pub struct GetPublicKeyFluentBuilder { /* private fields */ }Expand description
Fluent builder constructing a request to GetPublicKey.
Returns the public key of an asymmetric KMS key. Unlike the private key of a asymmetric KMS key, which never leaves KMS unencrypted, callers with kms:GetPublicKey permission can download the public key of an asymmetric KMS key. You can share the public key to allow others to encrypt messages and verify signatures outside of KMS. For information about asymmetric KMS keys, see Asymmetric KMS keys in the Key Management Service Developer Guide.
You do not need to download the public key. Instead, you can use the public key within KMS by calling the Encrypt, ReEncrypt, or Verify operations with the identifier of an asymmetric KMS key. When you use the public key within KMS, you benefit from the authentication, authorization, and logging that are part of every KMS operation. You also reduce of risk of encrypting data that cannot be decrypted. These features are not effective outside of KMS.
To help you use the public key safely outside of KMS, GetPublicKey returns important information about the public key in the response, including:
-
KeySpec: The type of key material in the public key, such as
RSA_4096orECC_NIST_P521. -
KeyUsage: Whether the key is used for encryption, signing, or deriving a shared secret.
-
EncryptionAlgorithms or SigningAlgorithms: A list of the encryption algorithms or the signing algorithms for the key.
Although KMS cannot enforce these restrictions on external operations, it is crucial that you use this information to prevent the public key from being used improperly. For example, you can prevent a public signing key from being used encrypt data, or prevent a public key from being used with an encryption algorithm that is not supported by KMS. You can also avoid errors, such as using the wrong signing algorithm in a verification operation.
To verify a signature outside of KMS with an SM2 public key (China Regions only), you must specify the distinguishing ID. By default, KMS uses 1234567812345678 as the distinguishing ID. For more information, see Offline verification with SM2 key pairs.
The KMS key that you use for this operation must be in a compatible key state. For details, see Key states of KMS keys in the Key Management Service Developer Guide.
Cross-account use: Yes. To perform this operation with a KMS key in a different Amazon Web Services account, specify the key ARN or alias ARN in the value of the KeyId parameter.
Required permissions: kms:GetPublicKey (key policy)
Related operations: CreateKey
Eventual consistency: The KMS API follows an eventual consistency model. For more information, see KMS eventual consistency.
Implementations§
Source§impl GetPublicKeyFluentBuilder
impl GetPublicKeyFluentBuilder
Sourcepub fn as_input(&self) -> &GetPublicKeyInputBuilder
pub fn as_input(&self) -> &GetPublicKeyInputBuilder
Access the GetPublicKey as a reference.
Sourcepub async fn send(
self,
) -> Result<GetPublicKeyOutput, SdkError<GetPublicKeyError, HttpResponse>>
pub async fn send( self, ) -> Result<GetPublicKeyOutput, SdkError<GetPublicKeyError, HttpResponse>>
Sends the request and returns the response.
If an error occurs, an SdkError will be returned with additional details that
can be matched against.
By default, any retryable failures will be retried twice. Retry behavior is configurable with the RetryConfig, which can be set when configuring the client.
Sourcepub fn customize(
self,
) -> CustomizableOperation<GetPublicKeyOutput, GetPublicKeyError, Self>
pub fn customize( self, ) -> CustomizableOperation<GetPublicKeyOutput, GetPublicKeyError, Self>
Consumes this builder, creating a customizable operation that can be modified before being sent.
Sourcepub fn key_id(self, input: impl Into<String>) -> Self
pub fn key_id(self, input: impl Into<String>) -> Self
Identifies the asymmetric KMS key that includes the public key.
To specify a KMS key, use its key ID, key ARN, alias name, or alias ARN. When using an alias name, prefix it with "alias/". To specify a KMS key in a different Amazon Web Services account, you must use the key ARN or alias 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 -
Alias name:
alias/ExampleAlias -
Alias ARN:
arn:aws:kms:us-east-2:111122223333:alias/ExampleAlias
To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey. To get the alias name and alias ARN, use ListAliases.
Sourcepub fn set_key_id(self, input: Option<String>) -> Self
pub fn set_key_id(self, input: Option<String>) -> Self
Identifies the asymmetric KMS key that includes the public key.
To specify a KMS key, use its key ID, key ARN, alias name, or alias ARN. When using an alias name, prefix it with "alias/". To specify a KMS key in a different Amazon Web Services account, you must use the key ARN or alias 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 -
Alias name:
alias/ExampleAlias -
Alias ARN:
arn:aws:kms:us-east-2:111122223333:alias/ExampleAlias
To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey. To get the alias name and alias ARN, use ListAliases.
Sourcepub fn get_key_id(&self) -> &Option<String>
pub fn get_key_id(&self) -> &Option<String>
Identifies the asymmetric KMS key that includes the public key.
To specify a KMS key, use its key ID, key ARN, alias name, or alias ARN. When using an alias name, prefix it with "alias/". To specify a KMS key in a different Amazon Web Services account, you must use the key ARN or alias 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 -
Alias name:
alias/ExampleAlias -
Alias ARN:
arn:aws:kms:us-east-2:111122223333:alias/ExampleAlias
To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey. To get the alias name and alias ARN, use ListAliases.
Sourcepub fn grant_tokens(self, input: impl Into<String>) -> Self
pub fn grant_tokens(self, input: impl Into<String>) -> Self
Appends an item to GrantTokens.
To override the contents of this collection use set_grant_tokens.
A list of grant tokens.
Use a grant token when your permission to call this operation comes from a new grant that has not yet achieved eventual consistency. For more information, see Grant token and Using a grant token in the Key Management Service Developer Guide.
Sourcepub fn set_grant_tokens(self, input: Option<Vec<String>>) -> Self
pub fn set_grant_tokens(self, input: Option<Vec<String>>) -> Self
A list of grant tokens.
Use a grant token when your permission to call this operation comes from a new grant that has not yet achieved eventual consistency. For more information, see Grant token and Using a grant token in the Key Management Service Developer Guide.
Sourcepub fn get_grant_tokens(&self) -> &Option<Vec<String>>
pub fn get_grant_tokens(&self) -> &Option<Vec<String>>
A list of grant tokens.
Use a grant token when your permission to call this operation comes from a new grant that has not yet achieved eventual consistency. For more information, see Grant token and Using a grant token in the Key Management Service Developer Guide.
Trait Implementations§
Source§impl Clone for GetPublicKeyFluentBuilder
impl Clone for GetPublicKeyFluentBuilder
Source§fn clone(&self) -> GetPublicKeyFluentBuilder
fn clone(&self) -> GetPublicKeyFluentBuilder
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreAuto Trait Implementations§
impl Freeze for GetPublicKeyFluentBuilder
impl !RefUnwindSafe for GetPublicKeyFluentBuilder
impl Send for GetPublicKeyFluentBuilder
impl Sync for GetPublicKeyFluentBuilder
impl Unpin for GetPublicKeyFluentBuilder
impl !UnwindSafe for GetPublicKeyFluentBuilder
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