crypto_null.c File Reference

Null crypto algorithm. More...

#include <string.h>
#include <gpxe/crypto.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER)
static void	digest_null_init (void *ctx __unused)
static void	digest_null_update (void *ctx __unused, const void *src __unused, size_t len __unused)
static void	digest_null_final (void *ctx __unused, void *out __unused)
static int	cipher_null_setkey (void *ctx __unused, const void *key __unused, size_t keylen __unused)
static void	cipher_null_setiv (void *ctx __unused, const void *iv __unused)
static void	cipher_null_encrypt (void *ctx __unused, const void *src, void *dst, size_t len)
static void	cipher_null_decrypt (void *ctx __unused, const void *src, void *dst, size_t len)
Variables
struct digest_algorithm	digest_null
struct cipher_algorithm	cipher_null
struct pubkey_algorithm	pubkey_null

---

Detailed Description

Null crypto algorithm.

Definition in file crypto_null.c.

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

static void digest_null_init

(

void *ctx

__unused

)

[static]

Definition at line 30 of file crypto_null.c.

                                                    {
        /* Do nothing */
}

static void digest_null_update	(	void *ctx	__unused,
		const void *src	__unused,
		size_t len	__unused
	)			[static]

Definition at line 34 of file crypto_null.c.

                                                       {
        /* Do nothing */
}

static void digest_null_final	(	void *ctx	__unused,
		void *out	__unused
	)			[static]

Definition at line 39 of file crypto_null.c.

                                                                         {
        /* Do nothing */
}

static int cipher_null_setkey	(	void *ctx	__unused,
		const void *key	__unused,
		size_t keylen	__unused
	)			[static]

Definition at line 53 of file crypto_null.c.

                                                         {
        /* Do nothing */
        return 0;
}

static void cipher_null_setiv	(	void *ctx	__unused,
		const void *iv	__unused
	)			[static]

Definition at line 59 of file crypto_null.c.

                                                          {
        /* Do nothing */
}

static void cipher_null_encrypt	(	void *ctx	__unused,
		const void *	src,
		void *	dst,
		size_t	len
	)			[static]

Definition at line 64 of file crypto_null.c.

References memcpy.

                                                          {
        memcpy ( dst, src, len );
}

static void cipher_null_decrypt	(	void *ctx	__unused,
		const void *	src,
		void *	dst,
		size_t	len
	)			[static]

Definition at line 69 of file crypto_null.c.

References memcpy.

                                                          {
        memcpy ( dst, src, len );
}

---

Variable Documentation

struct digest_algorithm digest_null

Initial value:

 {
        .name = "null",
        .ctxsize = 0,
        .blocksize = 1,
        .digestsize = 0,
        .init = digest_null_init,
        .update = digest_null_update,
        .final = digest_null_final,
}

Definition at line 43 of file crypto_null.c.

Referenced by tls_change_cipher(), tls_clear_cipher(), and tls_select_cipher().

struct cipher_algorithm cipher_null

Initial value:

 {
        .name = "null",
        .ctxsize = 0,
        .blocksize = 1,
        .setkey = cipher_null_setkey,
        .setiv = cipher_null_setiv,
        .encrypt = cipher_null_encrypt,
        .decrypt = cipher_null_decrypt,
}

Definition at line 74 of file crypto_null.c.

Referenced by tls_change_cipher(), tls_clear_cipher(), and tls_select_cipher().

struct pubkey_algorithm pubkey_null

Initial value:

 {
        .name = "null",
        .ctxsize = 0,
}

Definition at line 84 of file crypto_null.c.

Referenced by tls_clear_cipher(), and tls_select_cipher().