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Hi sriharish,<br />
&gt;&nbsp;correctness of the encryption key( password, signature) befor decrypting files<br />
If you are using symmetric encryption, such check is redundant as decrypting will produce a meaningful result only if file was encrypted with the same key...<br />
<br />
If you are talking about asymmetric encryption, then again it does not makes sense as no single party is supposed to have access to encryption as well as decryption key !!!<br />
<br />
I think what you are talking about is the authenticity of the decryption key supplied to you ... this is done by means of a verifying authority/certifying authority (CA) which is supposed to be trusted by all ... this verifying authority digitally signs the decryption keys ... when you get such a key, you can first check the digital signatures of &nbsp;the verifying authority ... Verisign is one such CA<br />
<br />
Cheers!<br />
Sunny:o)
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Hi sriharish,
> correctness of the encryption key( password, signature) befor decrypting files
If you are using symmetric encryption, such check is redundant as decrypting will produce a meaningful result only if file was encrypted with the same key...

If you are talking about asymmetric encryption, then again it does not makes sense as no single party is supposed to have access to encryption as well as decryption key !!!

I think what you are talking about is the authenticity of the decryption key supplied to you ... this is done by means of a verifying authority/certifying authority (CA) which is supposed to be trusted by all ... this verifying authority digitally signs the decryption keys ... when you get such a key, you can first check the digital signatures of  the verifying authority ... Verisign is one such CA

Cheers!
Sunny:o)

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I have seen many encryption algorithms but where can i find encryption algoriths which checks for the correctness of the encryption key( password, signature) befor decrypting files.
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I have seen many encryption algorithms but where can i find encryption algoriths which checks for the correctness of the encryption key( password, signature) befor decrypting files.

Encryption Problem in VB

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