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ChaCha20-Poly1305 is an authenticated encryption with associated data (AEAD) algorithm, that combines the ChaCha20 stream cipher with the Poly1305 message authentication code. [1] It has fast software performance, and without hardware acceleration, is usually faster than AES-GCM. [1]: §B
Authenticated Encryption (AE) is an encryption scheme which simultaneously assures the data confidentiality (also known as privacy: the encrypted message is impossible to understand without the knowledge of a secret key [1]) and authenticity (in other words, it is unforgeable: [2] the encrypted message includes an authentication tag that the sender can calculate only while possessing the ...
GCM was designed by John Viega and David A. McGrew to be an improvement to Carter–Wegman counter mode (CWC mode). [4] In November 2007, NIST announced the release of NIST Special Publication 800-38D Recommendation for Block Cipher Modes of Operation: Galois/Counter Mode (GCM) and GMAC making GCM and GMAC official standards. [5]
Poly1305 is a universal hash family designed by Daniel J. Bernstein in 2002 for use in cryptography. [1] [2]As with any universal hash family, Poly1305 can be used as a one-time message authentication code to authenticate a single message using a secret key shared between sender and recipient, [3] similar to the way that a one-time pad can be used to conceal the content of a single message ...
EAX mode (encrypt-then-authenticate-then-translate [1]) is a mode of operation for cryptographic block ciphers. It is an Authenticated Encryption with Associated Data algorithm designed to simultaneously provide both authentication and privacy of the message (authenticated encryption) with a two-pass scheme, one pass for achieving privacy and one for authenticity for each block.
BC-FJA 2.0.0 / July 30, 2024; 4 months ago () [4] C#: 2.4.0 ... Network Security Services (NSS) Mozilla: C: Yes: ... GCM OCB XTS AES-Wrap Stream EAX; Botan: No Yes Yes
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except AES_GCM No [95] Schannel 7/2008R2, 8.1/2012R2: Yes Disabled by default Yes 2048 bits by default [96] No Yes No except AES_GCM No [95] Schannel 10: Yes Disabled by default Yes 2048 bits by default [96] No Yes No Yes No [95] Secure Transport OS X 10.6 Yes Yes except AES_GCM Yes Yes except AES_GCM yes except AES_GCM No Secure Transport OS X ...