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>openssl_public_decrypt</H1
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><P
>    (PHP 4 &#62;= 4.0.6, PHP 5)</P
>openssl_public_decrypt&nbsp;--&nbsp;Decrypts data with public key </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN164347"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>openssl_public_decrypt</B
> ( string data, string &#38;decrypted, mixed key [, int padding] )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>openssl_public_decrypt()</B
> decrypts
     <CODE
CLASS="parameter"
>data</CODE
> that was previous encrypted via
     <A
HREF="function.openssl-private-encrypt.html"
><B
CLASS="function"
>openssl_private_encrypt()</B
></A
> and stores the result into
     <CODE
CLASS="parameter"
>decrypted</CODE
>.  <CODE
CLASS="parameter"
>key</CODE
> must be the
     public key corresponding that was used to encrypt the
     data.  <CODE
CLASS="parameter"
>padding</CODE
> defaults to 
     <TT
CLASS="constant"
><B
>OPENSSL_PKCS1_PADDING</B
></TT
>, but can also be
     <TT
CLASS="constant"
><B
>OPENSSL_NO_PADDING</B
></TT
>.
    </P
><P
>&#13;     如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
    </P
><P
>&#13;     You can use this function e.g. to check if the message was written by the
     owner of the private key.
    </P
><P
>&#13;     See also <A
HREF="function.openssl-private-encrypt.html"
><B
CLASS="function"
>openssl_private_encrypt()</B
></A
> and
     <A
HREF="function.openssl-private-decrypt.html"
><B
CLASS="function"
>openssl_private_decrypt()</B
></A
>.
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