java类库详细讲解
源代码在线查看: listkeygen.html
Listing All Available Symmetric Key Generators
(Java Developers Almanac Example)
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The Java Developers Almanac 1.4
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List of Packages
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javax.crypto
[14 examples]
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Symmetric Keys
[3 examples]
e458.
Listing All Available Symmetric Key Generators
Retrieving the list of available key generators requires checking the
services provided by all registered providers. The retrieved list of
names can be used in creating a KeyGenerator object.
See also e459 Generating a Symmetric Key.
// This method is implemented in e194 Listing All Available Cryptographic Services
String[] names = getCryptoImpls("KeyGenerator");
An example of the output:
HmacSHA1
Blowfish
HmacMD5
TripleDES
DESede
DES
Related Examples
e459.
Generating a Symmetric Key
e460.
Getting the Bytes of a Generated Symmetric Key
See also:
Encrypting and Decrypting
Key Agreement
MAC
© 2002 Addison-Wesley.