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Signature verification object
The response will include a verification object that describes the result of verifying the commit's signature. The following fields are included in the verification object:
| Name | Type | Description |
|---|---|---|
verified |
boolean |
Indicates whether GitHub considers the signature in this commit to be verified. |
reason |
string |
The reason for verified value. Possible values and their meanings are enumerated in table below. |
signature |
string |
The signature that was extracted from the commit. |
payload |
string |
The value that was signed. |
These are the possible values for reason in the verification object:
| Value | Description |
|---|---|
expired_key |
The key that made the signature is expired. |
not_signing_key |
The "signing" flag is not among the usage flags in the GPG key that made the signature. |
gpgverify_error |
There was an error communicating with the signature verification service. |
gpgverify_unavailable |
The signature verification service is currently unavailable. |
unsigned |
The object does not include a signature. |
unknown_signature_type |
A non-PGP signature was found in the commit. |
no_user |
No user was associated with the committer email address in the commit. |
unverified_email |
The committer email address in the commit was associated with a user, but the email address is not verified on her/his account. |
bad_email |
The committer email address in the commit is not included in the identities of the PGP key that made the signature. |
unknown_key |
The key that made the signature has not been registered with any user's account. |
malformed_signature |
There was an error parsing the signature. |
invalid |
The signature could not be cryptographically verified using the key whose key-id was found in the signature. |
valid |
None of the above errors applied, so the signature is considered to be verified. |
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