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-rw-r--r--src/ed2k.cpp74
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;
}