Even when I start a new project from XCode 8 & macOS 10.12 and try to test it on the device, I get this codesigning error :
"error: A cryptographic verification failure has occurred."
I tried removing my developer account from XCode, and even revoked all my certificates and provisionning profiles on the Member Center, but I still get this error.
Am I the only one ?
Have the same issue. I'm using CocoaPods in my project and Xcode failed to build it. I tried to build app manualy through console and xcodebuild gave me the same error without any additional information.
Beat me to it. Same issue on Sierra, im pretty sure at this point that the codesign shipped with Sierra is broken
Same thing happens when using XCode 7.3.1 on Sierra.
I have this problem as well, 10.12 Beta (16A201w), Xcode 8.0 beta (8S128d)
I have the same problem as well on Sierra but am able to sign and deploy to the same device using Xcode 8 on El Capitan.
Same problem for me, but it appears to be random. Sometimes, i will reboot my mac, and it'll work a few times, but will then randomly stop working. Also, it may work on some projects, and not on others.
I haven't been able to sign a bundle successfully since installing Xcode 8 and Sierra. The only way anything builds successfully for me is it it's unsigned, and that's not much use.
I got a reply on my SO post that fixed this for me http://stackoverflow.com/questions/37801465/codesign-failed-on-10-12-sierra/38071473#38071473
"Launch "Keychain Access", go to "Preferences..." and click "Reset My Default Keychain"
This worked for me
