java上加密算法的实现用例.mht

JAVA核心源代码及算法,适合入门的初学者,可以让你快的入门

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                        =
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                            <TD vAlign=3Dtop width=3D"86%">=B5=DA1=D5=C2 =
=BB=F9=B4=A1=D6=AA=CA=B6=20
                              <BR><BR><BR>1.1. =
=B5=A5=D4=BF=C3=DC=C2=EB=CC=E5=D6=C6=20
                              =
<BR><BR>=B5=A5=D4=BF=C3=DC=C2=EB=CC=E5=D6=C6=CA=C7=D2=BB=D6=D6=B4=AB=CD=B3=
=B5=C4=BC=D3=C3=DC=CB=E3=B7=A8=A3=AC=CA=C7=D6=B8=D0=C5=CF=A2=B5=C4=B7=A2=CB=
=CD=B7=BD=BA=CD=BD=D3=CA=D5=B7=BD=B9=B2=CD=AC=CA=B9=D3=C3=CD=AC=D2=BB=B0=D1=
=C3=DC=D4=BF=BD=F8=D0=D0=BC=D3=BD=E2=C3=DC=A1=A3=20
                              =
<BR><BR><BR>=CD=A8=B3=A3,=CA=B9=D3=C3=B5=C4=BC=D3=C3=DC=CB=E3=B7=A8=20
                              =
=B1=C8=BD=CF=BC=F2=B1=E3=B8=DF=D0=A7,=C3=DC=D4=BF=BC=F2=B6=CC=A3=AC=BC=D3=
=BD=E2=C3=DC=CB=D9=B6=C8=BF=EC=A3=AC=C6=C6=D2=EB=BC=AB=C6=E4=C0=A7=C4=D1=A1=
=A3=B5=AB=CA=C7=BC=D3=C3=DC=B5=C4=B0=B2=C8=AB=D0=D4=D2=C0=BF=BF=C3=DC=D4=BF=
=B1=A3=B9=DC=B5=C4=B0=B2=C8=AB=D0=D4,=D4=DA=B9=AB=BF=AA=B5=C4=BC=C6=CB=E3=
=BB=FA=CD=F8=C2=E7=C9=CF=B0=B2=C8=AB=B5=D8=B4=AB=CB=CD=BA=CD=B1=A3=B9=DC=C3=
=DC=D4=BF=CA=C7=D2=BB=B8=F6=D1=CF=BE=FE=B5=C4=CE=CA=CC=E2=A3=AC=B2=A2=C7=D2=
=C8=E7=B9=FB=D4=DA=B6=E0=D3=C3=BB=A7=B5=C4=C7=E9=BF=F6=CF=C2=C3=DC=D4=BF=B5=
=C4=B1=A3=B9=DC=B0=B2=C8=AB=D0=D4=D2=B2=CA=C7=D2=BB=B8=F6=CE=CA=CC=E2=A1=A3=
=20
                              =
<BR><BR><BR>=B5=A5=D4=BF=C3=DC=C2=EB=CC=E5=D6=C6=B5=C4=B4=FA=B1=ED=CA=C7=C3=
=C0=B9=FA=B5=C4DES <BR><BR><BR>1.2. =CF=FB=CF=A2=D5=AA=D2=AA=20
                              =
<BR><BR>=D2=BB=B8=F6=CF=FB=CF=A2=D5=AA=D2=AA=BE=CD=CA=C7=D2=BB=B8=F6=CA=FD=
=BE=DD=BF=E9=B5=C4=CA=FD=D7=D6=D6=B8=CE=C6=A1=A3=BC=B4=B6=D4=D2=BB=B8=F6=C8=
=CE=D2=E2=B3=A4=B6=C8=B5=C4=D2=BB=B8=F6=CA=FD=BE=DD=BF=E9=BD=F8=D0=D0=BC=C6=
=CB=E3=A3=AC=B2=FA=C9=FA=D2=BB=B8=F6=CE=A8=D2=BB=D6=B8=D3=A1=A3=A8=B6=D4=D3=
=DASHA1=CA=C7=B2=FA=C9=FA=D2=BB=B8=F620=D7=D6=BD=DA=B5=C4=B6=FE=BD=F8=D6=C6=
=CA=FD=D7=E9=A3=A9=A1=A3=20
                              =
<BR><BR><BR>=CF=FB=CF=A2=D5=AA=D2=AA=D3=D0=C1=BD=B8=F6=BB=F9=B1=BE=CA=F4=D0=
=D4=A3=BA=20
                              =
<BR><BR><BR>=C1=BD=B8=F6=B2=BB=CD=AC=B5=C4=B1=A8=CE=C4=C4=D1=D2=D4=C9=FA=B3=
=C9=CF=E0=CD=AC=B5=C4=D5=AA=D2=AA=20
                              =
<BR><BR>=C4=D1=D2=D4=B6=D4=D6=B8=B6=A8=B5=C4=D5=AA=D2=AA=C9=FA=B3=C9=D2=BB=
=B8=F6=B1=A8=CE=C4=A3=AC=B6=F8=D3=C9=B8=C3=B1=A8=CE=C4=B7=B4=CD=C6=CB=E3=B3=
=F6=B8=C3=D6=B8=B6=A8=B5=C4=D5=AA=D2=AA=20
                              =
<BR><BR>=B4=FA=B1=ED=A3=BA=C3=C0=B9=FA=B9=FA=BC=D2=B1=EA=D7=BC=BC=BC=CA=F5=
=D1=D0=BE=BF=CB=F9=B5=C4SHA1=BA=CD=C2=E9=CA=A1=C0=ED=B9=A4=D1=A7=D4=BARon=
ald=20
                              Rivest=CC=E1=B3=F6=B5=C4MD5 =
<BR><BR><BR>1.3. Diffie-Hellman=C3=DC=D4=BF=D2=BB=D6=C2=D0=AD=D2=E9=20
                              =
<BR><BR>=C3=DC=D4=BF=D2=BB=D6=C2=D0=AD=D2=E9=CA=C7=D3=C9=B9=AB=BF=AA=C3=DC=
=D4=BF=C3=DC=C2=EB=CC=E5=D6=C6=B5=C4=B5=EC=BB=F9=C8=CBDiffie=BA=CDHellman=
=CB=F9=CC=E1=B3=F6=B5=C4=D2=BB=D6=D6=CB=BC=CF=EB=A1=A3=20
                              =
<BR><BR><BR>=CF=C8=BE=F6=CC=F5=BC=FE,=D4=CA=D0=ED=C1=BD=C3=FB=D3=C3=BB=A7=
=D4=DA=B9=AB=BF=AA=C3=BD=CC=E5=C9=CF=BD=BB=BB=BB=D0=C5=CF=A2=D2=D4=C9=FA=B3=
=C9"=D2=BB=D6=C2"=B5=C4,=BF=C9=D2=D4=B9=B2=CF=ED=B5=C4=C3=DC=D4=BF=20
                              =
<BR><BR><BR>=B4=FA=B1=ED=A3=BA=D6=B8=CA=FD=C3=DC=D4=BF=D2=BB=D6=C2=D0=AD=D2=
=E9(Exponential Key Agreement=20
                              Protocol) <BR><BR><BR>1.4. =
=B7=C7=B6=D4=B3=C6=CB=E3=B7=A8=D3=EB=B9=AB=D4=BF=CC=E5=CF=B5=20
                              =
<BR><BR>1976=C4=EA=A3=ACDittie=BA=CDHellman=CE=AA=BD=E2=BE=F6=C3=DC=D4=BF=
=B9=DC=C0=ED=CE=CA=CC=E2=A3=AC=D4=DA=CB=FB=C3=C7=B5=C4=B5=EC=BB=F9=D0=D4=B5=
=C4=B9=A4=D7=F7"=C3=DC=C2=EB=D1=A7=B5=C4=D0=C2=B7=BD=CF=F2"=D2=BB=CE=C4=D6=
=D0=A3=AC=CC=E1=B3=F6=D2=BB=D6=D6=C3=DC=D4=BF=BD=BB=BB=BB=D0=AD=D2=E9=A3=AC=
=D4=CA=D0=ED=D4=DA=B2=BB=B0=B2=C8=AB=B5=C4=C3=BD=CC=E5=C9=CF=CD=A8=B9=FD=CD=
=A8=D1=B6=CB=AB=B7=BD=BD=BB=BB=BB=D0=C5=CF=A2=A3=AC=B0=B2=C8=AB=B5=D8=B4=AB=
=CB=CD=C3=D8=C3=DC=C3=DC=D4=BF=A1=A3=D4=DA=B4=CB=D0=C2=CB=BC=CF=EB=B5=C4=BB=
=F9=B4=A1=C9=CF=A3=AC=BA=DC=BF=EC=B3=F6=CF=D6=C1=CB=B7=C7=B6=D4=B3=C6=C3=DC=
=D4=BF=C3=DC=C2=EB=CC=E5=D6=C6=A3=AC=BC=B4=B9=AB=D4=BF=C3=DC=C2=EB=CC=E5=D6=
=C6=A1=A3=D4=DA=B9=AB=D4=BF=CC=E5=D6=C6=D6=D0=A3=AC=BC=D3=C3=DC=C3=DC=D4=BF=
=B2=BB=CD=AC=D3=DA=BD=E2=C3=DC=C3=DC=D4=BF=A3=AC=BC=D3=C3=DC=C3=DC=D4=BF=B9=
=AB=D6=AE=D3=DA=D6=DA=A3=AC=CB=AD=B6=BC=BF=C9=D2=D4=CA=B9=D3=C3=A3=BB=BD=E2=
=C3=DC=C3=DC=D4=BF=D6=BB=D3=D0=BD=E2=C3=DC=C8=CB=D7=D4=BC=BA=D6=AA=B5=C0=A1=
=A3=CB=FC=C3=C7=B7=D6=B1=F0=B3=C6=CE=AA=B9=AB=BF=AA=C3=DC=D4=BF=A3=A8Publ=
ic=20
                              =
key=A3=A9=BA=CD=C3=D8=C3=DC=C3=DC=D4=BF=A3=A8Private key=A3=A9=A1=A3=20
                              =
<BR><BR><BR>=C6=F9=BD=F1=CE=AA=D6=B9=B5=C4=CB=F9=D3=D0=B9=AB=D4=BF=C3=DC=C2=
=EB=CC=E5=CF=B5=D6=D0=A3=ACRSA=CF=B5=CD=B3=CA=C7=D7=EE=D6=F8=C3=FB=A1=A2=D7=
=EE=B6=E0=CA=B9=D3=C3=B5=C4=D2=BB=D6=D6=A1=A3RSA=B9=AB=BF=AA=C3=DC=D4=BF=C3=
=DC=C2=EB=CF=B5=CD=B3=CA=C7=D3=C9R.Rivest=A1=A2A.Shamir=BA=CDL.Adleman=BF=
=A1=BD=CC=CA=DA=D3=DA1977=C4=EA=CC=E1=B3=F6=B5=C4=A1=A3RSA=B5=C4=C8=A1=C3=
=FB=BE=CD=CA=C7=C0=B4=D7=D4=D3=DA=D5=E2=C8=FD=CE=BB=B7=A2=C3=F7=D5=DF=B5=C4=
=D0=D5=B5=C4=B5=DA=D2=BB=B8=F6=D7=D6=C4=B8=20
                              <BR><BR><BR>1.5. =CA=FD=D7=D6=C7=A9=C3=FB=20
                              =
<BR><BR>=CB=F9=CE=BD=CA=FD=D7=D6=C7=A9=C3=FB=BE=CD=CA=C7=D0=C5=CF=A2=B7=A2=
=CB=CD=D5=DF=D3=C3=C6=E4=CB=BD=D4=BF=B6=D4=B4=D3=CB=F9=B4=AB=B1=A8=CE=C4=D6=
=D0=CC=E1=C8=A1=B3=F6=B5=C4=CC=D8=D5=F7=CA=FD=BE=DD=A3=A8=BB=F2=B3=C6=CA=FD=
=D7=D6=D6=B8=CE=C6=A3=A9=BD=F8=D0=D0RSA=CB=E3=B7=A8=B2=D9=D7=F7=A3=AC=D2=D4=
=B1=A3=D6=A4=B7=A2=D0=C5=C8=CB=CE=DE=B7=A8=B5=D6=C0=B5=D4=F8=B7=A2=B9=FD=B8=
=C3=D0=C5=CF=A2=A3=A8=BC=B4=B2=BB=BF=C9=B5=D6=C0=B5=D0=D4=A3=A9=A3=AC=CD=AC=
=CA=B1=D2=B2=C8=B7=B1=A3=D0=C5=CF=A2=B1=A8=CE=C4=D4=DA=BE=AD=C7=A9=C3=FB=BA=
=F3=C4=A9=B1=BB=B4=DB=B8=C4=A3=A8=BC=B4=CD=EA=D5=FB=D0=D4=A3=A9=A1=A3=B5=B1=
=D0=C5=CF=A2=BD=D3=CA=D5=D5=DF=CA=D5=B5=BD=B1=A8=CE=C4=BA=F3=A3=AC=BE=CD=BF=
=C9=D2=D4=D3=C3=B7=A2=CB=CD=D5=DF=B5=C4=B9=AB=D4=BF=B6=D4=CA=FD=D7=D6=C7=A9=
=C3=FB=BD=F8=D0=D0=D1=E9=D6=A4=A1=A3=A1=A1=20
                              =
<BR><BR><BR>=D4=DA=CA=FD=D7=D6=C7=A9=C3=FB=D6=D0=D3=D0=D6=D8=D2=AA=D7=F7=D3=
=C3=B5=C4=CA=FD=D7=D6=D6=B8=CE=C6=CA=C7=CD=A8=B9=FD=D2=BB=C0=E0=CC=D8=CA=E2=
=B5=C4=C9=A2=C1=D0=BA=AF=CA=FD=A3=A8HASH=BA=AF=CA=FD=A3=A9=C9=FA=B3=C9=B5=
=C4=A3=AC=B6=D4=D5=E2=D0=A9HASH=BA=AF=CA=FD=B5=C4=CC=D8=CA=E2=D2=AA=C7=F3=
=CA=C7=A3=BA=20
                              =
<BR><BR><BR>=BD=D3=CA=DC=B5=C4=CA=E4=C8=EB=B1=A8=CE=C4=CA=FD=BE=DD=C3=BB=D3=
=D0=B3=A4=B6=C8=CF=DE=D6=C6=A3=BB=20
                              =
<BR><BR>=B6=D4=C8=CE=BA=CE=CA=E4=C8=EB=B1=A8=CE=C4=CA=FD=BE=DD=C9=FA=B3=C9=
=B9=CC=B6=A8=B3=A4=B6=C8=B5=C4=D5=AA=D2=AA=A3=A8=CA=FD=D7=D6=D6=B8=CE=C6=A3=
=A9=CA=E4=B3=F6=20
                              =
<BR><BR>=B4=D3=B1=A8=CE=C4=C4=DC=B7=BD=B1=E3=B5=D8=CB=E3=B3=F6=D5=AA=D2=AA=
=A3=BB=20
                              =
<BR><BR>=C4=D1=D2=D4=B6=D4=D6=B8=B6=A8=B5=C4=D5=AA=D2=AA=C9=FA=B3=C9=D2=BB=
=B8=F6=B1=A8=CE=C4=A3=AC=B6=F8=D3=C9=B8=C3=B1=A8=CE=C4=B7=B4=CD=C6=CB=E3=B3=
=F6=B8=C3=D6=B8=B6=A8=B5=C4=D5=AA=D2=AA=A3=BB=20
                              =
<BR><BR>=C1=BD=B8=F6=B2=BB=CD=AC=B5=C4=B1=A8=CE=C4=C4=D1=D2=D4=C9=FA=B3=C9=
=CF=E0=CD=AC=B5=C4=D5=AA=D2=AA <BR><BR><BR>=B4=FA=B1=ED=A3=BADSA=20
                              <BR><BR><BR>=B5=DA2=D5=C2 =
=D4=DAJAVA=D6=D0=B5=C4=CA=B5=CF=D6 <BR><BR><BR>2.1. =CF=E0=B9=D8=20
                              =
<BR><BR>Diffie-Hellman=C3=DC=D4=BF=D2=BB=D6=C2=D0=AD=D2=E9=BA=CDDES=B3=CC=
=D0=F2=D0=E8=D2=AAJCE=B9=A4=BE=DF=BF=E2=B5=C4=D6=A7=B3=D6,=BF=C9=D2=D4=B5=
=BD=20
                              http://java.sun.com/security/index.html=20
                              =
=CF=C2=D4=D8JCE,=B2=A2=BD=F8=D0=D0=B0=B2=D7=B0=A1=A3=BC=F2=D2=D7=B0=B2=D7=
=B0=B0=D1 jce1.2.1\lib =
=CF=C2=B5=C4=CB=F9=D3=D0=C4=DA=C8=DD=B8=B4=D6=C6=B5=BD=20
                              =
%java_home%\lib\ext=CF=C2,=C8=E7=B9=FB=C3=BB=D3=D0ext=C4=BF=C2=BC=D7=D4=D0=
=D0=BD=A8=C1=A2,=D4=D9=B0=D1jce1_2_1.jar=BA=CDsunjce_provider.jar=CC=ED=BC=
=D3=B5=BDCLASSPATH=C4=DA,=B8=FC=CF=EA=CF=B8=CB=B5=C3=F7=C7=EB=BF=B4=CF=E0=
=D3=A6=D3=C3=BB=A7=CA=D6=B2=E1=20
                              <BR><BR><BR>2.2. =
=CF=FB=CF=A2=D5=AA=D2=AAMD5=BA=CDSHA=B5=C4=CA=B9=D3=C3 =
<BR><BR>=CA=B9=D3=C3=B7=BD=B7=A8:=20
                              =
<BR><BR><BR>=CA=D7=CF=C8=D3=C3=C9=FA=B3=C9=D2=BB=B8=F6MessageDigest=C0=E0=
,=C8=B7=B6=A8=BC=C6=CB=E3=B7=BD=B7=A8=20
                              <BR><BR><BR>java.security.MessageDigest=20
                              =
alga=3Djava.security.MessageDigest.getInstance("SHA-1");=20
                              =
<BR><BR><BR>=CC=ED=BC=D3=D2=AA=BD=F8=D0=D0=BC=C6=CB=E3=D5=AA=D2=AA=B5=C4=D0=
=C5=CF=A2=20
                              =
<BR><BR><BR>alga.update(myinfo.getBytes());=20
                              <BR><BR><BR>=BC=C6=CB=E3=B3=F6=D5=AA=D2=AA =
<BR><BR><BR>byte[]=20
                              digesta=3Dalga.digest(); =
<BR><BR><BR>=B7=A2=CB=CD=B8=F8=C6=E4=CB=FB=C8=CB=C4=E3=B5=C4=D0=C5=CF=A2=BA=
=CD=D5=AA=D2=AA=20
                              =
<BR><BR><BR>=C6=E4=CB=FB=C8=CB=D3=C3=CF=E0=CD=AC=B5=C4=B7=BD=B7=A8=B3=F5=CA=
=BC=BB=AF,=CC=ED=BC=D3=D0=C5=CF=A2,=D7=EE=BA=F3=BD=F8=D0=D0=B1=C8=BD=CF=D5=
=AA=D2=AA=CA=C7=B7=F1=CF=E0=CD=AC=20
                              =
<BR><BR><BR>algb.isEqual(digesta,algb.digest())=20
                              <BR><BR><BR>=CF=E0=B9=D8AIP=20
                              <BR><BR><BR>java.security.MessageDigest =
=C0=E0=20
                              <BR><BR><BR>static getInstance(String =
algorithm)=20
                              =
<BR><BR><BR>=B7=B5=BB=D8=D2=BB=B8=F6MessageDigest=B6=D4=CF=F3,=CB=FC=CA=B5=
=CF=D6=D6=B8=B6=A8=B5=C4=CB=E3=B7=A8=20
                              =
<BR><BR><BR>=B2=CE=CA=FD:=CB=E3=B7=A8=C3=FB,=C8=E7 SHA-1 =BB=F2MD5 =
<BR><BR><BR>void=20
                              update (byte input) <BR><BR><BR>void =
update=20
                              (byte[] input) <BR><BR><BR>void =
update(byte[]=20
                              input, int offset, int len)=20
                              =