The access control policy for secrets is distinct from the access control policy for keys in the same Key Vault. Secret access controlĪccess Control for secrets managed in Key Vault, is provided at the level of the Key Vault that contains those secrets. Retrieving ( getting) an expired secret, can be used for recovery operations. ![]() Calling a secret's get operation, for a not-yet-valid secret, can be used for test purposes. Its value must be a number containing an IntDate value.įor information on common attributes for each key vault object type, see Azure Key Vault keys, secrets and certificates overview Date-time controlled operationsĪ secret's get operation will work for not-yet-valid and expired secrets, outside the nbf / exp window. This value is null for secrets that were last updated prior to the addition of this attribute. The updated attribute indicates when this version of the secret was updated. Its value must be a number containing an IntDate value. This value is null for secrets created prior to the addition of this attribute. The created attribute indicates when this version of the secret was created. There are more read-only attributes that are included in any response that includes secret attributes: Operations outside the nbf and exp window are automatically disallowed, except in particular situations. The enabled attribute is used with nbf and exp when an operation occurs between nbf and exp, it will only be permitted if enabled is set to true. This attribute specifies whether the secret data can be retrieved. enabled: boolean, optional, default is true.Its value MUST be a number containing an IntDate value. This field is for informational purposes only. The nbf (not before) attribute identifies the time before which the secret data SHOULD NOT be retrieved, except in particular situations. nbf: IntDate, optional, default is now.This field is for informational purposes only as it informs users of key vault service that a particular secret may not be used. The exp (expiration time) attribute identifies the expiration time on or after which the secret data SHOULD NOT be retrieved, except in particular situations. exp: IntDate, optional, default is forever.In addition to the secret data, the following attributes may be specified: Other regions: root key is protected by a module that is validated for FIPS 140-2 Level 2 or higher.China: root key is protected by a module that is validated for FIPS 140-2 Level 1.The encryption root key of the key hierarchy is unique to the security world, and its protection level varies between regions: ![]() The encryption leaf key of the key hierarchy is unique to each key vault. The Azure Key Vault service encrypts your secrets when you add them, and decrypts them automatically when you read them. ![]() This encryption is transparent, and requires no action from the user. Key Vault encrypts secrets at rest with a hierarchy of encryption keys, with all keys in that hierarchy are protected by modules that are FIPS 140-2 compliant. EncryptionĪll secrets in your Key Vault are stored encrypted. For instance, an implementation may store both passwords and certificates as secrets, then use this field to differentiate. The suggested usage is as a hint for interpreting the secret data. The maximum length of this field is 255 characters. Clients may specify the content type of a secret to help interpreting the secret data when it's retrieved. Key Vault also supports a contentType field for secrets. Encrypting data using a separate protection key prior to storage in Key Vault is one example. ![]() The identifier can be used to retrieve the secret at a later time.įor highly sensitive data, clients should consider extra layers of protection for data. It merely accepts the data, encrypts it, stores it, and returns a secret identifier ( id). The Key Vault service doesn't provide semantics for secrets. Internally, Key Vault stores and manages secrets as sequences of octets (8-bit bytes), with a maximum size of 25k bytes each. Key Vault provides secure storage of generic secrets, such as passwords and database connection strings.įrom a developer's perspective, Key Vault APIs accept and return secret values as strings.
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