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add KDF duration prompt in expert config mode, fixes #168

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git-svn-id: http://encfs.googlecode.com/svn/trunk@105 db9cf616-1c43-0410-9cb8-a902689de0d6
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Valient Gough 2013-06-18 05:54:58 +00:00
parent f4cd48aea1
commit fe2cb136a4
1 changed files with 13 additions and 0 deletions
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13
fs/FileUtils.cpp
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@ -668,6 +668,18 @@ Interface selectNameCoding(const CipherV1::CipherAlgorithm &alg)
} }
} }
static int selectKDFDuration() {
cout << autosprintf(_("Select desired KDF duration in milliseconds.\n"
"The default is 500 (half a second): "));
char answer[10];
char *res = fgets( answer, sizeof(answer), stdin );
int duration = (res == 0 ? 0 : atoi( answer ));
cout << "\n";
return duration;
}
static static
int selectKeySize( const CipherV1::CipherAlgorithm &alg ) int selectKeySize( const CipherV1::CipherAlgorithm &alg )
{ {
@ -1028,6 +1040,7 @@ RootPtr createConfig( EncFS_Context *ctx,
selectBlockMAC(&blockMACBytes, &blockMACRandBytes); selectBlockMAC(&blockMACBytes, &blockMACRandBytes);
allowHoles = selectZeroBlockPassThrough(); allowHoles = selectZeroBlockPassThrough();
} }
desiredKDFDuration = selectKDFDuration();
} }
shared_ptr<CipherV1> cipher = CipherV1::New( alg.iface, keySize ); shared_ptr<CipherV1> cipher = CipherV1::New( alg.iface, keySize );