Add BLAKE2BP512 and BLAKE2BP512E backends

using a blake2 variant optimised for 4-way CPUs

This had been deferred because the Debian package of cryptonite, and
possibly other builds, was broken for blake2bp, but I've confirmed #892855
is fixed.

This commit was sponsored by Brett Eisenberg on Patreon.
This commit is contained in:
Joey Hess 2019-07-05 15:29:00 -04:00
parent 9a5ddda511
commit 0c6b7e288d
No known key found for this signature in database
GPG key ID: DB12DB0FF05F8F38
5 changed files with 26 additions and 4 deletions

View file

@ -36,6 +36,7 @@ data KeyVariety
| SHA3Key HashSize HasExt
| SKEINKey HashSize HasExt
| Blake2bKey HashSize HasExt
| Blake2bpKey HashSize HasExt
| Blake2sKey HashSize HasExt
| Blake2spKey HashSize HasExt
| SHA1Key HasExt
@ -60,6 +61,7 @@ hasExt (SHA2Key _ (HasExt b)) = b
hasExt (SHA3Key _ (HasExt b)) = b
hasExt (SKEINKey _ (HasExt b)) = b
hasExt (Blake2bKey _ (HasExt b)) = b
hasExt (Blake2bpKey _ (HasExt b)) = b
hasExt (Blake2sKey _ (HasExt b)) = b
hasExt (Blake2spKey _ (HasExt b)) = b
hasExt (SHA1Key (HasExt b)) = b
@ -73,6 +75,7 @@ sameExceptExt (SHA2Key sz1 _) (SHA2Key sz2 _) = sz1 == sz2
sameExceptExt (SHA3Key sz1 _) (SHA3Key sz2 _) = sz1 == sz2
sameExceptExt (SKEINKey sz1 _) (SKEINKey sz2 _) = sz1 == sz2
sameExceptExt (Blake2bKey sz1 _) (Blake2bKey sz2 _) = sz1 == sz2
sameExceptExt (Blake2bpKey sz1 _) (Blake2bpKey sz2 _) = sz1 == sz2
sameExceptExt (Blake2sKey sz1 _) (Blake2sKey sz2 _) = sz1 == sz2
sameExceptExt (Blake2spKey sz1 _) (Blake2spKey sz2 _) = sz1 == sz2
sameExceptExt (SHA1Key _) (SHA1Key _) = True
@ -86,6 +89,7 @@ cryptographicallySecure (SHA2Key _ _) = True
cryptographicallySecure (SHA3Key _ _) = True
cryptographicallySecure (SKEINKey _ _) = True
cryptographicallySecure (Blake2bKey _ _) = True
cryptographicallySecure (Blake2bpKey _ _) = True
cryptographicallySecure (Blake2sKey _ _) = True
cryptographicallySecure (Blake2spKey _ _) = True
cryptographicallySecure _ = False
@ -99,6 +103,7 @@ isVerifiable (SHA2Key _ _) = True
isVerifiable (SHA3Key _ _) = True
isVerifiable (SKEINKey _ _) = True
isVerifiable (Blake2bKey _ _) = True
isVerifiable (Blake2bpKey _ _) = True
isVerifiable (Blake2sKey _ _) = True
isVerifiable (Blake2spKey _ _) = True
isVerifiable (SHA1Key _) = True
@ -113,6 +118,7 @@ formatKeyVariety v = case v of
SHA3Key sz e -> adde e (addsz sz "SHA3_")
SKEINKey sz e -> adde e (addsz sz "SKEIN")
Blake2bKey sz e -> adde e (addsz sz "BLAKE2B")
Blake2bpKey sz e -> adde e (addsz sz "BLAKE2BP")
Blake2sKey sz e -> adde e (addsz sz "BLAKE2S")
Blake2spKey sz e -> adde e (addsz sz "BLAKE2SP")
SHA1Key e -> adde e "SHA1"
@ -164,6 +170,8 @@ parseKeyVariety "BLAKE2B384" = Blake2bKey (HashSize 384) (HasExt False)
parseKeyVariety "BLAKE2B384E" = Blake2bKey (HashSize 384) (HasExt True)
parseKeyVariety "BLAKE2B512" = Blake2bKey (HashSize 512) (HasExt False)
parseKeyVariety "BLAKE2B512E" = Blake2bKey (HashSize 512) (HasExt True)
parseKeyVariety "BLAKE2BP512" = Blake2bpKey (HashSize 512) (HasExt False)
parseKeyVariety "BLAKE2BP512E" = Blake2bpKey (HashSize 512) (HasExt True)
parseKeyVariety "BLAKE2S160" = Blake2sKey (HashSize 160) (HasExt False)
parseKeyVariety "BLAKE2S160E" = Blake2sKey (HashSize 160) (HasExt True)
parseKeyVariety "BLAKE2S224" = Blake2sKey (HashSize 224) (HasExt False)