diff options
Diffstat (limited to 'crypto/src/bcpg/MPInteger.cs')
-rw-r--r-- | crypto/src/bcpg/MPInteger.cs | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/crypto/src/bcpg/MPInteger.cs b/crypto/src/bcpg/MPInteger.cs index 2f564b00c..eb59be6e5 100644 --- a/crypto/src/bcpg/MPInteger.cs +++ b/crypto/src/bcpg/MPInteger.cs @@ -20,16 +20,13 @@ namespace Org.BouncyCastle.Bcpg int lengthInBytes = (lengthInBits + 7) / 8; #if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER - if (lengthInBytes <= 512) - { - Span<byte> span = stackalloc byte[lengthInBytes]; - bcpgIn.ReadFully(span); - m_val = new BigInteger(1, span); - return; - } + Span<byte> bytes = lengthInBytes <= 512 + ? stackalloc byte[lengthInBytes] + : new byte[lengthInBytes]; +#else + byte[] bytes = new byte[lengthInBytes]; #endif - byte[] bytes = new byte[lengthInBytes]; bcpgIn.ReadFully(bytes); m_val = new BigInteger(1, bytes); } @@ -55,12 +52,15 @@ namespace Org.BouncyCastle.Bcpg internal static BigInteger ToMpiBigInteger(ECPoint point) { #if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER - Span<byte> encoding = stackalloc byte[point.GetEncodedLength(false)]; + int encodedLength = point.GetEncodedLength(false); + Span<byte> encoding = encodedLength <= 512 + ? stackalloc byte[encodedLength] + : new byte[encodedLength]; point.EncodeTo(false, encoding); - return new BigInteger(1, encoding); #else - return new BigInteger(1, point.GetEncoded(false)); + byte[] encoding = point.GetEncoded(false); #endif + return new BigInteger(1, encoding); } } } |