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Client-Side Field Level Encryption

KeyVault.getKeys()

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  • Compatibility
  • Syntax
  • Behavior
  • Example
KeyVault.getKeys()

getKeys() returns all data encryption keys stored in the key vault associated to the database connection.

Returns:Returns all data encryption keys associated to the key vault.

Returns nothing if the key vault is empty.

Compatibility

This command is available in deployments hosted in the following environments:

  • MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud

  • MongoDB Enterprise: The subscription-based, self-managed version of MongoDB

  • MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB

Syntax

getKeys() has the following syntax:

keyVault = db.getMongo().getKeyVault()
keyVault.getKeys()

Behavior

Requires Configuring Client-Side Field Level Encryption on Database Connection

The mongo client-side field level encryption methods require a database connection with client-side field level encryption enabled. If the current database connection was not initiated with client-side field level encryption enabled, either:

Example

The following example uses a locally managed KMS for the client-side field level encryption configuration.

Configuring client-side field level encryption for a locally managed key requires specifying a base64-encoded 96-byte string with no line breaks. The following operation generates a key that meets the stated requirements and loads it into the mongo shell:

TEST_LOCAL_KEY=$(echo "$(head -c 96 /dev/urandom | base64 | tr -d '\n')")
mongosh --nodb --shell --eval "var TEST_LOCAL_KEY='$TEST_LOCAL_KEY'"

Create the client-side field level encryption object using the generated local key string:

var ClientSideFieldLevelEncryptionOptions = {
  "keyVaultNamespace" : "encryption.__dataKeys",
  "kmsProviders" : {
    "local" : {
      "key" : BinData(0, TEST_LOCAL_KEY)
    }
  }
}

Use the Mongo() constructor to create a database connection with the client-side field level encryption options. Replace the mongodb://myMongo.example.net URI with the connection string URI of the target cluster.

encryptedClient = Mongo(
  "mongodb://myMongo.example.net:27017/?replSetName=myMongo",
  ClientSideFieldLevelEncryptionOptions
)

Retrieve the KeyVault object and use the KeyVault.getKeys() method to retrieve all data encryption keys in the key vault:

keyVault.getKeys()

getKeys() returns all data encryption keys in the key vault, with output similar to the following:

{
  "_id" : UUID("b4b41b33-5c97-412e-a02b-743498346079"),
  "keyMaterial" : BinData(0,"PXRsLOAYxhzTS/mFQAI8486da7BwZgqA91UI7NKz/T/AjB0uJZxTvhvmQQsKbCJYsWVS/cp5Rqy/FUX2zZwxJOJmI3rosPhzV0OI5y1cuXhAlLWlj03CnTcOSRzE/YIrsCjMB0/NyiZ7MRWUYzLAEQnE30d947XCiiHIb8a0kt2SD0so8vZvSuP2n0Vtz4NYqnzF0CkhZSWFa2e2yA=="),
  "creationDate" : ISODate("2021-03-15T12:21:13.123Z"),
  "updateDate" : ISODate("2021-03-15T12:21:13.123Z"),
  "status" : 0, "version" : NumberLong(0),
  "masterKey" : {
    "provider" : "local"
  },
  "keyAltNames" : [
     "alpha"
  ]
}
{
  "_id" : UUID("f1add015-c7ab-49a2-a071-50b0ca0a8fbc"),
  "keyMaterial" : BinData(0,"E+0jZKzA4YuE1lGmSVIy2mivqH4JxFo0yFATdxYX/s0YtMFsgVXyu7Bbn4IQ2gn7F/9JAPJFOxdQc5lN3AR+oX33ewVZsd63f3DN1zzcukqdR2Y+EeO7ekRxyRjdzMaNNrBNIv9Gn5LEJgWPSYkG8VczF7cNZnc1YmnR0tuDPNYfm0J7dCZuZUNWW3FCGRcdFx6AlXiCtXKNR97hJ216pQ=="),
  "creationDate" : ISODate("2021-03-16T18:22:43.733Z"),
  "updateDate" : ISODate("2021-03-16T18:22:43.733Z"),
  "status" : 0, "version" : NumberLong(0),
  "masterKey" : {
    "provider" : "local"
  },
  "keyAltNames" : [
     "baker"
  ]
}

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