Polar Bear (cipher)

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In cryptography, Polar Bear is a stream cypher algorithm designed by Johan Håstad and Mats Näslund. It has been submitted to the eSTREAM Project of the eCRYPT network.

External links

Polar Bear eStream submission

Widely used ciphers

eSTREAM Portfolio

Software	HC-256 Rabbit Salsa20 SOSEMANUK
Hardware	Grain MICKEY Trivium

Other ciphers

Theory

Attacks

v t e Cryptography
History of cryptography Outline of cryptography Cryptographic protocol Authentication protocol Cryptographic primitive Cryptanalysis Cryptocurrency Cryptosystem Cryptographic nonce Cryptovirology Hash function Cryptographic hash function Key derivation function Digital signature Kleptography Key (cryptography) Key exchange Key generator Key schedule Key stretching Keygen Cryptojacking malware Ransomware Random number generation Cryptographically secure pseudorandom number generator (CSPRNG) Pseudorandom noise (PRN) Secure channel Insecure channel Subliminal channel Encryption Decryption End-to-end encryption Harvest now, decrypt later Information-theoretic security Plaintext Codetext Ciphertext Shared secret Trapdoor function Trusted timestamping Key-based routing Onion routing Garlic routing Kademlia Mix network
Cryptographic hash function Block cipher Stream cipher Symmetric-key algorithm Authenticated encryption Public-key cryptography Quantum key distribution Quantum cryptography Post-quantum cryptography Message authentication code Random numbers Steganography
Category

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