Procedures and functions

msgdigest	Compute the message digest of a document.
msgsign	Compute the digital signature of a document.
msgverify	Verify the digital signature of a document.
RSAfingerprint	Generate the fingerprint of an RSA key.
RSAgenkey	Create a new RSA key pair.
RSAgetkeysize	Get the size of an RSA key.
RSAisprivate	Check whether an RSA key is private.
RSAloadkey	Load an RSA key file into memory.
RSAprivdecrypt	Decrypt a document using an RSA private key.
RSAprivencrypt	Encrypt a document using an RSA private key.
RSApubdecrypt	Decrypt a document using an RSA public key.
RSApubencrypt	Encrypt a document using an RSA public key.
RSAsavekey	Save an RSA key to a file.
sslivsize	Get the size of the initialisation vector of a cipher.
sslkeysize	Get the size of the key required by a symmetric cipher.
sslmdsize	Get the size of a message digest.
sslrandom	Generate a random number.
sslrandomdata	Generate a random data file.
x509check	Check the compatibility of a private key with an X509 certificate.
x509getinfo	Retrieve information stored in an X509 certificate.
x509newcrt	Create a new self-signed X509 certificate.