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Fix #292 by &'ing sigHashType to treat it as unsigned.

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This commit is contained in:
Matt Corallo 2013-01-27 02:09:17 -05:00
parent 3211fe59f3
commit 38d01e14a6
1 changed files with 2 additions and 2 deletions
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4
core/src/main/java/com/google/bitcoin/core/Transaction.java
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@ -869,8 +869,8 @@ public class Transaction extends ChildMessage implements Serializable {
ByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(length == UNKNOWN_LENGTH ? 256 : length + 4);
bitcoinSerialize(bos);
// We also have to write a hash type.
uint32ToByteStreamLE(sigHashType, bos);
// We also have to write a hash type (sigHashType is actually an unsigned char)
uint32ToByteStreamLE(0x000000ff & sigHashType, bos);
// Note that this is NOT reversed to ensure it will be signed correctly. If it were to be printed out
// however then we would expect that it is IS reversed.
Sha256Hash hash = new Sha256Hash(doubleDigest(bos.toByteArray()));