Initializing help system before first use

Procedures and functions

Compute the message digest of a document.
Compute the digital signature of a document.
Verify the digital signature of a document.
Generate the fingerprint of an RSA key.
Create a new RSA key pair.
Get the size of an RSA key.
Check whether an RSA key is private.
Load an RSA key file into memory.
Decrypt a document using an RSA private key.
Encrypt a document using an RSA private key.
Decrypt a document using an RSA public key.
Encrypt a document using an RSA public key.
Save an RSA key to a file.
Get the size of the initialisation vector of a cipher.
Get the size of the key required by a symmetric cipher.
Get the size of a message digest.
Generate a random number.
Generate a random data file.
Check the compatibility of a private key with an X509 certificate.
Retrieve information stored in an X509 certificate.
Create a new self-signed X509 certificate.