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: Vadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vadim Fedorenko 2020-11-24 18:24:47 +03:00 committed by Jakub Kicinski
parent 6942a284fb
commit 923c40c465
2 changed files with 16 additions and 0 deletions

View File

@ -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;
};
};

View File

@ -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,