name: PAKE
full_form: Password-based key establishment
context: There are many PAKE protocols in the literature. Specific PAKE protocols that are of special interest are IETF PAKE protocols in discussion and/or standardization at IRTF CFRG, e.g. CPAKE[10], OPAQUE[11], SPAKE2[12] or SPAKE2+[13]. CPAKE and SPAKE2 are balanced PAKE protocols. OPAQUE and SPAKE2+ are augmented PAKE protocols. While CPAKE and OPAQUE have been formally endorsed in the PAKE selection process by IRTF CFRG as balanced and augmented options, the choice of SPAKE2 and SPAKE2+ as balanced and augmented PAKE protocols, respectively, is also meaningful due to the similarity between them.
description: PAKE (Password-based key establishment) refers to a class of cryptographic protocols designed for secure password-based authentication and key exchange over an insecure communication channel. These protocols enable two parties to establish a shared secret key based on a common password, without actually exchanging the password.
explanation: PAKE is classified under Cryptography because it deals with the principles and techniques of securing communications through encryption, decryption, and authentication. The description emphasizes its use in establishing secure key exchanges using passwords, which is a core function within cryptography.
section_title: 6.10.2.2	PAKE protocols
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