org.apache.tomcat.jni
Class SSL

java.lang.Object
  org.apache.tomcat.jni.SSL

public final class SSL
extends Object

SSL

Version:

$Id: SSL.java 1199985 2011-11-09 21:43:23Z schultz $

Author:

Mladen Turk

Field Summary

static int	SSL_AIDX_DSA
static int	SSL_AIDX_MAX
static int	SSL_AIDX_RSA
static int	SSL_ALGO_ALL
static int	SSL_ALGO_DSA
static int	SSL_ALGO_RSA
static int	SSL_ALGO_UNKNOWN
static int	SSL_CRT_FORMAT_ASN1
static int	SSL_CRT_FORMAT_ENGINE
static int	SSL_CRT_FORMAT_NETSCAPE
static int	SSL_CRT_FORMAT_PEM
static int	SSL_CRT_FORMAT_PKCS12
static int	SSL_CRT_FORMAT_SMIME
static int	SSL_CRT_FORMAT_TEXT
static int	SSL_CRT_FORMAT_UNDEF
static int	SSL_CVERIFY_NONE
static int	SSL_CVERIFY_OPTIONAL
static int	SSL_CVERIFY_OPTIONAL_NO_CA
static int	SSL_CVERIFY_REQUIRE
static int	SSL_CVERIFY_UNSET
static int	SSL_INFO_CIPHER
static int	SSL_INFO_CIPHER_ALGKEYSIZE
static int	SSL_INFO_CIPHER_DESCRIPTION
static int	SSL_INFO_CIPHER_USEKEYSIZE
static int	SSL_INFO_CIPHER_VERSION
static int	SSL_INFO_CLIENT_A_KEY
static int	SSL_INFO_CLIENT_A_SIG
static int	SSL_INFO_CLIENT_CERT
static int	SSL_INFO_CLIENT_CERT_CHAIN
static int	SSL_INFO_CLIENT_I_DN
static int	SSL_INFO_CLIENT_M_SERIAL
static int	SSL_INFO_CLIENT_M_VERSION
static int	SSL_INFO_CLIENT_S_DN
static int	SSL_INFO_CLIENT_V_END
static int	SSL_INFO_CLIENT_V_REMAIN
static int	SSL_INFO_CLIENT_V_START
static int	SSL_INFO_DN_COMMONNAME
static int	SSL_INFO_DN_COUNTRYNAME
static int	SSL_INFO_DN_DESCRIPTION
static int	SSL_INFO_DN_EMAILADDRESS
static int	SSL_INFO_DN_GIVENNAME
static int	SSL_INFO_DN_INITIALS
static int	SSL_INFO_DN_LOCALITYNAME
static int	SSL_INFO_DN_ORGANIZATIONALUNITNAME
static int	SSL_INFO_DN_ORGANIZATIONNAME
static int	SSL_INFO_DN_STATEORPROVINCENAME
static int	SSL_INFO_DN_SURNAME
static int	SSL_INFO_DN_TITLE
static int	SSL_INFO_DN_UNIQUEIDENTIFIER
static int	SSL_INFO_PROTOCOL
static int	SSL_INFO_SERVER_A_KEY
static int	SSL_INFO_SERVER_A_SIG
static int	SSL_INFO_SERVER_CERT
static int	SSL_INFO_SERVER_I_DN
static int	SSL_INFO_SERVER_M_SERIAL
static int	SSL_INFO_SERVER_M_VERSION
static int	SSL_INFO_SERVER_S_DN
static int	SSL_INFO_SERVER_V_END
static int	SSL_INFO_SERVER_V_START
static int	SSL_INFO_SESSION_ID
static int	SSL_MODE_CLIENT
static int	SSL_MODE_COMBINED
static int	SSL_MODE_SERVER
static int	SSL_OP_ALL
static int	SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION
static int	SSL_OP_CIPHER_SERVER_PREFERENCE
static int	SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
static int	SSL_OP_EPHEMERAL_RSA
static int	SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER
static int	SSL_OP_MICROSOFT_SESS_ID_BUG
static int	SSL_OP_MSIE_SSLV2_RSA_PADDING
static int	SSL_OP_NETSCAPE_CA_DN_BUG
static int	SSL_OP_NETSCAPE_CHALLENGE_BUG
static int	SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG
static int	SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
static int	SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
static int	SSL_OP_NO_SSLv2
static int	SSL_OP_NO_SSLv3
static int	SSL_OP_NO_TLSv1
static int	SSL_OP_PKCS1_CHECK_1
static int	SSL_OP_PKCS1_CHECK_2
static int	SSL_OP_SINGLE_DH_USE
static int	SSL_OP_SINGLE_ECDH_USE
static int	SSL_OP_SSLEAY_080_CLIENT_DH_BUG
static int	SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG
static int	SSL_OP_TLS_BLOCK_PADDING_BUG
static int	SSL_OP_TLS_D5_BUG
static int	SSL_OP_TLS_ROLLBACK_BUG
static int	SSL_OPT_ALL
static int	SSL_OPT_EXPORTCERTDATA
static int	SSL_OPT_FAKEBASICAUTH
static int	SSL_OPT_NONE
static int	SSL_OPT_OPTRENEGOTIATE
static int	SSL_OPT_RELSET
static int	SSL_OPT_STDENVVARS
static int	SSL_OPT_STRICTREQUIRE
static int	SSL_PROTOCOL_ALL
static int	SSL_PROTOCOL_NONE
static int	SSL_PROTOCOL_SSLV2
static int	SSL_PROTOCOL_SSLV3
static int	SSL_PROTOCOL_TLSV1
static int	SSL_SHUTDOWN_TYPE_ACCURATE
static int	SSL_SHUTDOWN_TYPE_STANDARD
static int	SSL_SHUTDOWN_TYPE_UNCLEAN
static int	SSL_SHUTDOWN_TYPE_UNSET
static int	SSL_TMP_KEY_DH_1024
static int	SSL_TMP_KEY_DH_2048
static int	SSL_TMP_KEY_DH_4096
static int	SSL_TMP_KEY_DH_512
static int	SSL_TMP_KEY_MAX
static int	SSL_TMP_KEY_RSA_1024
static int	SSL_TMP_KEY_RSA_2048
static int	SSL_TMP_KEY_RSA_4096
static int	SSL_TMP_KEY_RSA_512
static int	SSL_VERIFY_CLIENT_ONCE
static int	SSL_VERIFY_FAIL_IF_NO_PEER_CERT
static int	SSL_VERIFY_NONE
static int	SSL_VERIFY_PEER
static int	SSL_VERIFY_PEER_STRICT
static int	UNSET

Constructor Summary

SSL()

Method Summary

static int	closeBIO(long bio) Close BIO and dereference callback object
static int	fipsModeSet(int mode) Enable/Disable FIPS Mode.
static boolean	generateRSATempKey(int idx) Generate temporary RSA key.
static String	getLastError() Return last SSL error string
static boolean	hasOp(int op) Return true if SSL_OP_ if defined.
static int	initialize(String engine) Initialize OpenSSL support.
static boolean	loadDSATempKey(int idx, String file) Load temporary DSA key from file Index can be one of: SSL_TMP_KEY_DH_512 SSL_TMP_KEY_DH_1024 SSL_TMP_KEY_DH_2048 SSL_TMP_KEY_DH_4096
static long	newBIO(long pool, BIOCallback callback) Initialize new BIO
static boolean	randLoad(String filename) Add content of the file to the PRNG
static boolean	randMake(String filename, int len, boolean base64) Creates random data to filename
static boolean	randSave(String filename) Writes a number of random bytes (currently 1024) to file filename which can be used to initialize the PRNG by calling randLoad in a later session.
static void	randSet(String filename) Sets global random filename.
static void	setPassword(String password) Set global Password for decrypting certificates and keys.
static void	setPasswordCallback(PasswordCallback callback) Set global Password callback for obtaining passwords.
static int	version()
static String	versionString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

UNSET

public static final int UNSET

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Constant Field Values

SSL_ALGO_UNKNOWN

public static final int SSL_ALGO_UNKNOWN

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Constant Field Values

SSL_ALGO_RSA

public static final int SSL_ALGO_RSA

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Constant Field Values

SSL_ALGO_DSA

public static final int SSL_ALGO_DSA

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Constant Field Values

SSL_ALGO_ALL

public static final int SSL_ALGO_ALL

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Constant Field Values

SSL_AIDX_RSA

public static final int SSL_AIDX_RSA

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Constant Field Values

SSL_AIDX_DSA

public static final int SSL_AIDX_DSA

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Constant Field Values

SSL_AIDX_MAX

public static final int SSL_AIDX_MAX

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Constant Field Values

SSL_TMP_KEY_RSA_512

public static final int SSL_TMP_KEY_RSA_512

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Constant Field Values

SSL_TMP_KEY_RSA_1024

public static final int SSL_TMP_KEY_RSA_1024

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SSL_TMP_KEY_RSA_2048

public static final int SSL_TMP_KEY_RSA_2048

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SSL_TMP_KEY_RSA_4096

public static final int SSL_TMP_KEY_RSA_4096

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SSL_TMP_KEY_DH_512

public static final int SSL_TMP_KEY_DH_512

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SSL_TMP_KEY_DH_1024

public static final int SSL_TMP_KEY_DH_1024

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SSL_TMP_KEY_DH_2048

public static final int SSL_TMP_KEY_DH_2048

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SSL_TMP_KEY_DH_4096

public static final int SSL_TMP_KEY_DH_4096

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SSL_TMP_KEY_MAX

public static final int SSL_TMP_KEY_MAX

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Constant Field Values

SSL_OPT_NONE

public static final int SSL_OPT_NONE

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Constant Field Values

SSL_OPT_RELSET

public static final int SSL_OPT_RELSET

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Constant Field Values

SSL_OPT_STDENVVARS

public static final int SSL_OPT_STDENVVARS

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Constant Field Values

SSL_OPT_EXPORTCERTDATA

public static final int SSL_OPT_EXPORTCERTDATA

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SSL_OPT_FAKEBASICAUTH

public static final int SSL_OPT_FAKEBASICAUTH

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SSL_OPT_STRICTREQUIRE

public static final int SSL_OPT_STRICTREQUIRE

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SSL_OPT_OPTRENEGOTIATE

public static final int SSL_OPT_OPTRENEGOTIATE

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SSL_OPT_ALL

public static final int SSL_OPT_ALL

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Constant Field Values

SSL_PROTOCOL_NONE

public static final int SSL_PROTOCOL_NONE

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SSL_PROTOCOL_SSLV2

public static final int SSL_PROTOCOL_SSLV2

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SSL_PROTOCOL_SSLV3

public static final int SSL_PROTOCOL_SSLV3

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SSL_PROTOCOL_TLSV1

public static final int SSL_PROTOCOL_TLSV1

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SSL_PROTOCOL_ALL

public static final int SSL_PROTOCOL_ALL

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SSL_CVERIFY_UNSET

public static final int SSL_CVERIFY_UNSET

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SSL_CVERIFY_NONE

public static final int SSL_CVERIFY_NONE

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SSL_CVERIFY_OPTIONAL

public static final int SSL_CVERIFY_OPTIONAL

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SSL_CVERIFY_REQUIRE

public static final int SSL_CVERIFY_REQUIRE

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Constant Field Values

SSL_CVERIFY_OPTIONAL_NO_CA

public static final int SSL_CVERIFY_OPTIONAL_NO_CA

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Constant Field Values

SSL_VERIFY_NONE

public static final int SSL_VERIFY_NONE

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Constant Field Values

SSL_VERIFY_PEER

public static final int SSL_VERIFY_PEER

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Constant Field Values

SSL_VERIFY_FAIL_IF_NO_PEER_CERT

public static final int SSL_VERIFY_FAIL_IF_NO_PEER_CERT

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SSL_VERIFY_CLIENT_ONCE

public static final int SSL_VERIFY_CLIENT_ONCE

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SSL_VERIFY_PEER_STRICT

public static final int SSL_VERIFY_PEER_STRICT

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SSL_OP_MICROSOFT_SESS_ID_BUG

public static final int SSL_OP_MICROSOFT_SESS_ID_BUG

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SSL_OP_NETSCAPE_CHALLENGE_BUG

public static final int SSL_OP_NETSCAPE_CHALLENGE_BUG

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SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG

public static final int SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG

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SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG

public static final int SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG

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SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER

public static final int SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER

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SSL_OP_MSIE_SSLV2_RSA_PADDING

public static final int SSL_OP_MSIE_SSLV2_RSA_PADDING

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SSL_OP_SSLEAY_080_CLIENT_DH_BUG

public static final int SSL_OP_SSLEAY_080_CLIENT_DH_BUG

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Constant Field Values

SSL_OP_TLS_D5_BUG

public static final int SSL_OP_TLS_D5_BUG

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Constant Field Values

SSL_OP_TLS_BLOCK_PADDING_BUG

public static final int SSL_OP_TLS_BLOCK_PADDING_BUG

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Constant Field Values

SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS

public static final int SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS

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SSL_OP_ALL

public static final int SSL_OP_ALL

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SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION

public static final int SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION

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SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION

public static final int SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION

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SSL_OP_SINGLE_ECDH_USE

public static final int SSL_OP_SINGLE_ECDH_USE

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SSL_OP_SINGLE_DH_USE

public static final int SSL_OP_SINGLE_DH_USE

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SSL_OP_EPHEMERAL_RSA

public static final int SSL_OP_EPHEMERAL_RSA

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SSL_OP_CIPHER_SERVER_PREFERENCE

public static final int SSL_OP_CIPHER_SERVER_PREFERENCE

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SSL_OP_TLS_ROLLBACK_BUG

public static final int SSL_OP_TLS_ROLLBACK_BUG

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SSL_OP_NO_SSLv2

public static final int SSL_OP_NO_SSLv2

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SSL_OP_NO_SSLv3

public static final int SSL_OP_NO_SSLv3

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SSL_OP_NO_TLSv1

public static final int SSL_OP_NO_TLSv1

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SSL_OP_PKCS1_CHECK_1

public static final int SSL_OP_PKCS1_CHECK_1

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SSL_OP_PKCS1_CHECK_2

public static final int SSL_OP_PKCS1_CHECK_2

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SSL_OP_NETSCAPE_CA_DN_BUG

public static final int SSL_OP_NETSCAPE_CA_DN_BUG

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SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG

public static final int SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG

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Constant Field Values

SSL_CRT_FORMAT_UNDEF

public static final int SSL_CRT_FORMAT_UNDEF

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SSL_CRT_FORMAT_ASN1

public static final int SSL_CRT_FORMAT_ASN1

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SSL_CRT_FORMAT_TEXT

public static final int SSL_CRT_FORMAT_TEXT

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SSL_CRT_FORMAT_PEM

public static final int SSL_CRT_FORMAT_PEM

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SSL_CRT_FORMAT_NETSCAPE

public static final int SSL_CRT_FORMAT_NETSCAPE

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SSL_CRT_FORMAT_PKCS12

public static final int SSL_CRT_FORMAT_PKCS12

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SSL_CRT_FORMAT_SMIME

public static final int SSL_CRT_FORMAT_SMIME

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SSL_CRT_FORMAT_ENGINE

public static final int SSL_CRT_FORMAT_ENGINE

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Constant Field Values

SSL_MODE_CLIENT

public static final int SSL_MODE_CLIENT

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Constant Field Values

SSL_MODE_SERVER

public static final int SSL_MODE_SERVER

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SSL_MODE_COMBINED

public static final int SSL_MODE_COMBINED

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SSL_SHUTDOWN_TYPE_UNSET

public static final int SSL_SHUTDOWN_TYPE_UNSET

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SSL_SHUTDOWN_TYPE_STANDARD

public static final int SSL_SHUTDOWN_TYPE_STANDARD

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SSL_SHUTDOWN_TYPE_UNCLEAN

public static final int SSL_SHUTDOWN_TYPE_UNCLEAN

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SSL_SHUTDOWN_TYPE_ACCURATE

public static final int SSL_SHUTDOWN_TYPE_ACCURATE

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Constant Field Values

SSL_INFO_SESSION_ID

public static final int SSL_INFO_SESSION_ID

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Constant Field Values

SSL_INFO_CIPHER

public static final int SSL_INFO_CIPHER

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Constant Field Values

SSL_INFO_CIPHER_USEKEYSIZE

public static final int SSL_INFO_CIPHER_USEKEYSIZE

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Constant Field Values

SSL_INFO_CIPHER_ALGKEYSIZE

public static final int SSL_INFO_CIPHER_ALGKEYSIZE

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Constant Field Values

SSL_INFO_CIPHER_VERSION

public static final int SSL_INFO_CIPHER_VERSION

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SSL_INFO_CIPHER_DESCRIPTION

public static final int SSL_INFO_CIPHER_DESCRIPTION

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Constant Field Values

SSL_INFO_PROTOCOL

public static final int SSL_INFO_PROTOCOL

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Constant Field Values

SSL_INFO_CLIENT_S_DN

public static final int SSL_INFO_CLIENT_S_DN

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Constant Field Values

SSL_INFO_CLIENT_I_DN

public static final int SSL_INFO_CLIENT_I_DN

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Constant Field Values

SSL_INFO_SERVER_S_DN

public static final int SSL_INFO_SERVER_S_DN

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Constant Field Values

SSL_INFO_SERVER_I_DN

public static final int SSL_INFO_SERVER_I_DN

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Constant Field Values

SSL_INFO_DN_COUNTRYNAME

public static final int SSL_INFO_DN_COUNTRYNAME

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Constant Field Values

SSL_INFO_DN_STATEORPROVINCENAME

public static final int SSL_INFO_DN_STATEORPROVINCENAME

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Constant Field Values

SSL_INFO_DN_LOCALITYNAME

public static final int SSL_INFO_DN_LOCALITYNAME

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Constant Field Values

SSL_INFO_DN_ORGANIZATIONNAME

public static final int SSL_INFO_DN_ORGANIZATIONNAME

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Constant Field Values

SSL_INFO_DN_ORGANIZATIONALUNITNAME

public static final int SSL_INFO_DN_ORGANIZATIONALUNITNAME

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Constant Field Values

SSL_INFO_DN_COMMONNAME

public static final int SSL_INFO_DN_COMMONNAME

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Constant Field Values

SSL_INFO_DN_TITLE

public static final int SSL_INFO_DN_TITLE

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Constant Field Values

SSL_INFO_DN_INITIALS

public static final int SSL_INFO_DN_INITIALS

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Constant Field Values

SSL_INFO_DN_GIVENNAME

public static final int SSL_INFO_DN_GIVENNAME

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Constant Field Values

SSL_INFO_DN_SURNAME

public static final int SSL_INFO_DN_SURNAME

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Constant Field Values

SSL_INFO_DN_DESCRIPTION

public static final int SSL_INFO_DN_DESCRIPTION

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Constant Field Values

SSL_INFO_DN_UNIQUEIDENTIFIER

public static final int SSL_INFO_DN_UNIQUEIDENTIFIER

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SSL_INFO_DN_EMAILADDRESS

public static final int SSL_INFO_DN_EMAILADDRESS

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SSL_INFO_CLIENT_M_VERSION

public static final int SSL_INFO_CLIENT_M_VERSION

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SSL_INFO_CLIENT_M_SERIAL

public static final int SSL_INFO_CLIENT_M_SERIAL

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Constant Field Values

SSL_INFO_CLIENT_V_START

public static final int SSL_INFO_CLIENT_V_START

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SSL_INFO_CLIENT_V_END

public static final int SSL_INFO_CLIENT_V_END

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Constant Field Values

SSL_INFO_CLIENT_A_SIG

public static final int SSL_INFO_CLIENT_A_SIG

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Constant Field Values

SSL_INFO_CLIENT_A_KEY

public static final int SSL_INFO_CLIENT_A_KEY

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Constant Field Values

SSL_INFO_CLIENT_CERT

public static final int SSL_INFO_CLIENT_CERT

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Constant Field Values

SSL_INFO_CLIENT_V_REMAIN

public static final int SSL_INFO_CLIENT_V_REMAIN

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SSL_INFO_SERVER_M_VERSION

public static final int SSL_INFO_SERVER_M_VERSION

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SSL_INFO_SERVER_M_SERIAL

public static final int SSL_INFO_SERVER_M_SERIAL

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Constant Field Values

SSL_INFO_SERVER_V_START

public static final int SSL_INFO_SERVER_V_START

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SSL_INFO_SERVER_V_END

public static final int SSL_INFO_SERVER_V_END

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SSL_INFO_SERVER_A_SIG

public static final int SSL_INFO_SERVER_A_SIG

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SSL_INFO_SERVER_A_KEY

public static final int SSL_INFO_SERVER_A_KEY

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SSL_INFO_SERVER_CERT

public static final int SSL_INFO_SERVER_CERT

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SSL_INFO_CLIENT_CERT_CHAIN

public static final int SSL_INFO_CLIENT_CERT_CHAIN

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Constant Field Values

Constructor Detail

SSL

public SSL()

Method Detail

version

public static int version()

versionString

public static String versionString()

initialize

public static int initialize(String engine)

Initialize OpenSSL support. This function needs to be called once for the lifetime of JVM. Library.init() has to be called before.

Parameters:

engine - Support for external a Crypto Device ("engine"), usually a hardware accelerator card for crypto operations.

Returns:

APR status code

fipsModeSet

public static int fipsModeSet(int mode)

Enable/Disable FIPS Mode.

Parameters:

mode - 1 - enable, 0 - disable

Returns:

FIPS_mode_set return code

randLoad

public static boolean randLoad(String filename)

Add content of the file to the PRNG

Parameters:

filename - Filename containing random data. If null the default file will be tested. The seed file is $RANDFILE if that environment variable is set, $HOME/.rnd otherwise. In case both files are unavailable builtin random seed generator is used.

randSave

public static boolean randSave(String filename)

Writes a number of random bytes (currently 1024) to file filename which can be used to initialize the PRNG by calling randLoad in a later session.

Parameters:

filename - Filename to save the data

randMake

public static boolean randMake(String filename,
                               int len,
                               boolean base64)

Creates random data to filename

Parameters:

filename - Filename to save the data

len - The length of random sequence in bytes

base64 - Output the data in Base64 encoded format

randSet

public static void randSet(String filename)

Sets global random filename.

Parameters:

filename - Filename to use. If set it will be used for SSL initialization and all contexts where explicitly not set.

newBIO

public static long newBIO(long pool,
                          BIOCallback callback)
                   throws Exception

Initialize new BIO

Parameters:

pool - The pool to use.

callback - BIOCallback to use

Returns:

New BIO handle

Throws:

Exception

closeBIO

public static int closeBIO(long bio)

Close BIO and dereference callback object

Parameters:

bio - BIO to close and destroy.

Returns:

APR Status code

setPasswordCallback

public static void setPasswordCallback(PasswordCallback callback)

Set global Password callback for obtaining passwords.

Parameters:

callback - PasswordCallback implementation to use.

setPassword

public static void setPassword(String password)

Set global Password for decrypting certificates and keys.

Parameters:

password - Password to use.

generateRSATempKey

public static boolean generateRSATempKey(int idx)

Generate temporary RSA key.
Index can be one of:

 SSL_TMP_KEY_RSA_512
 SSL_TMP_KEY_RSA_1024
 SSL_TMP_KEY_RSA_2048
 SSL_TMP_KEY_RSA_4096
 

By default 512 and 1024 keys are generated on startup. You can use a low priority thread to generate them on the fly.

Parameters:

idx - temporary key index.

loadDSATempKey

public static boolean loadDSATempKey(int idx,
                                     String file)

Load temporary DSA key from file
Index can be one of:

 SSL_TMP_KEY_DH_512
 SSL_TMP_KEY_DH_1024
 SSL_TMP_KEY_DH_2048
 SSL_TMP_KEY_DH_4096
 

Parameters:

idx - temporary key index.

file - File containing DH params.

getLastError

public static String getLastError()

Return last SSL error string

hasOp

public static boolean hasOp(int op)

Return true if SSL_OP_ if defined.

Currently used for testing weather the SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION is supported by OpenSSL.

Parameters:

op - SSL_OP to test.

Returns:

true if SSL_OP is supported by OpenSSL library.