Module ring13::aead

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Authenticated Encryption with Associated Data (AEAD).

See Authenticated encryption: relations among notions and analysis of the generic composition paradigm for an introduction to the concept of AEADs.

C analog: GFp/aead.h

Go analog: crypto.cipher.AEAD

Modules

chacha20_poly1305_openssh
The chacha20-poly1305@openssh.com AEAD-ish construct.

Structs

Algorithm
An AEAD Algorithm.
OpeningKey
A key for authenticating and decrypting (“opening”) AEAD-protected data.
SealingKey
A key for encrypting and signing (“sealing”) data.

Constants

MAX_TAG_LEN
The maximum length of a tag for the algorithms in this module.

Statics

AES_128_GCM
AES-128 in GCM mode with 128-bit tags and 96 bit nonces.
AES_256_GCM
AES-256 in GCM mode with 128-bit tags and 96 bit nonces.
CHACHA20_POLY1305
ChaCha20-Poly1305 as described in RFC 7539.

Functions

open_in_place
Authenticates and decrypts (“opens”) data in place.
seal_in_place
Encrypts and signs (“seals”) data in place.