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update api

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源文雨
2022-10-14 20:32:52 +08:00
parent 95f76aa730
commit efa7cfab66
3 changed files with 213 additions and 146 deletions
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58
simplecrypto.h
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@@ -13,21 +13,53 @@ uint8_t* md5(const uint8_t *data, size_t data_len, uint8_t digest[16]);
// ---------------TEA area---------------
typedef uint32_t TEA;
struct TEADAT {
int64_t len;
uint8_t* data;
void* ptr; // free() must use this val
// TEA is the password of the tea algorithm
struct TEA {
uint32_t t[4];
};
typedef struct TEADAT TEADAT;
typedef struct TEA TEA;
int64_t tea_encrypt_qq(const TEA t[4], const TEADAT* src, TEADAT* out);
int64_t tea_encrypt(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
int64_t tea_encrypt_native_endian(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
int64_t tea_decrypt_qq(const TEA t[4], const TEADAT* src, TEADAT* out);
int64_t tea_decrypt(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
int64_t tea_decrypt_native_endian(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
// tea_encrypt_len is exactly the input buffer length
inline int64_t tea_encrypt_len(int64_t inlen) {
int64_t fill = 10 - (inlen+1)%8;
return fill+inlen+7;
}
// tea_decrypt_len's buf0 is the first byte of the buffer passed into decode
// if you want to allocate decode buffer, just use the encoded data length
inline int64_t tea_decrypt_len(int64_t inlen, uint8_t buf0) {
int start = (buf0&7)+3;
return inlen-7-start;
}
// tea_encrypt_qq use qq sumtable, read from src, write to dst, return write count
// please allocate no less than tea_encrypt_len(len(src)) bytes for dst
int64_t tea_encrypt_qq(const TEA t, const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_encrypt use custom sumtable, read from src, write to dst, return write count
// please allocate no less than tea_encrypt_len(len(src)) bytes for dst
int64_t tea_encrypt(const TEA t, const uint32_t sumtable[0x10], const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_encrypt_qq_native_endian is the same as tea_encrypt_qq on BE machine
int64_t tea_encrypt_qq_native_endian(const TEA t, const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_encrypt_native_endian is the same as tea_encrypt on BE machine
int64_t tea_encrypt_native_endian(const TEA t, const uint32_t sumtable[0x10], const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_decrypt_qq use qq sumtable, read from src, write to dst, return start pointer of decrypted data
// length can be calculated by tea_decrypt_len or dst_buf_last-dst
uint8_t* tea_decrypt_qq(const TEA t, const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_decrypt use custom sumtable, read from src, write to dst, return start pointer of decrypted data
// length can be calculated by tea_decrypt_len or dst_buf_last-dst
uint8_t* tea_decrypt(const TEA t, const uint32_t sumtable[0x10], const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_decrypt_qq_native_endian is the same as tea_decrypt_qq on BE machine
uint8_t* tea_decrypt_qq_native_endian(const TEA t, const uint8_t* src, int64_t srclen, uint8_t* dst);
// tea_decrypt_native_endian is the same as tea_decrypt on BE machine
uint8_t* tea_decrypt_native_endian(const TEA t, const uint32_t sumtable[0x10], const uint8_t* src, int64_t srclen, uint8_t* dst);
// ---------------TEA area---------------
#endif
#endif