crypto_null.c File Reference

Null crypto algorithm. More...

#include <string.h>
#include <errno.h>
#include <ipxe/crypto.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
	FILE_SECBOOT (PERMITTED)
void	digest_null_init (struct digest_algorithm *digest __unused, void *ctx __unused)
void	digest_null_update (struct digest_algorithm *digest __unused, void *ctx __unused, const void *src __unused, size_t len __unused)
void	digest_null_final (struct digest_algorithm *digest __unused, void *ctx __unused, void *out __unused)
int	cipher_null_setkey (struct cipher_algorithm *cipher __unused, void *ctx __unused, const void *key __unused, size_t keylen __unused)
int	cipher_null_setiv (struct cipher_algorithm *cipher __unused, void *ctx __unused, const void *iv __unused, size_t ivlen __unused)
void	cipher_null_encrypt (struct cipher_algorithm *cipher __unused, void *ctx __unused, const void *src, void *dst, size_t len)
void	cipher_null_decrypt (struct cipher_algorithm *cipher __unused, void *ctx __unused, const void *src, void *dst, size_t len)
void	cipher_null_auth (struct cipher_algorithm *cipher __unused, void *ctx __unused, void *auth __unused)
int	pubkey_null_encrypt (struct pubkey_algorithm *pubkey __unused, const struct asn1_cursor *key __unused, const struct asn1_cursor *plaintext __unused, struct asn1_builder *ciphertext __unused)
int	pubkey_null_decrypt (struct pubkey_algorithm *pubkey __unused, const struct asn1_cursor *key __unused, const struct asn1_cursor *ciphertext __unused, struct asn1_builder *plaintext __unused)
int	pubkey_null_sign (struct pubkey_algorithm *pubkey __unused, const struct asn1_cursor *key __unused, struct digest_algorithm *digest __unused, const void *value __unused, struct asn1_builder *signature __unused)
int	pubkey_null_verify (struct pubkey_algorithm *pubkey __unused, const struct asn1_cursor *key __unused, struct digest_algorithm *digest __unused, const void *value __unused, const struct asn1_cursor *signature __unused)
int	pubkey_null_match (struct pubkey_algorithm *pubkey __unused, const struct asn1_cursor *private_key __unused, const struct asn1_cursor *public_key __unused)

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()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

FILE_SECBOOT()

FILE_SECBOOT

(

PERMITTED

)

digest_null_init()

void digest_null_init	(	struct digest_algorithm *digest	__unused,
		void *ctx	__unused )

Definition at line 37 of file crypto_null.c.

                                             {
        /* Do nothing */
}

References __unused, and ctx.

digest_null_update()

void digest_null_update	(	struct digest_algorithm *digest	__unused,
		void *ctx	__unused,
		const void *src	__unused,
		size_t len	__unused )

Definition at line 42 of file crypto_null.c.

                                                {
        /* Do nothing */
}

References __unused, ctx, len, and src.

digest_null_final()

void digest_null_final	(	struct digest_algorithm *digest	__unused,
		void *ctx	__unused,
		void *out	__unused )

Definition at line 48 of file crypto_null.c.

                                                                  {
        /* Do nothing */
}

References __unused, ctx, and out.

cipher_null_setkey()

int cipher_null_setkey	(	struct cipher_algorithm *cipher	__unused,
		void *ctx	__unused,
		const void *key	__unused,
		size_t keylen	__unused )

Definition at line 63 of file crypto_null.c.

                                                  {
        /* Do nothing */
        return 0;
}

References __unused, ctx, and key.

cipher_null_setiv()

int cipher_null_setiv	(	struct cipher_algorithm *cipher	__unused,
		void *ctx	__unused,
		const void *iv	__unused,
		size_t ivlen	__unused )

Definition at line 70 of file crypto_null.c.

                                                {
        /* Do nothing */
        return 0;
}

References __unused, ctx, and iv.

cipher_null_encrypt()

void cipher_null_encrypt	(	struct cipher_algorithm *cipher	__unused,
		void *ctx	__unused,
		const void *	src,
		void *	dst,
		size_t	len )

Definition at line 77 of file crypto_null.c.

                                        {
        memcpy ( dst, src, len );
}

References __unused, ctx, len, memcpy(), and src.

cipher_null_decrypt()

void cipher_null_decrypt	(	struct cipher_algorithm *cipher	__unused,
		void *ctx	__unused,
		const void *	src,
		void *	dst,
		size_t	len )

Definition at line 83 of file crypto_null.c.

                                        {
        memcpy ( dst, src, len );
}

References __unused, ctx, len, memcpy(), and src.

cipher_null_auth()

void cipher_null_auth	(	struct cipher_algorithm *cipher	__unused,
		void *ctx	__unused,
		void *auth	__unused )

Definition at line 89 of file crypto_null.c.

                                                                  {
        /* Do nothing */
}

References __unused, and ctx.

pubkey_null_encrypt()

int pubkey_null_encrypt	(	struct pubkey_algorithm *pubkey	__unused,
		const struct asn1_cursor *key	__unused,
		const struct asn1_cursor *plaintext	__unused,
		struct asn1_builder *ciphertext	__unused )

Definition at line 108 of file crypto_null.c.

                                                                     {
        return -ENOTTY;
}

References __unused, ENOTTY, and key.

pubkey_null_decrypt()

int pubkey_null_decrypt	(	struct pubkey_algorithm *pubkey	__unused,
		const struct asn1_cursor *key	__unused,
		const struct asn1_cursor *ciphertext	__unused,
		struct asn1_builder *plaintext	__unused )

Definition at line 115 of file crypto_null.c.

                                                                    {
        return -ENOTTY;
}

References __unused, ENOTTY, and key.

pubkey_null_sign()

int pubkey_null_sign	(	struct pubkey_algorithm *pubkey	__unused,
		const struct asn1_cursor *key	__unused,
		struct digest_algorithm *digest	__unused,
		const void *value	__unused,
		struct asn1_builder *signature	__unused )

Definition at line 122 of file crypto_null.c.

                                                                 {
        return -ENOTTY;
}

References __unused, ENOTTY, key, signature, and value.

pubkey_null_verify()

int pubkey_null_verify	(	struct pubkey_algorithm *pubkey	__unused,
		const struct asn1_cursor *key	__unused,
		struct digest_algorithm *digest	__unused,
		const void *value	__unused,
		const struct asn1_cursor *signature	__unused )

Definition at line 130 of file crypto_null.c.

                                                                        {
        return -ENOTTY;
}

References __unused, ENOTTY, key, signature, and value.

pubkey_null_match()

int pubkey_null_match	(	struct pubkey_algorithm *pubkey	__unused,
		const struct asn1_cursor *private_key	__unused,
		const struct asn1_cursor *public_key	__unused )

Definition at line 138 of file crypto_null.c.

                                                                        {
        return -ENOTTY;
}

References __unused, and ENOTTY.

Variable Documentation

digest_null

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 53 of file crypto_null.c.

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

Referenced by cms_parse_participants(), pubkey_null_match(), and tls_clear_digest().

cipher_null

struct cipher_algorithm cipher_null

Initial value:

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

Definition at line 94 of file crypto_null.c.

                                    {
        .name = "null",
        .ctxsize = 0,
        .blocksize = 1,
        .alignsize = 1,
        .authsize = 0,
        .confidential = 0,
        .setkey = cipher_null_setkey,
        .setiv = cipher_null_setiv,
        .encrypt = cipher_null_encrypt,
        .decrypt = cipher_null_decrypt,
        .auth = cipher_null_auth,
};

Referenced by cms_message(), and pubkey_null_match().

pubkey_null

struct pubkey_algorithm pubkey_null

Initial value:

                      = {
        .name = "null",
        .encrypt = pubkey_null_encrypt,
        .decrypt = pubkey_null_decrypt,
        .sign = pubkey_null_sign,
        .verify = pubkey_null_verify,
        .match = pubkey_null_match,
}

Definition at line 144 of file crypto_null.c.

                                    {
        .name = "null",
        .encrypt = pubkey_null_encrypt,
        .decrypt = pubkey_null_decrypt,
        .sign = pubkey_null_sign,
        .verify = pubkey_null_verify,
        .match = pubkey_null_match,
};

Referenced by cms_parse_participants(), and pubkey_null_match().