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Updated on 2026-08-14

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Tangem 2019-02-04 12:26:56 +03:00
parent 83aaebb422
commit a7e2964c53
10 changed files with 117 additions and 242 deletions
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2
app/src/main/java/com/tangem/util/CryptoUtil.java
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@ -155,7 +155,7 @@ public class CryptoUtil {
// See Bitcoin Core's IsCanonicalSignature, https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
// A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
// Where R and S are not negative (their first byte has its highest bit not set), and not
// excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
// excessively padded (do not init with a 0 byte, unless an otherwise negative number follows,
// in which case a single 0 byte is necessary and even required).
if (signature.length < 9 || signature.length > 73)
return false;