Start of change

CSV050I Signature verification failed for module mmmmmmmm in dataset d. {Not signed | Reason: r}

Explanation

Validated Boot for z/OS "enforce" mode is in effect. A module to be verified did not pass verification. This message is followed by a wait state EC9 with a reason corresponding to the reason in the message. In some cases, wait state EC9 can occur without being preceded by this message.

In the message text:
mmmmmmmm
The name of the load module.
d
The name of the data set (with trailing blanks removed).
r
One of the following decimal reason codes:
02
Directory entry not found.
03
Directory entry does not match.
04
Signature not found.
05
Signature record does not indicate a valid hash algorithm.
06
Signature record does not indicate a valid signature algorithm.
07
Hash value in the signature record does not match the calculated hash value.
08
The key ID in the signature record is not matched by any verification key available to this LPAR.
09
The signature verification operation (KDSA instruction) did not complete successfully.
10
This is an overlay module. Signature support is not provided.
11
The version of the signature record is not valid.

System action

The system enters wait state EC9.

System programmer response

Correct the issue.

Source

Contents supervision (CSV)

Routing code

Not applicable.

Descriptor code

12

End of change