2026-08-12 08:29:06 -05:00 | | | //+------------------------------------------------------------------+
|
| | | //| Def.mqh |
|
| | | //| Copyright 2026, Niquel Mendoza |
|
| | | //| https://www.mql5.com |
|
| | | //+------------------------------------------------------------------+
|
| | | #property copyright "Copyright 2026, Niquel Mendoza"
|
| | | #property link "https://www.mql5.com"
|
| | | #property strict
|
| | |
|
| | | #ifndef CRYPTOBYLEO_SRC_SIMETRIC_CHACHA20_DEF_MQH
|
| | | #define CRYPTOBYLEO_SRC_SIMETRIC_CHACHA20_DEF_MQH
|
| | |
|
| | | //+------------------------------------------------------------------+
|
| | | //| |
|
| | | //+------------------------------------------------------------------+
|
| | | namespace TSN
|
| | | {
|
| | | //+------------------------------------------------------------------+
|
| | | //| |
|
| | | //+------------------------------------------------------------------+
|
| | | // s = state
|
2026-08-12 13:31:16 -05:00 | | | // b = bytes
|
| | | #define CHACHA20_KEYSIZEB (32)
|
| | | #define CHACHA20_STATE_S (16)
|
| | | #define CHACHA20_KEYSTREAM_SIZEB (64)
|
| | | // tamaño para uint32_t (para bytes compeltos el tamaño de key strema de es de 64) para u32 es de16
|
| | | #define CHACHA20_KEYSTREAM_SIZE_U32 (16)
|
| | | #define CHACHA20_IVNONE_B (12)
|
| | | #define CHACHA20_STATE_IDX_CNT (12)
|
| | |
|
| | | //---- Macro de utildiades
|
| | | // rotacion a la izuqirda 32
|
| | | #define CHACHA20_ROT32L(x, n) ((x << n) | (x >> (32 - n)))
|
| | |
|
| | | //--- Macro base del algoritmo la funcion QR
|
| | | #define CHACHA20_QR(a, b, c, d) \
|
| | | a += b; d ^= a; d = CHACHA20_ROT32L(d, 16); \
|
| | | c += d; b ^= c; b = CHACHA20_ROT32L(b, 12); \
|
| | | a += b; d ^= a; d = CHACHA20_ROT32L(d, 8); \
|
| | | c += d; b ^= c; b = CHACHA20_ROT32L(b, 7);
|
| | |
|
| | | //---- Macro que eqvuila a una ronda completa..
|
| | | // ¿Aplicamos en columnas luego en diagnoleas..
|
| | | #define CHACHA20_DOUBLE_ROUND \
|
| | | CHACHA20_QR(x0, x4, x8, x12) \
|
| | | CHACHA20_QR(x1, x5, x9, x13) \
|
| | | CHACHA20_QR(x2, x6, x10, x14) \
|
| | | CHACHA20_QR(x3, x7, x11, x15) \
|
| | | CHACHA20_QR(x0, x5, x10, x15) \
|
| | | CHACHA20_QR(x1, x6, x11, x12) \
|
| | | CHACHA20_QR(x2, x7, x8, x13) \
|
| | | CHACHA20_QR(x3, x4, x9, x14)
|
2026-08-12 08:29:06 -05:00 | | |
|
| | |
|
| | | }
|
| | | //+------------------------------------------------------------------+
|
2026-08-12 13:31:16 -05:00 | | | #endif // CRYPTOBYLEO_SRC_SIMETRIC_CHACHA20_DEF_MQH
|
