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What is PKCS7 and how to use it?

843811Sep 28 2005 — edited Sep 29 2005
Hi! I'm in a project in which I must send a file encrypted with a key that is also encrypted with a public key, the receiver must decrypt the key using his(her) private key, and then, using that decrypted key to in turn decrypt the file.

I've been told to use PKCS7 standard, but is not clear for me how it works, and how to use it. I use bouncycastle, and know that it has APIs to do something like this.

Any light will be greatly appreciated!
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Locked on Oct 27 2005
Added on Sep 28 2005
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