cipher_algorithm Struct Reference

A cipher algorithm. More...

#include <crypto.h>

Data Fields
const char *	name
	Algorithm name.
size_t	ctxsize
	Context size.
size_t	blocksize
	Block size.
int(*	setkey )(void *ctx, const void *key, size_t keylen)
	Set key.
void(*	setiv )(void *ctx, const void *iv)
	Set initialisation vector.
void(*	encrypt )(void *ctx, const void *src, void *dst, size_t len)
	Encrypt data.
void(*	decrypt )(void *ctx, const void *src, void *dst, size_t len)
	Decrypt data.

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Detailed Description

A cipher algorithm.

Definition at line 48 of file crypto.h.

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Field Documentation

const char* cipher_algorithm::name

Algorithm name.

Definition at line 50 of file crypto.h.

Referenced by tls_select_cipher().

size_t cipher_algorithm::ctxsize

Context size.

Definition at line 52 of file crypto.h.

Referenced by tls_send_plaintext(), and tls_set_cipher().

size_t cipher_algorithm::blocksize

Block size.

Definition at line 54 of file crypto.h.

Referenced by cbc_decrypt(), cbc_encrypt(), cbc_setiv(), is_stream_cipher(), tls_assemble_block(), tls_generate_keys(), and tls_split_block().

int( * cipher_algorithm::setkey)(void *ctx, const void *key, size_t keylen)

Set key.

Parameters:

	ctx	Context
	key	Key
	keylen	Key length

Return values:

rc

Return status code

Referenced by cipher_setkey().

void( * cipher_algorithm::setiv)(void *ctx, const void *iv)

Set initialisation vector.

Parameters:

	ctx	Context
	iv	Initialisation vector

Referenced by cipher_setiv().

void( * cipher_algorithm::encrypt)(void *ctx, const void *src, void *dst, size_t len)

Encrypt data.

Parameters:

	ctx	Context
	src	Data to encrypt
	dst	Buffer for encrypted data
	len	Length of data
	len	is guaranteed to be a multiple of blocksize.

Referenced by cipher_encrypt().

void( * cipher_algorithm::decrypt)(void *ctx, const void *src, void *dst, size_t len)

Decrypt data.

Parameters:

	ctx	Context
	src	Data to decrypt
	dst	Buffer for decrypted data
	len	Length of data
	len	is guaranteed to be a multiple of blocksize.

Referenced by cipher_decrypt().

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The documentation for this struct was generated from the following file:

• include/gpxe/crypto.h