feat: access raw verifier bytes

storacha · Oct 17, 2024 · e9b4aa0 · e9b4aa0
1 parent 2be8af8
commit e9b4aa0
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Showing 4 changed files with 17 additions and 0 deletions.
diff --git a/principal/ed25519/verifier/verifier.go b/principal/ed25519/verifier/verifier.go
@@ -79,3 +79,9 @@ func (v Ed25519Verifier) DID() did.DID {
 func (v Ed25519Verifier) Encode() []byte {
 	return v
 }
+
+func (s Ed25519Verifier) Raw() []byte {
+	k := make(ed25519.PublicKey, ed25519.PublicKeySize)
+	copy(k, s[publicTagSize:])
+	return k
+}
diff --git a/principal/lib.go b/principal/lib.go
@@ -22,4 +22,6 @@ type Verifier interface {
 	ucan.Verifier
 	Code() uint64
 	Encode() []byte
+	// Raw encodes the bytes of the public key without multiformats tags.
+	Raw() []byte
 }
diff --git a/principal/rsa/verifier/verifier.go b/principal/rsa/verifier/verifier.go
@@ -71,3 +71,8 @@ func (v rsaverifier) DID() did.DID {
 func (v rsaverifier) Encode() []byte {
 	return v.bytes
 }
+
+func (v rsaverifier) Raw() []byte {
+	b, _ := multiformat.UntagWith(Code, v.bytes, 0)
+	return b
+}
diff --git a/principal/verifier/verifier.go b/principal/verifier/verifier.go
@@ -36,6 +36,10 @@ func (w wrapvf) Encode() []byte {
 	return w.key.Encode()
 }
 
+func (w wrapvf) Raw() []byte {
+	return w.key.Raw()
+}
+
 func (w wrapvf) Verify(msg []byte, sig signature.Signature) bool {
 	return w.key.Verify(msg, sig)
 }