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authorRasmus Dahlberg <rasmus@mullvad.net>2022-04-13 16:31:23 +0200
committerRasmus Dahlberg <rasmus@mullvad.net>2022-04-13 16:31:23 +0200
commit10317e6bcbd391c80c573816d5d16c989f75a899 (patch)
tree18df9b775592ba15c7acd86805afb91a8fe57a6b /internal
parent8fee6561fbc21bd44f67dff9f365aa14da293d99 (diff)
add hash file
Diffstat (limited to 'internal')
-rw-r--r--internal/util/crypto.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/internal/util/crypto.go b/internal/util/crypto.go
index 2a29628..a8c8fac 100644
--- a/internal/util/crypto.go
+++ b/internal/util/crypto.go
@@ -4,8 +4,10 @@ import (
"crypto"
"crypto/ed25519"
"fmt"
+ "io/ioutil"
"git.sigsum.org/sigsum-go/pkg/hex"
+ "git.sigsum.org/sigsum-go/pkg/types"
)
func SignerFromHex(s string) (crypto.Signer, error) {
@@ -18,3 +20,11 @@ func SignerFromHex(s string) (crypto.Signer, error) {
}
return ed25519.PrivateKey(b), nil
}
+
+func FileHash(path string) (*types.Hash, error) {
+ b, err := ioutil.ReadFile(path)
+ if err != nil {
+ return nil, fmt.Errorf("util: read file %s: %v", path, err)
+ }
+ return types.HashFn(b), nil
+}