JavaTM 2 Platform
Std. Ed. v1.3.1

java.security.spec
Interface KeySpec

All Known Implementing Classes:
EncodedKeySpec, DSAPrivateKeySpec, RSAPrivateKeySpec, RSAPublicKeySpec, DSAPublicKeySpec

public interface KeySpec

A (transparent) specification of the key material that constitutes a cryptographic key.

If the key is stored on a hardware device, its specification may contain information that helps identify the key on the device.

A key may be specified in an algorithm-specific way, or in an algorithm-independent encoding format (such as ASN.1). For example, a DSA private key may be specified by its components x, p, q, and g (see DSAPrivateKeySpec), or it may be specified using its DER encoding (see PKCS8EncodedKeySpec).

This interface contains no methods or constants. Its only purpose is to group (and provide type safety for) all key specifications. All key specifications must implement this interface.

Since:
1.2
See Also:
Key, KeyFactory, EncodedKeySpec, X509EncodedKeySpec, PKCS8EncodedKeySpec, DSAPrivateKeySpec, DSAPublicKeySpec


JavaTM 2 Platform
Std. Ed. v1.3.1

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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