Tag Archive: Verify


How to Verify Time Machine Backups

Some Mac users may wish to verify the integrity of their Time Machine backups before using a snapshot or backup to restore a Mac using Time Machine. This verification offers a simple way to know if the Time Machine backup data has been modified or corrupted, and can be a helpful troubleshooting trick for some … Read More

How to Show & Verify Code Signatures for Apps in Mac OS X

Code signed applications allow security conscious users to verify the creator and hash of a particular app to help confirm it has not been corrupted or tampered with. This is rarely necessary for average Mac users, particularly those who obtain their software from the Mac App Store or other trusted sources since the apps are … Read More

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How to Show & Verify Code Signatures for Apps in Mac OS X

Code signed applications allow security conscious users to verify the creator and hash of a particular app to help confirm it has not been corrupted or tampered with. This is rarely necessary for average Mac users, particularly those who obtain their software from the Mac App Store or other trusted sources since the apps are … Read More

Fix a “Safari Can’t Verify the Identity of the Website…” Error Message

While Safari usually works just fine for browsing the web, there are times you may encounter a persistent error message about verifying the identity of a particular website. The precise error message may read something like this, and appear on almost any site, where “URL” is a variety of domains: “Safari can’t verify the identity … Read More

How to Verify (& Repair) a Disk from the Command Line of Mac OS X

The Disk Utility app bundled with Mac OS X has a command line equivalent which offers advanced users the ability to perform disk maintenance from the terminal, including disk verification and repairs. This allows for a variety of helpful troubleshooting abilities, including the possibility to remotely issue disk repairs though SSH, or through Single User … Read More

Fixing the “Unable to Verify Update” Error in iOS

Unable to Verify Update error message on iPhone

It seems that an “Unable to Verify Update” error message arrives at random for some users with just about every single iOS software update, perhaps unsurprisingly, the problem has resurfaced for some when trying to download and install the recent 7.0.4 update. The error seems to be exclusive to using OTA (Over-The-Air) updates, and sometimes it reports an improper iOS version as being available, or  [Read More…]

Fixing the “Unable to Verify Update” Error in iOS

Unable to Verify Update error message on iPhone

It seems that an “Unable to Verify Update” error message arrives at random for some users with just about every single iOS software update, perhaps unsurprisingly, the problem has resurfaced for some when trying to download and install the recent 7.0.4 update. The error seems to be exclusive to using OTA (Over-The-Air) updates, and sometimes it reports an improper iOS version as being available, or  [Read More…]

Startup Aims To Make Advanced Security Seamless By Using Your Location To Verify Youre You

Toopher aims to use your location as a second way to verify you’re you that goes beyond a username and password.

When Dropbox acknowledged its recent data breach last week, the company noted that it will be adding a range of security solutions in an effort prevent such a breach from occurring again. One of the technologies that Dropbox plans to implement is two factor authentication, which requires another identifying item beyond  [Read More…]

Stop iOS Asking to Verify iCloud Password

Verify iCloud Password message on iPhone

Many iPad, iPhone, and iPod touch users are annoyed with a constant message asking to �Verify iCloud Password: iCloud Backup requires that you verify your password.�, the popup dialog shows up randomly but most often when unlocking a device after periods of inactivity. Clicking OK and entering the password makes it go away for the time being, but it generally comes right back after another period  [Read More…]

Verify SHA1 Hash with openssl

An alternative to checking a SHA1 hash with shasum is to use openssl. Yes, the same openssl utility used to encrypt files can be used to verify the validity of files.

The syntax is quite similar to the shasum command, but you do need to specify �sha1? as the specific algorithm:

openssl sha1 /path/to/filename

To verify a file on the desktop, the command would look like this:

openssl sha1 ~/Desktop/DownloadedFile.dmg

The output isn�t quite as nice as shasum, but it  [Read More…]