Macros
#define	SHA256_MAC_LEN 32

Functions
void	hmac_sha256_vector (const u8 key, size_t key_len, size_t num_elem, const u8 addr[], const size_t len, u8 mac)
	hmac_sha256_vector - HMAC-SHA256 over data vector (RFC 2104) @key: Key for HMAC operations @key_len: Length of the key in bytes @num_elem: Number of elements in the data vector @addr: Pointers to the data areas @len: Lengths of the data blocks @mac: Buffer for the hash (32 bytes) More...

void	hmac_sha256 (const u8 key, size_t key_len, const u8 data, size_t data_len, u8 *mac)
	hmac_sha256 - HMAC-SHA256 over data buffer (RFC 2104) @key: Key for HMAC operations @key_len: Length of the key in bytes @data: Pointers to the data area @data_len: Length of the data area @mac: Buffer for the hash (20 bytes) More...

void	sha256_prf (const u8 key, size_t key_len, const char label, const u8 data, size_t data_len, u8 buf, size_t buf_len)
	sha256_prf - SHA256-based Pseudo-Random Function (IEEE 802.11r, 8.5.1.5.2) @key: Key for PRF @key_len: Length of the key in bytes @label: A unique label for each purpose of the PRF @data: Extra data to bind into the key @data_len: Length of the data @buf: Buffer for the generated pseudo-random key @buf_len: Number of bytes of key to generate More...

void	tls_prf_sha256 (const u8 secret, size_t secret_len, const char label, const u8 seed, size_t seed_len, u8 out, size_t outlen)

Macro Definition Documentation

◆ SHA256_MAC_LEN

#define SHA256_MAC_LEN 32

Function Documentation

◆ hmac_sha256()

void hmac_sha256	(	const u8 *	key,
		size_t	key_len,
		const u8 *	data,
		size_t	data_len,
		u8 *	mac
	)

hmac_sha256 - HMAC-SHA256 over data buffer (RFC 2104) @key: Key for HMAC operations @key_len: Length of the key in bytes @data: Pointers to the data area @data_len: Length of the data area @mac: Buffer for the hash (20 bytes)

References data, and hmac_sha256_vector().

◆ hmac_sha256_vector()

void hmac_sha256_vector	(	const u8 *	key,
		size_t	key_len,
		size_t	num_elem,
		const u8 *	addr[],
		const size_t *	len,
		u8 *	mac
	)

hmac_sha256_vector - HMAC-SHA256 over data vector (RFC 2104) @key: Key for HMAC operations @key_len: Length of the key in bytes @num_elem: Number of elements in the data vector @addr: Pointers to the data areas @len: Lengths of the data blocks @mac: Buffer for the hash (32 bytes)

References len, os_memcpy, os_memset, SHA256_MAC_LEN, and sha256_vector().

Referenced by hmac_sha256(), and sha256_prf().

◆ sha256_prf()

void sha256_prf	(	const u8 *	key,
		size_t	key_len,
		const char *	label,
		const u8 *	data,
		size_t	data_len,
		u8 *	buf,
		size_t	buf_len
	)

sha256_prf - SHA256-based Pseudo-Random Function (IEEE 802.11r, 8.5.1.5.2) @key: Key for PRF @key_len: Length of the key in bytes @label: A unique label for each purpose of the PRF @data: Extra data to bind into the key @data_len: Length of the data @buf: Buffer for the generated pseudo-random key @buf_len: Number of bytes of key to generate

This function is used to derive new, cryptographically separate keys from a given key.

References data, hmac_sha256_vector(), len, os_memcpy, os_strlen, SHA256_MAC_LEN, and WPA_PUT_LE16.

◆ tls_prf_sha256()

void tls_prf_sha256	(	const u8 *	secret,
		size_t	secret_len,
		const char *	label,
		const u8 *	seed,
		size_t	seed_len,
		u8 *	out,
		size_t	outlen
	)

Macros