Update Wycheproof ecdh_secp256r1_test.json to v1 (#160)

Tests/CryptoTests/ECDH/BoringSSL/ASN1.swift

@@ -293,7 +293,11 @@ extension ArraySlice where Element == UInt8 {
         self = self[self.index(after: subidentifierEndIndex)...]
 
         // We need to compact the bits. These are 7-bit integers, which is really awkward.
-        return UInt(sevenBitBigEndianBytes: oidSlice)
+        guard let int = UInt(sevenBitBigEndianBytes: oidSlice) else {
+            // too big to parse, happens for Wycheproof vectors with comment "large integer in oid"
+            throw ECDHTestErrors.ParseSPKIFailure
+        }
+        return int
     }
 }
 
@@ -313,10 +317,13 @@ extension UInt {
         }
     }
 
-    init<Bytes: Collection>(sevenBitBigEndianBytes bytes: Bytes) where Bytes.Element == UInt8 {
+    init?<Bytes: Collection>(sevenBitBigEndianBytes bytes: Bytes) where Bytes.Element == UInt8 {
         // We need to know how many bytes we _need_ to store this "int".
         guard ((bytes.count * 7) + 7) / 8 <= MemoryLayout<UInt>.size else {
-            fatalError("Too big to parse")
+            // Too big to parse, this happens for e.g. Wycheproof in testvector 'ecdh_secp256r1_test' for
+            // tests with comment "large integer in oid", thus we let this
+            // initializer be failable.
+            return nil
         }
 
         self = 0