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GeneralRe: How to upgrade from .NET 1.1 to .NET 2.0 Pin
CompMan441-Mar-07 4:39
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GeneralRe: How to upgrade from .NET 1.1 to .NET 2.0 Pin
M-Hall2-Mar-07 16:51
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GeneralRe: How to upgrade from .NET 1.1 to .NET 2.0 Pin
CompMan443-Mar-07 11:42
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QuestionScroll Bar Position Mirroring Pin
Rabbit176-Feb-07 7:30
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Questioncan i use ILDASM(MS Disassember) to extract binary's dependency at command prompt Pin
Mushtaque Nizamani6-Feb-07 4:03
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QuestionAssembly in GAC Pin
vasini6-Feb-07 3:28
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AnswerRe: Assembly in GAC Pin
Abisodun6-Feb-07 7:36
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QuestionHow to decrypt a string? Pin
Ralph A. Moritz6-Feb-07 2:55
MemberRalph A. Moritz6-Feb-07 2:55 
Hi everyone,

I'm trying to decrypt some encrypted text that has been Base64 encoded. The following code throws a System.Security.Cryptography.CryptographicException with the message "Length of the data to decrypt is invalid." I'd appreciate it if someone could demontrate the correct way of doing this and/or point out the flaws in my code.

System::String^ Quantum::Util::DecryptString(System::String^ str)
{
using namespace System::IO;
using namespace System::Security::Cryptography;

MemoryStream^ ms = gcnew MemoryStream;
RijndaelManaged^ rm = gcnew RijndaelManaged;
CryptoStream^ cs = gcnew CryptoStream(ms, rm->CreateDecryptor(),
CryptoStreamMode::Write);
StreamWriter^ sw = gcnew StreamWriter(cs);

try {
array<System::Byte>^ bytes = System::Convert::FromBase64String(str);
sw->Write(bytes);
} finally {
sw->Close();
cs->Close();
ms->Close();
}


return System::Convert::ToString(ms->ToArray());
}
QuestionFramework compatibility problem [modified] Pin
Abhishek Joshi6-Feb-07 2:49
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QuestionHow to call a function from thread? Pin
Banks K5-Feb-07 19:26
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QuestionC#.Net Pin
Sri harini5-Feb-07 18:02
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AnswerRe: C#.Net Pin
Christian Graus5-Feb-07 18:12
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QuestionHelp with formatted reads from String^ Pin
largenqcd4-Feb-07 18:13
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AnswerRe: Help with formatted reads from String^ Pin
User 5838524-Feb-07 18:42
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GeneralRe: Help with formatted reads from String^ Pin
largenqcd5-Feb-07 3:37
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GeneralRe: Help with formatted reads from String^ Pin
largenqcd5-Feb-07 14:43
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Questionwhat is CodeDom ???? [modified] Pin
PavanPareta4-Feb-07 17:36
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AnswerRe: what is code com ???? Pin
Christian Graus4-Feb-07 23:04
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GeneralRe: what is code com ???? Pin
DavidNohejl5-Feb-07 22:47
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AnswerRe: what is code com ???? Pin
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GeneralRe: what is CodeDom ???? Pin
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AnswerRe: what is CodeDom ???? Pin
DavidNohejl5-Feb-07 22:53
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QuestionVIDEO WATERMARKING Pin
PREDATORUNLEASHED2-Feb-07 21:49
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AnswerRe: VIDEO WATERMARKING Pin
Christian Graus2-Feb-07 22:07
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GeneralGood evening Christian Pin
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