Template:Comparison of SHA functions

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Comparison of SHA functions

Algorithm and variant Output size
(bits)
Internal state size
(bits)
Block size
(bits)
Rounds Operations Security (in bits) against collision attacks Capacity
against length extension attacks
Performance on Skylake (median cpb)[1] First published
long messages 8 bytes
MD5 (as reference) 128 128
(4 × 32)
512 64 And, Xor, Rot, Add (mod 232), Or ≤18
(collisions found)[2]
0 4.99 55.00 1992
SHA-0 160 160
(5 × 32)
512 80 And, Xor, Rot, Add (mod 232), Or <34
(collisions found)
0 ≈ SHA-1 ≈ SHA-1 1993
SHA-1 <63
(collisions found[3])
3.47 52.00 1995
SHA-2 SHA-224
SHA-256
224
256
256
(8 × 32)
512 64 And, Xor, Rot, Add (mod 232), Or, Shr 112
128
32
0
7.62
7.63
84.50
85.25
2004
2001
SHA-384
SHA-512
384
512
512
(8 × 64)
1024 80 And, Xor, Rot, Add (mod 264), Or, Shr 192
256
128 (≤ 384)
0
5.12
5.06
135.75
135.50
2001
SHA-512/224
SHA-512/256
224
256
112
128
288
256
≈ SHA-384 ≈ SHA-384 2012
SHA-3 SHA3-224
SHA3-256
SHA3-384
SHA3-512
224
256
384
512
1600
(5 × 5 × 64)
1152
1088
832
576
24[4] And, Xor, Rot, Not 112
128
192
256
448
512
768
1024
8.12
8.59
11.06
15.88
154.25
155.50
164.00
164.00
2015
SHAKE128
SHAKE256
d (arbitrary)
d (arbitrary)
1344
1088
min(d/2, 128)
min(d/2, 256)
256
512
7.08
8.59
155.25
155.50

References

  1. ^ "Measurements table". bench.cr.yp.to.
  2. ^ Xie Tao; Fanbao Liu & Dengguo Feng (2013). "Fast Collision Attack on MD5" (PDF).
  3. ^ "Announcing the first SHA1 collision". Retrieved 2017-02-23.
  4. ^ "The Keccak sponge function family". Retrieved 2016-01-27.