Private Key Password

I have set up a application that creates a digital signature using a certificate.  I installed the certificate with the private key using certificate services.  The application seems to work as it shoud but does not ask me for the password for the private key before encryption.
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Kevin RobinsonPrivate VB.NET ContractorAsked:
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Rich RumbleSecurity SamuraiCommented:
The password you supply is what each of the keys derive the hash's from... when you setup, you input a password, then the private key is made based on that password, and the public key is made based on the private key. You never need a password again, just the key's.
Are you trying to sign emails? Try GPG http://www.gnupg.org/(en)/documentation/guides.html
http://www.experts-exchange.com/Security/Q_22041521.html#17831350
-rich
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Rich RumbleSecurity SamuraiCommented:
No, your only signing the message, your not encrypting it... http://en.wikipedia.org/wiki/Public-key_cryptography
public key digital signature — allowing anyone to verify that a message was created with a specific private key.
The public key is available for others the check that the private key created the file/message.
http://en.wikipedia.org/wiki/Public_key_certificate
-rich
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Kevin RobinsonPrivate VB.NET ContractorAuthor Commented:
"No, your only signing the message"  

This is exactly what I want to do.  I want to use this signature as a replacement for a physical signature.
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