Symmetric Stream Ciphers Flashcards

1
Q

RRFP (rock&roll for pay-cut)

A

RCA
RC4
Fish
Pike
ChaCha

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2
Q

RCA

A

Key 1-256
Rounds 255 up to

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3
Q

RC4

A

Key size 1-2048 (40 bit min)
Weak, used for SSL and Wi-Fi
RFC 7465 prohibits use in TLS

Widely used stream cipher

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4
Q

Fish

A

Uses Fibonacci PRNG

Data stream XOR’d with the key

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5
Q

Pike

A

Revised version of fish

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6
Q

ChaCha

A

Stream cipher
256 bit stream
Faster than AES

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