diff options
author | zyp <zyp@localhost> | 2006-05-11 18:34:59 +0200 |
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committer | zyp <zyp@localhost> | 2006-05-11 18:34:59 +0200 |
commit | ea36dd2639b7b562aee9aa587489be9bf9bc4c73 (patch) | |
tree | a5a17cfef9f044850fa225f68d212ad37bcc5d6a /ed2k/ed2k.cpp | |
parent | d4f7c7d7f6311d420a8b3ecac72659f499d3c848 (diff) |
[project @ zyp-20060511163459-2e238e10d316fe12]
[project @ 29]
Adapted pyanidb to distutils.
Diffstat (limited to 'ed2k/ed2k.cpp')
-rw-r--r-- | ed2k/ed2k.cpp | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/ed2k/ed2k.cpp b/ed2k/ed2k.cpp deleted file mode 100644 index 369f57e..0000000 --- a/ed2k/ed2k.cpp +++ /dev/null @@ -1,68 +0,0 @@ -#include "ed2k.h" - -namespace Hex { - static char* digits = "0123456789abcdef"; - std::string hex(char* bin, int length) { - std::string s(length * 2, ' '); - for(int i = 0; i < length; i++) { - s[i*2] = digits[(bin[i] >> 4) & 0xf]; - s[i*2+1] = digits[bin[i] & 0xf]; - } - return s; - } - std::string hex(int bin) { - std::string s(sizeof(int) * 2, ' '); - for(int i = 0; i < sizeof(int) * 2; i++) { - s[sizeof(int) * 2 - 1 - i] = digits[bin & 0xf]; - bin = bin >> 4; - } - return s; - } -} - -template<class T> -inline T min(T a, T b) { - return (a > b) ? b : a; -} - -Ed2k::Ed2k() { - MD4_Init(&md4_partial); - MD4_Init(&md4_final); - size_total = 0; - digest_str = ""; -} - -void Ed2k::update(std::string data_str) { - unsigned int length = data_str.length(); - const char* data = data_str.c_str(); - while(length) { - if(!(size_total % (9500 * 1024)) && size_total) { - unsigned char digest[16]; - MD4_Final(digest, &md4_partial); - MD4_Update(&md4_final, digest, 16); - MD4_Init(&md4_partial); - } - int size = min<int>(length, (9500 * 1024) - (size_total % (9500 * 1024))); - MD4_Update(&md4_partial, data, size); - length -= size; - data += size; - size_total += size; - }; -} - -std::string Ed2k::digest() { - if(!digest_str.length()) { - char* digest = new char[16]; - if(size_total > (9500 * 1024)) { - unsigned char digest_partial[16]; - MD4_Final(digest_partial, &md4_partial); - MD4_Update(&md4_final, digest_partial, 16); - MD4_Final((unsigned char*)digest, &md4_final); - } else { - MD4_Final((unsigned char*)digest, &md4_partial); - } - digest_str = Hex::hex(digest, 16); - delete digest; - } - return digest_str; -} |