AWS CLI Command Reference

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[ aws . kms ]

list-grants

Description

Gets a list of all grants for the specified KMS key.

You must specify the KMS key in all requests. You can filter the grant list by grant ID or grantee principal.

For detailed information about grants, including grant terminology, see Grants in KMS in the * Key Management Service Developer Guide * . For examples of working with grants in several programming languages, see Programming grants .

Note

The GranteePrincipal field in the ListGrants response usually contains the user or role designated as the grantee principal in the grant. However, when the grantee principal in the grant is an Amazon Web Services service, the GranteePrincipal field contains the service principal , which might represent several different grantee principals.

Cross-account use : Yes. To perform this operation on a KMS key in a different Amazon Web Services account, specify the key ARN in the value of the KeyId parameter.

Required permissions : kms:ListGrants (key policy)

Related operations:

  • CreateGrant
  • ListRetirableGrants
  • RetireGrant
  • RevokeGrant
Eventual consistency : The KMS API follows an eventual consistency model. For more information, see KMS eventual consistency .

See also: AWS API Documentation

list-grants is a paginated operation. Multiple API calls may be issued in order to retrieve the entire data set of results. You can disable pagination by providing the --no-paginate argument. When using --output text and the --query argument on a paginated response, the --query argument must extract data from the results of the following query expressions: Grants

Synopsis

  list-grants
--key-id <value>
[--grant-id <value>]
[--grantee-principal <value>]
[--cli-input-json <value>]
[--starting-token <value>]
[--page-size <value>]
[--max-items <value>]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]

Options

--key-id (string)

Returns only grants for the specified KMS key. This parameter is required.

Specify the key ID or key ARN of the KMS key. To specify a KMS key in a different Amazon Web Services account, you must use the key ARN.

For example:

  • Key ID: 1234abcd-12ab-34cd-56ef-1234567890ab
  • Key ARN: arn:aws:kms:us-east-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab

To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey .

--grant-id (string)

Returns only the grant with the specified grant ID. The grant ID uniquely identifies the grant.

--grantee-principal (string)

Returns only grants where the specified principal is the grantee principal for the grant.

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--starting-token (string)

A token to specify where to start paginating. This is the NextToken from a previously truncated response.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--page-size (integer)

The size of each page to get in the AWS service call. This does not affect the number of items returned in the command's output. Setting a smaller page size results in more calls to the AWS service, retrieving fewer items in each call. This can help prevent the AWS service calls from timing out.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--max-items (integer)

The total number of items to return in the command's output. If the total number of items available is more than the value specified, a NextToken is provided in the command's output. To resume pagination, provide the NextToken value in the starting-token argument of a subsequent command. Do not use the NextToken response element directly outside of the AWS CLI.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

Global Options

--debug (boolean)

Turn on debug logging.

--endpoint-url (string)

Override command's default URL with the given URL.

--no-verify-ssl (boolean)

By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.

--no-paginate (boolean)

Disable automatic pagination. If automatic pagination is disabled, the AWS CLI will only make one call, for the first page of results.

--output (string)

The formatting style for command output.

  • json
  • text
  • table

--query (string)

A JMESPath query to use in filtering the response data.

--profile (string)

Use a specific profile from your credential file.

--region (string)

The region to use. Overrides config/env settings.

--version (string)

Display the version of this tool.

--color (string)

Turn on/off color output.

  • on
  • off
  • auto

--no-sign-request (boolean)

Do not sign requests. Credentials will not be loaded if this argument is provided.

--ca-bundle (string)

The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.

--cli-read-timeout (int)

The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.

--cli-connect-timeout (int)

The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.

Examples

Note

To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information.

Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal's quoting rules. See Using quotation marks with strings in the AWS CLI User Guide .

To view the grants on an AWS KMS key

The following list-grants example displays all of the grants on the specified AWS managed KMS key for Amazon DynamoDB in your account. This grant allows DynamoDB to use the KMS key on your behalf to encrypt a DynamoDB table before writing it to disk. You can use a command like this one to view the grants on the AWS managed KMS keys and customer managed KMS keys in the AWS account and Region.

This command uses the key-id parameter with a key ID to identify the KMS key. You can use a key ID or key ARN to identify the KMS key. To get the key ID or key ARN of an AWS managed KMS key, use the list-keys or list-aliases command.

aws kms list-grants \
    --key-id 1234abcd-12ab-34cd-56ef-1234567890ab

The output shows that the grant gives Amazon DynamoDB permission to use the KMS key for cryptographic operations, and gives it permission to view details about the KMS key (DescribeKey) and to retire grants (RetireGrant). The EncryptionContextSubset constraint limits these permission to requests that include the specified encryption context pairs. As a result, the permissions in the grant are effective only on specified account and DynamoDB table.

{
    "Grants": [
        {
            "Constraints": {
                "EncryptionContextSubset": {
                    "aws:dynamodb:subscriberId": "123456789012",
                    "aws:dynamodb:tableName": "Services"
                }
            },
            "IssuingAccount": "arn:aws:iam::123456789012:root",
            "Name": "8276b9a6-6cf0-46f1-b2f0-7993a7f8c89a",
            "Operations": [
                "Decrypt",
                "Encrypt",
                "GenerateDataKey",
                "ReEncryptFrom",
                "ReEncryptTo",
                "RetireGrant",
                "DescribeKey"
            ],
            "GrantId": "1667b97d27cf748cf05b487217dd4179526c949d14fb3903858e25193253fe59",
            "KeyId": "arn:aws:kms:us-west-2:123456789012:key/1234abcd-12ab-34cd-56ef-1234567890ab",
            "RetiringPrincipal": "dynamodb.us-west-2.amazonaws.com",
            "GranteePrincipal": "dynamodb.us-west-2.amazonaws.com",
            "CreationDate": "2021-05-13T18:32:45.144000+00:00"
        }
    ]
}

For more information, see Grants in AWS KMS in the AWS Key Management Service Developer Guide.

Output

Grants -> (list)

A list of grants.

(structure)

Contains information about a grant.

KeyId -> (string)

The unique identifier for the KMS key to which the grant applies.

GrantId -> (string)

The unique identifier for the grant.

Name -> (string)

The friendly name that identifies the grant. If a name was provided in the CreateGrant request, that name is returned. Otherwise this value is null.

CreationDate -> (timestamp)

The date and time when the grant was created.

GranteePrincipal -> (string)

The identity that gets the permissions in the grant.

The GranteePrincipal field in the ListGrants response usually contains the user or role designated as the grantee principal in the grant. However, when the grantee principal in the grant is an Amazon Web Services service, the GranteePrincipal field contains the service principal , which might represent several different grantee principals.

RetiringPrincipal -> (string)

The principal that can retire the grant.

IssuingAccount -> (string)

The Amazon Web Services account under which the grant was issued.

Operations -> (list)

The list of operations permitted by the grant.

(string)

Constraints -> (structure)

A list of key-value pairs that must be present in the encryption context of certain subsequent operations that the grant allows.

EncryptionContextSubset -> (map)

A list of key-value pairs that must be included in the encryption context of the cryptographic operation request. The grant allows the cryptographic operation only when the encryption context in the request includes the key-value pairs specified in this constraint, although it can include additional key-value pairs.

key -> (string)

value -> (string)

EncryptionContextEquals -> (map)

A list of key-value pairs that must match the encryption context in the cryptographic operation request. The grant allows the operation only when the encryption context in the request is the same as the encryption context specified in this constraint.

key -> (string)

value -> (string)

NextMarker -> (string)

When Truncated is true, this element is present and contains the value to use for the Marker parameter in a subsequent request.

Truncated -> (boolean)

A flag that indicates whether there are more items in the list. When this value is true, the list in this response is truncated. To get more items, pass the value of the NextMarker element in this response to the Marker parameter in a subsequent request.