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Add sha256 to String and File/FileAccess.

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Probably does #4166
This commit is contained in:
Bojidar Marinov 2016-06-17 10:55:16 +03:00
parent 367aabf030
commit 7073bb0bb2
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GPG key ID: 4B0FD31949AD430D
10 changed files with 366 additions and 7 deletions
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27
core/ustring.cpp
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@ -32,6 +32,7 @@
#include "print_string.h"
#include "math_funcs.h"
#include "io/md5.h"
#include "io/sha256.h"
#include "ucaps.h"
#include "color.h"
#include "variant.h"
@ -849,21 +850,23 @@ const CharType * String::c_str() const {
}
String String::md5(const uint8_t *p_md5) {
return String::hex_encode_buffer(p_md5, 16);
}
String String::hex_encode_buffer(const uint8_t *p_buffer, int p_len) {
static const char hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
String ret;
char v[2]={0,0};
for(int i=0;i<16;i++) {
static const char hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
char v[2]={0,0};
v[0]=hex[p_md5[i]>>4];
for(int i=0;i<p_len;i++) {
v[0]=hex[p_buffer[i]>>4];
ret+=v;
v[0]=hex[p_md5[i]&0xF];
v[0]=hex[p_buffer[i]&0xF];
ret+=v;
}
return ret;
}
String String::chr(CharType p_char) {
@ -2389,6 +2392,16 @@ String String::md5_text() const {
return String::md5(ctx.digest);
}
String String::sha256_text() const {
CharString cs=utf8();
unsigned char hash[32];
sha256_context ctx;
sha256_init(&ctx);
sha256_hash(&ctx,(unsigned char*)cs.ptr(),cs.length());
sha256_done(&ctx, hash);
return String::hex_encode_buffer(hash, 32);
}
Vector<uint8_t> String::md5_buffer() const {
CharString cs=utf8();