taler-typescript-core

commit a3313ce3f89208399b9c776ffdeac6bf8a889e34
parent e319e99ef9657f68c82e7b37dd928c126d865ecb
Author: Florian Dold <florian@dold.me>
Date:   Thu,  7 Jan 2021 15:05:36 +0100

nacl: apply fix for overflow

See https://github.com/dchest/tweetnacl-js/issues/187

Diffstat:
M
packages/taler-wallet-core/src/crypto/primitives/nacl-fast.ts
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/packages/taler-wallet-core/src/crypto/primitives/nacl-fast.ts b/packages/taler-wallet-core/src/crypto/primitives/nacl-fast.ts
@@ -1548,7 +1548,7 @@ function modL(r: Uint8Array, x: Float64Array): void {
     carry = 0;
     for (j = i - 32, k = i - 12; j < k; ++j) {
       x[j] += carry - 16 * x[i] * L[j - (i - 32)];
-      carry = (x[j] + 128) >> 8;
+      carry = Math.floor((x[j] + 128) / 256);
       x[j] -= carry * 256;
     }
     x[j] += carry;