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Provider keys() method in Java with Examples

Last Updated : 30 Jan, 2023

The keys() method of java.security.Provider class is used to return an enumeration of the keys in this hashtable.

Syntax: 

public Enumeration keys()

Return Value: This method returns an enumeration of the keys in this hashtable.

Below are the examples to illustrate the keys() method:

Program 1: 


Output: 
enumeration of the values: 

Value is: Alg.Alias.Signature.SHA1/DSA
Value is: Alg.Alias.Signature.1.2.840.10040.4.3
Value is: Alg.Alias.Signature.DSS
Value is: SecureRandom.SHA1PRNG ImplementedIn
Value is: KeyStore.JKS
Value is: Alg.Alias.MessageDigest.SHA-1
Value is: MessageDigest.SHA
Value is: KeyStore.CaseExactJKS
Value is: CertStore.com.sun.security.IndexedCollection ImplementedIn
Value is: Signature.SHA256withDSA

 

Example 2:


Output: 
enumeration of the values: 

Value is: Alg.Alias.Signature.SHA1/DSA
Value is: Alg.Alias.Signature.1.2.840.10040.4.3
Value is: Alg.Alias.Signature.DSS
Value is: SecureRandom.SHA1PRNG ImplementedIn
Value is: KeyStore.JKS
Value is: Alg.Alias.MessageDigest.SHA-1
Value is: MessageDigest.SHA
Value is: KeyStore.CaseExactJKS
Value is: CertStore.com.sun.security.IndexedCollection ImplementedIn
Value is: Signature.SHA256withDSA

 
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