diff options
author | zyp <zyp@localhost> | 2006-05-09 22:33:27 +0200 |
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committer | zyp <zyp@localhost> | 2006-05-09 22:33:27 +0200 |
commit | 0c4fc1e72770fc78d87891e5c031272fca59e409 (patch) | |
tree | 10682cb815cff09ec1e2ce9beb619c916f08616c /src/ed2k.cpp | |
parent | 373495b3a1c8ccdcfece70bac69625b6823ccec0 (diff) |
[project @ zyp-20060509203327-c8c93b489da2ea46]
[project @ 27]
Multihash library rewrite complete.
Diffstat (limited to 'src/ed2k.cpp')
-rw-r--r-- | src/ed2k.cpp | 74 |
1 files changed, 38 insertions, 36 deletions
diff --git a/src/ed2k.cpp b/src/ed2k.cpp index 92e7b15..2d4b2f7 100644 --- a/src/ed2k.cpp +++ b/src/ed2k.cpp @@ -1,41 +1,43 @@ #include "ed2k.h" -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; -} - -void Ed2k::update(const char* data, int length) { - 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); +namespace Multihash { + template<class T> + inline T min(T a, T b) { + return (a > b) ? b : a; + } + + Ed2k::Ed2k(Hash* n) : Hash(n) { + MD4_Init(&md4_partial); + MD4_Init(&md4_final); + size_total = 0; + } + + void Ed2k::hash_update(const char* data, int length) { + 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::hash_digest() { + char digest[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); } - int size = min<int>(length, (9500 * 1024) - (size_total % (9500 * 1024))); - MD4_Update(&md4_partial, data, size); - length -= size; - data += size; - size_total += size; - }; -} - -char* Ed2k::digest() { - 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); + return Hex::hex(digest, 16); } - return digest; } |