![]() KMS keys with ECC key pairs can be used only to sign and verify messages. Pairs can be used to encrypt or decrypt data or sign and verify messages (but not both). However, you can use the GetPublicKey operation toĭownload the public key so it can be used outside of AWS KMS. The private key in an asymmetric KMS key never leavesĪWS KMS unencrypted. You can't change these properties after the KMS key is created.Īsymmetric KMS keys contain an RSA key pair, Elliptic Curve (ECC) key pair, or an To determine whether the KMS key will be used to encrypt and decrypt or sign and verify. To create an asymmetric KMS key, use the KeySpec parameter to specify They are typically used to generate data keys and data keys pairs. Use a symmetric encryption KMS key to encrypt and decrypt data up to 4,096 bytes, but The key material in a symmetric encryption key never leaves AWS KMS unencrypted. To protect your resources in an AWS service, create a symmetric encryption KMS key. If you need a key for basic encryption and decryption or you are creating a KMS key Origin, AWS_KMS, create a symmetric encryption KMS key with Value for KeyUsage, ENCRYPT_DECRYPT, and the default value for ![]() The default value for KeySpec, SYMMETRIC_DEFAULT, the default ![]() To create a symmetric encryption KMS key, you don't need to specify any parameters. This is the basic and most widely used type of KMS key, and By default, CreateKey creates a symmetric encryption KMS key with key ![]()
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