| Name | Description | Type | Package | Framework |
| AlgorithmParameterSpec | A (transparent) specification of cryptographic parameters. | Interface | java.security.spec | Java SE |
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| DSAGenParameterSpec | This immutable class specifies the set of parameters used for generating DSA parameters as specified in | Class | java.security.spec | Java SE |
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| DSAParameterSpec | This class specifies the set of parameters used with the DSA algorithm. | Class | java.security.spec | Java SE |
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| DSAPrivateKeySpec | This class specifies a DSA private key with its associated parameters. | Class | java.security.spec | Java SE |
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| DSAPublicKeySpec | This class specifies a DSA public key with its associated parameters. | Class | java.security.spec | Java SE |
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| ECFieldF2m | This immutable class defines an elliptic curve (EC) characteristic 2 finite field. | Class | java.security.spec | Java SE |
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| ECFieldFp | This immutable class defines an elliptic curve (EC) primeSince:1. | Class | java.security.spec | Java SE |
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| ECGenParameterSpec | This immutable class specifies the set of parameters used for generating elliptic curve (EC) domain parameters. | Class | java.security.spec | Java SE |
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| ECParameterSpec | This immutable class specifies the set of domain parameters used with elliptic curve cryptography (ECC). | Class | java.security.spec | Java SE |
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| ECPoint | This immutable class represents a point on an elliptic curve (EC) in affine coordinates. | Class | java.security.spec | Java SE |
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| ECPrivateKeySpec | This immutable class specifies an elliptic curve private key with its associated parameters. | Class | java.security.spec | Java SE |
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| ECPublicKeySpec | This immutable class specifies an elliptic curve public key with its associated parameters. | Class | java.security.spec | Java SE |
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| EllipticCurve | This immutable class holds the necessary values needed to representSince:1. | Class | java.security.spec | Java SE |
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| EncodedKeySpec | This class represents a public or private key in encoded format. | Class | java.security.spec | Java SE |
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| ECField | This interface represents an elliptic curve (EC) finite field. | Interface | java.security.spec | Java SE |
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| InvalidKeySpecException | This is the exception for invalid key specifications. | Class | java.security.spec | Java SE |
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| InvalidParameterSpecException | This is the exception for invalid parameter specifications. | Class | java.security.spec | Java SE |
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| KeySpec | A (transparent) specification of the key material that constitutes a cryptographic key. | Interface | java.security.spec | Java SE |
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| MGF1ParameterSpec | This class specifies the set of parameters used with mask generation function MGF1 in OAEP Padding and RSA-PSS signature scheme, as | Class | java.security.spec | Java SE |
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| PKCS8EncodedKeySpec | This class represents the ASN. | Class | java.security.spec | Java SE |
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| PSSParameterSpec | This class specifies a parameter spec for RSA-PSS signature scheme, Its ASN. | Class | java.security.spec | Java SE |
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| RSAKeyGenParameterSpec | This class specifies the set of parameters used to generate an RSASince:1. | Class | java.security.spec | Java SE |
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| RSAMultiPrimePrivateCrtKeySpec | This class specifies an RSA multi-prime private key, as defined in the PKCS#1 v2. | Class | java.security.spec | Java SE |
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| RSAOtherPrimeInfo | This class represents the triplet (prime, exponent, and coefficient) inside RSA's OtherPrimeInfo structure, as defined in the PKCS#1 v2. | Class | java.security.spec | Java SE |
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| RSAPrivateCrtKeySpec | This class specifies an RSA private key, as defined in the PKCS#1 standard, using the Chinese Remainder Theorem (CRT) information values for | Class | java.security.spec | Java SE |
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| RSAPrivateKeySpec | This class specifies an RSA private key. | Class | java.security.spec | Java SE |
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| RSAPublicKeySpec | This class specifies an RSA public key. | Class | java.security.spec | Java SE |
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| X509EncodedKeySpec | This class represents the ASN. | Class | java.security.spec | Java SE |