WIP

Author: Sajjon

Sources/K1/K1/ECDSA/ECDSASignatureNonRecoverable.swift

@@ -12,6 +12,11 @@ public struct ECDSASignatureNonRecoverable: Sendable, Hashable, ECSignature {
 
     internal let _rawRepresentation: Data
 
+    /// Accepts `R||S` format
+    public init(p1364: Data) throws {
+        try self.init(rawRepresentation: swapSignatureByteOrder(p1364))
+    }
+    
     public init<D: DataProtocol>(rawRepresentation: D) throws {
         guard
             rawRepresentation.count == Self.byteCount

Tests/K1Tests/TestCases/ECDSA/ECDSAWycheproofIEEEP1364RSEncodedSignaturesTests.swift

@@ -48,7 +48,10 @@ private struct SignatureWycheproofP1364TestVector: WycheproofTestVector {
             struct TooFewBytes: Swift.Error {}
             throw TooFewBytes()
         }
-        let signature = try Signature(rawRepresentation: swapSignatureByteOrder(raw))
+        let signature = try Signature(p1364: raw)
+        if self.result == "valid" {
+            try XCTAssertEqual(sig, signature.compactRepresentation().hex)
+        }
         return signature
     }