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[Bug 3130] New: [PATCH] Readable return codes for pkcs11 identities
https://bugzilla.mindrot.org/show_bug.cgi?id=3130

Bug ID: 3130
Summary: [PATCH] Readable return codes for pkcs11 identities
Product: Portable OpenSSH
Version: 8.2p1
Hardware: Other
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: ssh
Assignee: unassigned-bugs@mindrot.org
Reporter: mindrot@hoffman-andrews.com

Created attachment 3360
--> https://bugzilla.mindrot.org/attachment.cgi?id=3360&action=edit
Patch to provide readable return codes for pkcs11 identities

Right now, if I typo my PIN for a PKCS#11 token, I get the inscrutable
message:

$ ssh -I /path/to/module user@example.com
Enter PIN for 'SSH key':
C_Login failed: 160

I'd prefer to receive a more useful message:

Login to PKCS#11 token failed: Incorrect PIN

I've attached a patch that adds specific handling for three common
error cases: Incorrect PIN, PIN too long or too short, and PIN locked.
I've also tweaked the fallback error case to indicate that it is a
PKCS#11-specific error. Hope this is useful!

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