Template: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 | ||
| SHA-512/224 SHA-512/256 |
224 256 |
112 128 |
288 256 |
≈ SHA-384 | ≈ SHA-384 | ||||||
| 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
- ^ "Measurments table". bench.cr.yp.to.
- ^ Xie Tao; Fanbao Liu; Dengguo Feng (2013). "Fast Collision Attack on MD5" (PDF).
{{cite journal}}: Cite journal requires|journal=(help); Unknown parameter|last-author-amp=ignored (|name-list-style=suggested) (help) - ^ "Announcing the first SHA1 collision". Retrieved 2017-02-23.
- ^ "The Keccak sponge function family". Retrieved 2016-01-27.