What is a Passphrase?

A passphrase is a sequence of characters longer than a common password (usually, a typical password is typically 4 to 16 characters long). It is used to form a digital signature or to encrypt and decrypt information.

Passphrase

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A passphrase is a sequence of characters longer than a common password (usually, a typical password is typically 4 to 16 characters long). It is used to form a digital signature or to encrypt and decrypt information.

A passphrase is a sequence of characters longer than a common password (usually, a typical password is typically 4 to 16 characters long) and is used to form a digital signature (an encoded signature can prove whether someone is It's the object you really want to send mail to) or for the encryption and decryption of information. For example, Phil Zimmermann's popular encryption program, pretty good privacy, requires a passphrase when you sign or decrypt a message. Passphrases can often be longer than 100 characters. ^[1]