int HashFile(char **Return, const char *Type, const char *Path, int Encoding)
{
HASH *Hash;
STREAM *S;
char *Tempstr=NULL;
int result;
S=STREAMOpen(Path,"r");
if (! S) return(FALSE);
Hash=HashInit(Type);
if (! Hash)
{
STREAMClose(S);
return(FALSE);
}
Tempstr=SetStrLen(Tempstr,4096);
result=STREAMReadBytes(S,Tempstr,4096);
while (result !=EOF)
{
Hash->Update(Hash, Tempstr, result);
result=STREAMReadBytes(S,Tempstr,4096);
}
DestroyString(Tempstr);
STREAMClose(S);
result=HashFinish(Hash, Encoding, Return);
return(result);
}
int HashratCheckSignedFile(char *Path, HashratCtx *Ctx)
{
STREAM *S;
char *Tempstr=NULL, *HashStr=NULL;
THash *Hash, *tmpHash;
int LineCount=0;
S=STREAMOpenFile(Path, SF_RDWR);
if (! S) return(FALSE);
Hash=HashInit(Ctx->HashType);
Tempstr=STREAMReadLine(Tempstr, S);
while (Tempstr)
{
LineCount++;
//hashrat-integrity-mark: 2014/10/29 21:05:19 md5:nTnlHmvVowFowmxXtm0uNw==
if (strncmp(Tempstr, "hashrat-integrity-mark: ",24)==0)
{
tmpHash=Hash->Clone(Hash);
HashFinish(tmpHash,ENCODE_BASE64,&HashStr);
HashratOutputSigningCheck(Ctx, HashStr, Tempstr, LineCount);
}
Hash->Update(Hash ,Tempstr, StrLen(Tempstr));
Tempstr=STREAMReadLine(Tempstr, S);
}
DestroyString(Tempstr);
DestroyString(HashStr);
return(TRUE);
}
int HashBytes(char **Return, const char *Type, const char *text, int len, int Encoding)
{
HASH *Hash;
int result;
Hash=HashInit(Type);
if (! Hash) return(0);
Hash->Update(Hash, text, len);
result=HashFinish(Hash, Encoding, Return);
return(result);
}