Commit 923c40c4 authored by Vadim Fedorenko's avatar Vadim Fedorenko Committed by Jakub Kicinski
Browse files

net/tls: add CHACHA20-POLY1305 specific defines and structures 



To provide support for ChaCha-Poly cipher we need to define
specific constants and structures.

Signed-off-by: default avatarVadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 6942a284

include/net/tls.h

+1 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ union tls_crypto_context { 
	union {

		struct tls12_crypto_info_aes_gcm_128 aes_gcm_128;

		struct tls12_crypto_info_aes_gcm_256 aes_gcm_256;

		struct tls12_crypto_info_chacha20_poly1305 chacha20_poly1305;

	};

};

include/uapi/linux/tls.h

+15 −0
Original line number Diff line number Diff line
@@ -77,6 +77,13 @@ 
#define TLS_CIPHER_AES_CCM_128_TAG_SIZE		16

#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE		8



#define TLS_CIPHER_CHACHA20_POLY1305			54

#define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE		12

#define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE	32

#define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE		0

#define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE	16

#define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE	8



#define TLS_SET_RECORD_TYPE	1

#define TLS_GET_RECORD_TYPE	2
@@ -109,6 +116,14 @@ struct tls12_crypto_info_aes_ccm_128 { 
	unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];

};



struct tls12_crypto_info_chacha20_poly1305 {

	struct tls_crypto_info info;

	unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE];

	unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE];

	unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE];

	unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE];

};



enum {

	TLS_INFO_UNSPEC,

	TLS_INFO_VERSION,