2026-08-30 10:39:49 -05:00 | | | //+------------------------------------------------------------------+
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| | | //| DER.mqh |
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| | | //| Copyright 2026, Niquel Mendoza |
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| | | //| https://www.mql5.com |
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| | | //+------------------------------------------------------------------+
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| | | #property copyright "Copyright 2026, Niquel Mendoza"
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| | | #property link "https://www.mql5.com"
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| | | #property strict
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| | |
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| | | #ifndef CRYPTOBYLEO_SRC_ASN1_MAIN_MQH
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| | | #define CRYPTOBYLEO_SRC_ASN1_MAIN_MQH
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| | |
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| | | //+------------------------------------------------------------------+
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| | | //| |
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| | | //+------------------------------------------------------------------+
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| | | #include "Def.mqh"
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| | |
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| | | //+------------------------------------------------------------------+
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| | | //| |
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| | | //+------------------------------------------------------------------+
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| | | namespace TSN
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| | | {
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| | | //+------------------------------------------------------------------+
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| | | //| |
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| | | //+------------------------------------------------------------------+
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| | | class CASN1Utils
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| | | {
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| | | public:
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| | | CASN1Utils(void) {}
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| | | ~CASN1Utils(void) {}
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| | |
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| | | //---
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| | | static int ContentTotalBytes(int content_len, uchar& lenw);
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| | | };
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| | |
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| | | //+------------------------------------------------------------------+
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| | | //| |
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| | | //+------------------------------------------------------------------+
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| | | // retonra el tamaño total
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| | | // lenw=byte luego del tag a escribir..
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| | | static int CASN1Utils::ContentTotalBytes(int content_len, uchar& lenw)
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| | | {
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| | | uchar count = 1;
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| | | if(content_len > 127)
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| | | {
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| | | // en cuantos bytes reqeurrimos (extra)
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| | | do
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| | | {
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| | | content_len >>= 8;
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| | | count++;
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| | | }
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| | | while(content_len > 0);
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| | | lenw = CBL_ASN1_MASK_BYTEALTO | count;
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| | | }
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| | | else
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| | | {
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| | | lenw = uchar(content_len);
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| | | }
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| | | // tag + byteslen + contentlen
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| | | return 1 + count + content_len;
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| | | }
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| | |
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| | |
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| | | //+------------------------------------------------------------------+
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| | | //| |
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| | | //+------------------------------------------------------------------+
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| | | //+------------------------------------------------------------------+
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| | | // en caso este acitvo el alto long form (saltaomos el numero de bytes que menciona)
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| | | // de lo contraio solo saltmaos.. 1
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| | | #define CBL_ASN1_U_SALTAR_LEN(buf, r) \
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| | | { \
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| | | if((buf[r] & CBL_ASN1_MASK_BYTEALTO) != 0) \
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| | | r += (buf[r] & CBL_ASN1_MASK_CLEAN_BYTEALTO); \
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| | | else \
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| | | r++; \
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| | | }
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| | |
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| | |
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| | | //+------------------------------------------------------------------+
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| | | #define CBL_ASN1_U_WRITELEN(buf, w, lenw, total) \
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| | | { \
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| | | buf[w++] = lenw; \
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| | | if((lenw & CBL_ASN1_MASK_BYTEALTO) != 0) \
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| | | { \
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| | | lenw &= CBL_ASN1_MASK_CLEAN_BYTEALTO; \
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| | | total -= 1 + lenw; \
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2026-08-30 13:43:59 -05:00 | | | do \
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2026-08-30 10:39:49 -05:00 | | | { \
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| | | buf[w++] = uchar(total); \
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| | | total >>= 8; \
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| | | } \
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2026-08-30 13:43:59 -05:00 | | | while(total > 0); \
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2026-08-30 10:39:49 -05:00 | | | } \
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| | | }
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| | |
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| | |
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| | | }
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| | | #endif // CRYPTOBYLEO_SRC_ASN1_MAIN_MQH
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| | | //+------------------------------------------------------------------+
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