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2021-04-27 Fred Gleason <fredg@paravelsystems.com>

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* Changed the 'RDAIRPLAY_EXIT_PASSWORD' field from 'varchar(41)'
	to 'varchar(48)'.
	* Incremented the database version to 349.
	* Renamed the 'RDSha1Hash()' function to 'RDSha1HashFile()'.
	* Added 'RDSha1HashPassword()' function in 'lib/rdhash.[cpp|h]'.
	* Added 'RDSha1HashCheckPassword()' function in 'lib/rdhash.[cpp|h]'.
	* Changed the hashing algorithm used for the Exit Password for
	rdairplay(1) to salted SHA1.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
This commit is contained in:
Fred Gleason
2021-04-27 16:52:26 -04:00
parent 05c35a208c
commit 9a65658267
17 changed files with 164 additions and 46 deletions
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45
lib/rdhash.cpp
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@@ -27,9 +27,28 @@
#include <openssl/sha.h>
#include <QDateTime>
#include "rdhash.h"
QString RDSha1Hash(const QString &filename,bool throttle)
QString __RDSha1Hash_MakePasswordHash(const QString &secret,const QString &salt)
{
SHA_CTX ctx;
unsigned char md[SHA_DIGEST_LENGTH];
SHA1_Init(&ctx);
SHA1_Update(&ctx,salt.toUtf8(),salt.toUtf8().length());
SHA1_Update(&ctx,secret.toUtf8(),secret.toUtf8().length());
SHA1_Final(md,&ctx);
QString ret=salt;
for(int i=0;i<SHA_DIGEST_LENGTH;i++) {
ret+=QString().sprintf("%02x",0xff&md[i]);
}
return ret;
}
QString RDSha1HashFile(const QString &filename,bool throttle)
{
QString ret;
SHA_CTX ctx;
@@ -57,3 +76,27 @@ QString RDSha1Hash(const QString &filename,bool throttle)
return ret;
}
QString RDSha1HashPassword(const QString &secret)
{
//
// Create a salt value
//
srand(QDateTime::currentDateTime().toMSecsSinceEpoch());
QString salt=QString().sprintf("%08x",rand());
//
// Generate the hash
//
return __RDSha1Hash_MakePasswordHash(secret,salt);
}
bool RDSha1HashCheckPassword(const QString &secret,const QString &hash)
{
QString salt=secret.left(8);
return __RDSha1Hash_MakePasswordHash(secret,hash.left(8))==hash;
}