aes_wrap.h File Reference

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Functions
int __must_check	aes_128_cbc_decrypt (const u8 *key, const u8 *iv, u8 *data, size_t data_len)
int __must_check	aes_128_cbc_encrypt (const u8 *key, const u8 *iv, u8 *data, size_t data_len)
int __must_check	aes_128_ctr_encrypt (const u8 *key, const u8 *nonce, u8 *data, size_t data_len)
int __must_check	aes_128_eax_decrypt (const u8 *key, const u8 *nonce, size_t nonce_len, const u8 *hdr, size_t hdr_len, u8 *data, size_t data_len, const u8 *tag)
int __must_check	aes_128_eax_encrypt (const u8 *key, const u8 *nonce, size_t nonce_len, const u8 *hdr, size_t hdr_len, u8 *data, size_t data_len, u8 *tag)
int __must_check	aes_128_encrypt_block (const u8 *key, const u8 *in, u8 *out)
int __must_check	aes_unwrap (const u8 *kek, int n, const u8 *cipher, u8 *plain)
int __must_check	aes_wrap (const u8 *kek, int n, const u8 *plain, u8 *cipher)
int __must_check	omac1_aes_128 (const u8 *key, const u8 *data, size_t data_len, u8 *mac)
int __must_check	omac1_aes_128_vector (const u8 *key, size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)

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Function Documentation

int __must_check aes_128_cbc_decrypt	(	const u8 *	key,
		const u8 *	iv,
		u8 *	data,
		size_t	data_len
	)

aes_128_cbc_decrypt - AES-128 CBC decryption : Decryption key : Decryption IV for CBC mode (16 bytes) : Data to decrypt in-place : Length of data in bytes (must be divisible by 16) Returns: 0 on success, -1 on failure

Definition at line 63 of file aes-cbc.c.

int __must_check aes_128_cbc_encrypt	(	const u8 *	key,
		const u8 *	iv,
		u8 *	data,
		size_t	data_len
	)

aes_128_cbc_encrypt - AES-128 CBC encryption : Encryption key : Encryption IV for CBC mode (16 bytes) : Data to encrypt in-place : Length of data in bytes (must be divisible by 16) Returns: 0 on success, -1 on failure

Definition at line 30 of file aes-cbc.c.

int __must_check aes_128_ctr_encrypt	(	const u8 *	key,
		const u8 *	nonce,
		u8 *	data,
		size_t	data_len
	)

aes_128_ctr_encrypt - AES-128 CTR mode encryption : Key for encryption (16 bytes) : Nonce for counter mode (16 bytes) : Data to encrypt in-place : Length of data in bytes Returns: 0 on success, -1 on failure

Definition at line 30 of file aes-ctr.c.

int __must_check aes_128_eax_decrypt	(	const u8 *	key,
		const u8 *	nonce,
		size_t	nonce_len,
		const u8 *	hdr,
		size_t	hdr_len,
		u8 *	data,
		size_t	data_len,
		const u8 *	tag
	)

aes_128_eax_decrypt - AES-128 EAX mode decryption : Key for decryption (16 bytes) : Nonce for counter mode : Nonce length in bytes : Header data to be authenticity protected : Length of the header data bytes : Data to encrypt in-place : Length of data in bytes : 16-byte tag value Returns: 0 on success, -1 on failure, -2 if tag does not match

Definition at line 98 of file aes-eax.c.

int __must_check aes_128_eax_encrypt	(	const u8 *	key,
		const u8 *	nonce,
		size_t	nonce_len,
		const u8 *	hdr,
		size_t	hdr_len,
		u8 *	data,
		size_t	data_len,
		u8 *	tag
	)

aes_128_eax_encrypt - AES-128 EAX mode encryption : Key for encryption (16 bytes) : Nonce for counter mode : Nonce length in bytes : Header data to be authenticity protected : Length of the header data bytes : Data to encrypt in-place : Length of data in bytes : 16-byte tag value Returns: 0 on success, -1 on failure

Definition at line 34 of file aes-eax.c.

int __must_check aes_128_encrypt_block	(	const u8 *	key,
		const u8 *	in,
		u8 *	out
	)

aes_128_encrypt_block - Perform one AES 128-bit block operation : Key for AES : Input data (16 bytes) : Output of the AES block operation (16 bytes) Returns: 0 on success, -1 on failure

Definition at line 29 of file aes-encblock.c.

int __must_check aes_unwrap	(	const u8 *	kek,
		int	n,
		const u8 *	cipher,
		u8 *	plain
	)

aes_unwrap - Unwrap key with AES Key Wrap Algorithm (128-bit KEK) (RFC3394) : Key encryption key (KEK)
: Length of the plaintext key in 64-bit units; e.g., 2 = 128-bit = 16 bytes : Wrapped key to be unwrapped, (n + 1) * 64 bits : Plaintext key, n * 64 bits Returns: 0 on success, -1 on failure (e.g., integrity verification failed)

Definition at line 31 of file aes-unwrap.c.

int __must_check aes_wrap	(	const u8 *	kek,
		int	n,
		const u8 *	plain,
		u8 *	cipher
	)

aes_wrap - Wrap keys with AES Key Wrap Algorithm (128-bit KEK) (RFC3394) : 16-octet Key encryption key (KEK)
: Length of the plaintext key in 64-bit units; e.g., 2 = 128-bit = 16 bytes : Plaintext key to be wrapped, n * 64 bits : Wrapped key, (n + 1) * 64 bits Returns: 0 on success, -1 on failure

Definition at line 31 of file aes-wrap.c.

int __must_check omac1_aes_128	(	const u8 *	key,
		const u8 *	data,
		size_t	data_len,
		u8 *	mac
	)

omac1_aes_128 - One-Key CBC MAC (OMAC1) hash with AES-128 (aka AES-CMAC) : 128-bit key for the hash operation : Data buffer for which a MAC is determined : Length of data buffer in bytes : Buffer for MAC (128 bits, i.e., 16 bytes) Returns: 0 on success, -1 on failure

This is a mode for using block cipher (AES in this case) for authentication. OMAC1 was standardized with the name CMAC by NIST in a Special Publication (SP) 800-38B.

Definition at line 121 of file aes-omac1.c.

int __must_check omac1_aes_128_vector	(	const u8 *	key,
		size_t	num_elem,
		const u8 *	addr[],
		const size_t *	len,
		u8 *	mac
	)

omac1_aes_128_vector - One-Key CBC MAC (OMAC1) hash with AES-128 : 128-bit key for the hash operation : Number of elements in the data vector : Pointers to the data areas : Lengths of the data blocks : Buffer for MAC (128 bits, i.e., 16 bytes) Returns: 0 on success, -1 on failure

This is a mode for using block cipher (AES in this case) for authentication. OMAC1 was standardized with the name CMAC by NIST in a Special Publication (SP) 800-38B.

Definition at line 48 of file aes-omac1.c.