| Package | Description | 
|---|---|
| java.security.interfaces | Provides interfaces for generating RSA (Rivest, Shamir and
 Adleman AsymmetricCipher algorithm)
 keys as defined in the RSA Laboratory Technical Note
 PKCS#1, and DSA (Digital Signature
 Algorithm) keys as defined in NIST's FIPS-186. | 
| java.security.spec | Provides classes and interfaces for key specifications and algorithm
 parameter specifications. | 
| Modifier and Type | Method and Description | 
|---|---|
| ECParameterSpec | ECKey. getParams()Returns the domain parameters associated
 with this key. | 
| Modifier and Type | Method and Description | 
|---|---|
| ECParameterSpec | ECPrivateKeySpec. getParams()Returns the associated elliptic curve domain
 parameters. | 
| ECParameterSpec | ECPublicKeySpec. getParams()Returns the associated elliptic curve domain
 parameters. | 
| Constructor and Description | 
|---|
| ECPrivateKeySpec(BigInteger s,
                ECParameterSpec params)Creates a new ECPrivateKeySpec with the specified
 parameter values. | 
| ECPublicKeySpec(ECPoint w,
               ECParameterSpec params)Creates a new ECPublicKeySpec with the specified
 parameter values. | 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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