functions

Detailed Description

Function Documentation