Bug #80744 [NEW]: password_verify fail to verify bcrypt hashes with cost below 4

From: divinity76 at gmail dot com Operating system: PHP version: 8.0.2 Package: *Encryption and hash functions Bug Type: Bug Bug description:password_verify fail to verify bcrypt hashes with cost below 4 Description: ------------ password_verify fail to verify bcrypt hashes with cost below 4 Test script: --------------- <?php var_dump(password_verify("",'$2a$03$AAAAAAAAAAAAAAAAAAAAA.TCFhOtNOtk2Oeef1z4xP561tW1AQOMW')); Expected result: ---------------- bool(true) Actual result: -------------- bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=80744&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80744&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80744&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80744&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80744&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80744&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80744&r=support Expected behavior: https://bugs.php.net/fix.php?id=80744&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80744&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80744&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80744&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80744&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80744&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80744&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80744&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80744&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80744&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80744&r=mysqlcfg