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Add chacha12 and chacha20

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code form sectun
This commit is contained in:
Le.Beta 2019-03-19 10:57:28 +08:00 committed by GitHub
parent 7fdc32f319
commit e0ceb6ffd6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 2 deletions
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35
encrypt.cpp
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@ -1,4 +1,5 @@
#include "lib/aes-common.h"
#include "lib/chacha20.h"
#include "lib/md5.h"
#include "lib/pbkdf2-sha1.h"
#include "lib/pbkdf2-sha256.h"
@ -28,7 +29,7 @@ unsigned char cipher_key_decrypt[cipher_key_len + 100]; //key for aes etc.
unordered_map<int, const char *> auth_mode_tostring = {{auth_none, "none"}, {auth_md5, "md5"}, {auth_crc32, "crc32"},{auth_simple,"simple"},{auth_hmac_sha1,"hmac_sha1"},};
unordered_map<int, const char *> cipher_mode_tostring={{cipher_none,"none"},{cipher_aes128cfb,"aes128cfb"},{cipher_aes128cbc,"aes128cbc"},{cipher_xor,"xor"},};
unordered_map<int, const char *> cipher_mode_tostring={{cipher_none,"none"},{cipher_aes128cfb,"aes128cfb"},{cipher_aes128cbc,"aes128cbc"},{cipher_xor,"xor"},{cipher_chacha12,"chacha12"},{cipher_chacha20,"chacha20"},};
//TODO aes-gcm
auth_mode_t auth_mode=auth_md5;
@ -324,6 +325,20 @@ int cipher_aes128cfb_encrypt(const char *data,char *output,int &len,char * key)
AES_CFB_encrypt_buffer((unsigned char *)output,(unsigned char *)buf,len,(unsigned char *)key,(unsigned char *)zero_iv);
return 0;
}
int cipher_chacha12_encrypt(const char *data,char *output,int &len,char * key)
{
ChaCha12XOR((uint8_t *) key, 1, (uint8_t *) zero_iv,
(uint8_t *) data, (uint8_t *) output, len);
//AES_CBC_encrypt_buffer((unsigned char *)output,(unsigned char *)buf,len,(unsigned char *)key,(unsigned char *)zero_iv);
return 0;
}
int cipher_chacha20_encrypt(const char *data,char *output,int &len,char * key)
{
ChaCha20XOR((uint8_t *) key, 1, (uint8_t *) zero_iv,
(uint8_t *) data, (uint8_t *) output, len);
//AES_CBC_encrypt_buffer((unsigned char *)output,(unsigned char *)buf,len,(unsigned char *)key,(unsigned char *)zero_iv);
return 0;
}
int auth_crc32_verify(const char *data,int &len)
{
if(len<int(sizeof(unsigned int)))
@ -372,7 +387,19 @@ int cipher_aes128cfb_decrypt(const char *data,char *output,int &len,char * key)
//if(de_padding(output,len,16)<0) return -1;
return 0;
}
int cipher_chacha12_decrypt(const char *data,char *output,int &len,char * key)
{
ChaCha12XOR((uint8_t *) key, 1, (uint8_t *) zero_iv,
(uint8_t *) data, (uint8_t *) output, len);
return 0;
}
int cipher_chacha20_decrypt(const char *data,char *output,int &len,char * key)
{
ChaCha20XOR((uint8_t *) key, 1, (uint8_t *) zero_iv,
(uint8_t *) data, (uint8_t *) output, len);
//AES_CBC_decrypt_buffer((unsigned char *)output,(unsigned char *)data,len,(unsigned char *)key,(unsigned char *)zero_iv);
return 0;
}
int cipher_none_decrypt(const char *data,char *output,int &len,char * key)
{
memcpy(output,data,len);
@ -417,6 +444,8 @@ int cipher_encrypt(const char *data,char *output,int &len,char * key)
switch(cipher_mode)
{
case cipher_aes128cbc:return cipher_aes128cbc_encrypt(data,output,len, key);
case cipher_chacha12:return cipher_chacha12_encrypt(data,output,len, key);
case cipher_chacha20:return cipher_chacha20_encrypt(data,output,len, key);
case cipher_aes128cfb:return cipher_aes128cfb_encrypt(data,output,len, key);
case cipher_xor:return cipher_xor_encrypt(data,output,len, key);
case cipher_none:return cipher_none_encrypt(data,output,len, key);
@ -431,6 +460,8 @@ int cipher_decrypt(const char *data,char *output,int &len,char * key)
switch(cipher_mode)
{
case cipher_aes128cbc:return cipher_aes128cbc_decrypt(data,output,len, key);
case cipher_chacha12:return cipher_chacha12_decrypt(data,output,len, key);
case cipher_chacha20:return cipher_chacha20_decrypt(data,output,len, key);
case cipher_aes128cfb:return cipher_aes128cfb_decrypt(data,output,len, key);
case cipher_xor:return cipher_xor_decrypt(data,output,len, key);
case cipher_none:return cipher_none_decrypt(data,output,len, key);