125 lines
4.3 KiB
C
125 lines
4.3 KiB
C
/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */
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#ifndef __LSQUIC_CRYPTO_H__
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#define __LSQUIC_CRYPTO_H__
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#include <stdint.h>
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#define HS_PKT_HASH_LENGTH 12
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct lsquic_str;
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#if defined( __x86_64 )||defined( __x86_64__ )
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typedef __uint128_t uint128;
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#else
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typedef struct uint128_st
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{
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uint64_t hi_;
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uint64_t lo_;
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} uint128;
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#endif
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void crypto_init();
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/* XXX: why have a wrapper around RAND_bytes? */
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void rand_bytes(void *data, int len);
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int export_key_material_simple(unsigned char *ikm, uint32_t ikm_len,
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unsigned char *salt, int salt_len,
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char *label, uint32_t label_len,
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const uint8_t *context, uint32_t context_len,
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uint8_t *key, uint16_t key_len);
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int export_key_material(const unsigned char *ikm, uint32_t ikm_len,
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const unsigned char *salt, int salt_len,
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const unsigned char *context, uint32_t context_len,
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uint16_t c_key_len, uint8_t *c_key,
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uint16_t s_key_len, uint8_t *s_key,
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uint16_t c_key_iv_len, uint8_t *c_key_iv,
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uint16_t s_key_iv_len, uint8_t *s_key_iv,
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uint8_t *sub_key);
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void c255_get_pub_key(unsigned char *priv_key, unsigned char pub_key[32]);
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int c255_gen_share_key(unsigned char *priv_key, unsigned char *peer_pub_key, unsigned char *shared_key);
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uint64_t fnv1a_64(const uint8_t * data, int len);
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void fnv1a_64_s(const uint8_t * data, int len, char *md);
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uint128 fnv1a_128(const uint8_t * data, int len);
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void fnv1a_128_s(const uint8_t * data , int len, uint8_t *md);
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uint128 fnv1a_128_2(const uint8_t * data1, int len1, const uint8_t * data2, int len2);
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uint128 fnv1a_128_3(const uint8_t * data1, int len1,
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const uint8_t * data2, int len2,
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const uint8_t * data3, int len3);
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void fnv1a_128_2_s(const uint8_t * data1, int len1, const uint8_t * data2, int len2, uint8_t *md);
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void serialize_fnv128_short(uint128 v, uint8_t *md);
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/* before session handshake complete */
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int verify_hs_pkt(const uint8_t *pkg_data, size_t header_len, size_t pkg_len);
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int update_hs_pkt_hash(uint8_t *pkg_data, int header_len, int pkg_len);
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int get_hs_pkt_hash_len();
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/*16 bytes of h outputted */
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void sha256(const uint8_t *buf, int len, uint8_t *h);
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/* Encrypt plaint text to cipher test */
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int aes_aead_enc(EVP_AEAD_CTX *key,
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const uint8_t *ad, size_t ad_len,
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const uint8_t *nonce, size_t nonce_len,
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const uint8_t *plain, size_t plain_len,
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uint8_t *cypher, size_t *cypher_len);
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int aes_aead_dec(EVP_AEAD_CTX *key,
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const uint8_t *ad, size_t ad_len,
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const uint8_t *nonce, size_t nonce_len,
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const uint8_t *cypher, size_t cypher_len,
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uint8_t *plain, size_t *plain_len);
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int aes_get_key_length();
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void gen_nonce_s(char *buf, int length);
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/* 32 bytes client nonce with 4 bytes tm, 8 bytes orbit */
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void gen_nonce_c(unsigned char *buf, uint64_t orbit);
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EVP_PKEY *PEM_to_key(const char *buf, int len);
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X509 *bio_to_crt(const void *buf, int len, int type);
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int lshkdf_expand(const unsigned char *prk, const unsigned char *info, int info_len,
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uint16_t c_key_len, uint8_t *c_key,
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uint16_t s_key_len, uint8_t *s_key,
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uint16_t c_key_iv_len, uint8_t *c_key_iv,
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uint16_t s_key_iv_len, uint8_t *s_key_iv,
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uint16_t sub_key_len, uint8_t *sub_key);
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void lshkdf_extract(const unsigned char *ikm, int ikm_len, const unsigned char *salt,
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int salt_len, unsigned char *prk);
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int gen_prof(const uint8_t *chlo_data, size_t chlo_data_len,
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const uint8_t *scfg_data, uint32_t scfg_data_len,
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const EVP_PKEY *priv_key, uint8_t *buf, size_t *len);
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int verify_prof0(const uint8_t *chlo_data, size_t chlo_data_len,
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const uint8_t *scfg_data, uint32_t scfg_data_len,
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const EVP_PKEY *pub_key, const uint8_t *buf, size_t len);
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int verify_prof(const uint8_t *chlo_data, size_t chlo_data_len, struct lsquic_str * scfg,
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const EVP_PKEY *pub_key, const uint8_t *buf, size_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif //__LSQUIC_CRYPTO_H__
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