diff options
author | Rasmus Dahlberg <rasmus.dahlberg@kau.se> | 2021-06-06 15:59:35 +0200 |
---|---|---|
committer | Rasmus Dahlberg <rasmus.dahlberg@kau.se> | 2021-06-06 15:59:35 +0200 |
commit | 47bacfd5c5d22470340e0823c4ad37b45914b68e (patch) | |
tree | 0984b55ced1e537e8d1d681c77157f1a47e47cdc /pkg/types/util.go | |
parent | 0285454c34b0b3003bc8ede3e304b843ad949be8 (diff) |
started using the refactored packages in siglog server
Diffstat (limited to 'pkg/types/util.go')
-rw-r--r-- | pkg/types/util.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/pkg/types/util.go b/pkg/types/util.go new file mode 100644 index 0000000..3cd7dfa --- /dev/null +++ b/pkg/types/util.go @@ -0,0 +1,21 @@ +package types + +import ( + "crypto/sha256" +) + +const ( + LeafHashPrefix = 0x00 +) + +func Hash(buf []byte) *[HashSize]byte { + var ret [HashSize]byte + hash := sha256.New() + hash.Write(buf) + copy(ret[:], hash.Sum(nil)) + return &ret +} + +func HashLeaf(buf []byte) *[HashSize]byte { + return Hash(append([]byte{LeafHashPrefix}, buf...)) +} |