This tutorial covers the basics of the science of cryptography. It explains how programmers and network professionals can use cryptography to maintain the privacy of computer data. Starting with the origins of cryptography, it moves on to explain cryptosystems, various traditional and modern ciphers, public key encryption, data integration, message authentication, and digital signatures.
Error :
Unknown error
Support Information: CGetSigningParams-3878
Solution :
- Launch Adobe Reader
- Select Edit -> Preferences
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- Select "Signatures" from Categories
- Click "More..." button on Creation & Appearance block
- Uncheck "Use modern user interface for signing and Digital ID configuration"
Click New
- Choose Imported graphic, Click File
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- Click "OK" button and then again click "OK" button on Preference dialog
