# Supported key types for Key Storage Provider (KSP) for AWS CloudHSM Client SDK 5
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The AWS CloudHSM Key Storage Provider (KSP) supports the following key types with Client SDK 5.


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| Key Type | Description | 
| --- | --- | 
| EC | Generate keys with the secp256r1 (P-256), secp384r1 (P-384), and secp521r1 (P-521) curves. | 
| RSA | Generate 2048, 3072, and 4096-bit RSA keys. |