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In cryptography, Galois/Counter Mode (GCM) [1] is a mode of operation for symmetric-key cryptographic block ciphers which is widely adopted for its performance. GCM throughput rates for state-of-the-art, high-speed communication channels can be achieved with inexpensive hardware resources.
AES-GCM-SIV is a mode of operation for the Advanced Encryption Standard which provides similar performance to Galois/counter mode as well as misuse resistance in the event of the reuse of a cryptographic nonce. The construction is defined in RFC 8452.
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The following other wikis use this file: Usage on ca.wikipedia.org Mode Galois/Comptador; Usage on de.wikipedia.org Galois/Counter Mode; Usage on fr.wikipedia.org
Counter mode with CBC-MAC (CCM) Galois/Counter Mode (GCM) Cipher Block Chaining (CBC) with HMAC-Secure Hash Algorithm; XTS-HMAC-Secure Hash Algorithm; The P1619.2 Standard for Wide-Block Encryption for Shared Storage Media has proposed algorithms including: Extended Codebook (XCB) Encrypt Mix Encrypt V2 (EME2)
A new mode called Sophie Germain Counter Mode (SGCM) has been proposed as a variant of the Galois/Counter Mode of operation for block ciphers. Instead of the binary field GF(2 128), it uses modular arithmetic in GF(p) where p is a safe prime 2 128 + 12451 with corresponding Sophie Germain prime p − 1 / 2 = 2 127 + 6225. [1]
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For traffic flow, AES should be used with either the Counter Mode (CTR) for low bandwidth traffic or the Galois/Counter Mode (GCM) mode of operation for high bandwidth traffic (see Block cipher modes of operation) – symmetric encryption; Elliptic Curve Digital Signature Algorithm (ECDSA) – digital signatures