# Encryption for OpenVMS Installation and Reference Manual

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# B.2 BACKUP Utility Messages

The BACKUP /ENCRYPT command can produce the following messages.

> BACNOTENC, backup set is not encrypted. Ignoring /ENCRYPT qualifier,

Explanation: The save set is not encrypted.
User Action: None. The save set is restored without decryption.

> DECRYPERR, error encountered in encryption facility while decrypting a backup record,

Explanation: An error has occurred decrypting save-set data. The accompanying message gives additional information about the error.
User Action: Depends on the specific error.

> ENCALGNOT, specified encryption algorithm is not supported in this copy of BACKUP,

Explanation: You specified an unsupported encryption algorithm to the algorithm keyword.
User Action: Re-enter the command, using a supported encryption algorithm.

> ENCBSRNOT, internal error. BACKUP Summary, Record required for decryption not found,

Explanation: The BACKUP Summary Record that contains the data key under which the save set is encrypted was not found at the start of the save set. It is possible that the save set was not encrypted.
User Action: None. The save set is probably corrupted and cannot be restored. If the save set was in fact not encrypted, it can be recovered by omitting the /ENCRYPT qualifier.

> ENCFINERR, error encountered closing an encryption stream,

Explanation: An error has occurred cleaning up the encryption context. The accompanying message gives additional information about the error.
User Action: Depends on the specific error.

> ENCINIERR, an error was encountered initializing an encryption stream,

Explanation: An error has occurred initializing the encryption operation. The accompanying message gives additional information about the error.
User Action: Depends on the specific error.

> ENCKEYMAT, the supplied decryption key does not yield a readable save set,

Explanation: The checksum on the decrypted data key and initialization vector does not match the checksum that was stored previously. This usually means that an incorrect key name or value has been specified.
User Action: Determine the correct key to decrypt the save set.

> ENCNOTSUP, encryption of save sets is not supported in this copy of BACKUP,

Explanation: This version of BACKUP does not support encryption.
User Action: Use another version of BACKUP that supports encryption.

> ENCQUAIGN, encryption not supported for this copy operation. Ignoring /ENCRYPT qualifier,

Explanation: BACKUP supports encryption only in save sets, not in file-to-file or volume-to-volume copy operations.
User Action: Re-enter the command, either omitting the /ENCRYPT qualifier or using a save set, as your needs determine.

> ENCRYPERR, error encountered in encryption facility while encrypting a backup record,

Explanation: An error has occurred encrypting save-set data. The accompanying message gives additional information about the error.
User Action: Depends on the specific error.

> ENCSAVSET, save set is encrypted. /ENCRYPT must be specified,

Explanation: The save set is encrypted and, therefore, cannot be read.
User Action: Decrypt the save set. Specify the correct key with the /ENCRYPT qualifier.

> KEYLENERR, entered key value is too long,

Explanation: The key specified is too long for the encryption algorithm.
User Action: Re-enter the command using a shorter key.

> KEYNOTVER, key value not entered identically as verification,

Explanation: The key values entered to the key and verification prompts are different.
User Action: Re-enter the keys, taking care to type the same value both times.

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