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Fix signature format detection (#6)

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64 bytes means compact, less is invalid, other try DER and let the library handle the actual check.
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Fabrice Drouin 2020-07-09 15:59:07 +02:00 committed by GitHub
parent 6c850eb2c4
commit 5af1807f38
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 12 deletions
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15
jni/c/src/fr_acinq_secp256k1_Secp256k1CFunctions.c
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@ -186,18 +186,9 @@ JNIEXPORT jbyteArray JNICALL Java_fr_acinq_secp256k1_Secp256k1CFunctions_secp256
int GetSignatureFormat(size_t size) int GetSignatureFormat(size_t size)
{ {
switch(size) { if (size == 64) return SIG_FORMAT_COMPACT;
case 64: if (size < 64) return SIG_FORMAT_UNKNOWN;
return SIG_FORMAT_COMPACT; return SIG_FORMAT_DER;
break;
case 70:
case 71:
case 72:
case 73:
return SIG_FORMAT_DER;
break;
default: return SIG_FORMAT_UNKNOWN;
}
} }
/* /*