diff options
| -rw-r--r-- | crypto/src/math/ec/ECCurve.cs | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/crypto/src/math/ec/ECCurve.cs b/crypto/src/math/ec/ECCurve.cs index 905ddb247..d17c6b1c1 100644 --- a/crypto/src/math/ec/ECCurve.cs +++ b/crypto/src/math/ec/ECCurve.cs @@ -510,17 +510,17 @@ namespace Org.BouncyCastle.Math.EC } #if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER - public virtual ECPoint DecodePoint(ReadOnlySpan<byte> encodedX) + public virtual ECPoint DecodePoint(ReadOnlySpan<byte> encoded) { ECPoint p; int expectedLength = (FieldSize + 7) / 8; - byte type = encodedX[0]; + byte type = encoded[0]; switch (type) { case 0x00: // infinity { - if (encodedX.Length != 1) + if (encoded.Length != 1) throw new ArgumentException("Incorrect length for infinity encoding", "encoded"); p = Infinity; @@ -530,11 +530,11 @@ namespace Org.BouncyCastle.Math.EC case 0x02: // compressed case 0x03: // compressed { - if (encodedX.Length != (expectedLength + 1)) + if (encoded.Length != (expectedLength + 1)) throw new ArgumentException("Incorrect length for compressed encoding", "encoded"); int yTilde = type & 1; - BigInteger X = new BigInteger(1, encodedX[1..]); + BigInteger X = new BigInteger(1, encoded[1..]); p = DecompressPoint(yTilde, X); if (!p.ImplIsValid(true, true)) @@ -545,11 +545,11 @@ namespace Org.BouncyCastle.Math.EC case 0x04: // uncompressed { - if (encodedX.Length != (2 * expectedLength + 1)) + if (encoded.Length != (2 * expectedLength + 1)) throw new ArgumentException("Incorrect length for uncompressed encoding", "encoded"); - BigInteger X = new BigInteger(1, encodedX[1..(1 + expectedLength)]); - BigInteger Y = new BigInteger(1, encodedX[(1 + expectedLength)..]); + BigInteger X = new BigInteger(1, encoded[1..(1 + expectedLength)]); + BigInteger Y = new BigInteger(1, encoded[(1 + expectedLength)..]); p = ValidatePoint(X, Y); break; @@ -558,11 +558,11 @@ namespace Org.BouncyCastle.Math.EC case 0x06: // hybrid case 0x07: // hybrid { - if (encodedX.Length != (2 * expectedLength + 1)) + if (encoded.Length != (2 * expectedLength + 1)) throw new ArgumentException("Incorrect length for hybrid encoding", "encoded"); - BigInteger X = new BigInteger(1, encodedX[1..(1 + expectedLength)]); - BigInteger Y = new BigInteger(1, encodedX[(1 + expectedLength)..]); + BigInteger X = new BigInteger(1, encoded[1..(1 + expectedLength)]); + BigInteger Y = new BigInteger(1, encoded[(1 + expectedLength)..]); if (Y.TestBit(0) != (type == 0x07)) throw new ArgumentException("Inconsistent Y coordinate in hybrid encoding", "encoded"); |