包含各種加密演算法和Digital Signatures(MD2 MD4 MD5 RIPEMD-128 RIPEMD-160 SHA-0 SHA-1 SHA-256 SHA-384 SHA-512 Tiger)-THIS SOFTWARE IS PROVIDED BY THE CRYPTIX FOUNDATION LIMITED ``AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

The class extends the PublicKeyImpl class in "org.apache.harmony.security" package.