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Tweakable Hash Functions #1

Merged
merged 8 commits into from
Nov 12, 2022
Merged

Tweakable Hash Functions #1

merged 8 commits into from
Nov 12, 2022

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itzmeanjan
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Implement SPHINCS+

  • tweakable hash functions ( such as T_l, F, H )
  • pseudorandom functions ( such as PRF & PRF_msg )
  • keyed hash functions ( H_msg )

using SHAKE256.

Note
See section 7.2.1 of specification https://sphincs.org/data/sphincs+-r3.1-specification.pdf.

@itzmeanjan
added sha3 dependency as git submodule
963c3fa 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
added message ( to be signed ) compression routine H_msg
c130eb0 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
added routine for generating pseudorandom keys using shake256
37c8cb3 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
added pseudorandom function for generating randomness before message …
0fbfe64 
…compression

Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
generate mask of arbitrary byte length ( used in robust variants )
4f64b7f 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
added tweakable hash function T_l
b7bf020 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
added tweakable hash function F
8c74d7d 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan
added tweakable hash function H
c29c437 
Signed-off-by: Anjan Roy <[email protected]>
@itzmeanjan itzmeanjan merged commit b2d2850 into master Nov 12, 2022
@itzmeanjan itzmeanjan deleted the tweakable-hash branch November 12, 2022 10:06
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@itzmeanjan