chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java - Issue 2873943005: Add additional checks for comment signed WebAPKs.

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Unified Diff: chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java

Issue 2873943005: Add additional checks for comment signed WebAPKs. (Closed)

Patch Set: Fix incorrect conditional. Add more apk test files. Created 3 years, 7 months ago

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Index: chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java

diff --git a/chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java b/chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java

index 6b8987c1a6d35d080c0ea4adef2276362b4a211e..0ffbf597c6b339f8ca6a85650657101b04585cff 100644

--- a/chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java

+++ b/chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/WebApkVerifySignature.java

@@ -379,7 +379,7 @@ public class WebApkVerifySignature {

if (V2_SIGNING_MAGIC.equals(magic)) {

// Only if we have a v2 signature do we allow medium sized gap between the last

// block and the start of the central directory.

- if (positionOfLastByteOfLastBlock + MAX_V2_SIGNING_BLOCK_SIZE > mCentralDirOffset) {

+ if (mCentralDirOffset - positionOfLastByteOfLastBlock > MAX_V2_SIGNING_BLOCK_SIZE) {

return ERROR_BAD_V2_BLOCK;

}

} else {