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ssl_openssl_lib.pas
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ssl_openssl_lib.pas
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{==============================================================================|
| Project : Ararat Synapse | 003.009.000 |
|==============================================================================|
| Content: SSL support by OpenSSL |
|==============================================================================|
| Copyright (c)1999-2017, Lukas Gebauer |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| |
| Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| Neither the name of Lukas Gebauer nor the names of its contributors may |
| be used to endorse or promote products derived from this software without |
| specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| DAMAGE. |
|==============================================================================|
| The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
| Portions created by Lukas Gebauer are Copyright (c)2002-2017. |
| Portions created by Petr Fejfar are Copyright (c)2011-2012. |
| Portions created by Pepak are Copyright (c)2018. |
| All Rights Reserved. |
|==============================================================================|
| Contributor(s): |
| Tomas Hajny (OS2 support) |
| Pepak (multiversion support) |
|==============================================================================|
| History: see HISTORY.HTM from distribution package |
| (Found at URL: http://www.ararat.cz/synapse/) |
|==============================================================================}
{
Special thanks to Gregor Ibic <[email protected]>
(Intelicom d.o.o., http://www.intelicom.si)
for good inspiration about begin with SSL programming.
}
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$H+}
{$IFDEF VER125}
{$DEFINE BCB}
{$ENDIF}
{$IFDEF BCB}
{$ObjExportAll On}
(*$HPPEMIT 'namespace ssl_openssl_lib { using System::Shortint; }' *)
{$ENDIF}
//old Delphi does not have MSWINDOWS define.
{$IFDEF WIN32}
{$IFNDEF MSWINDOWS}
{$DEFINE MSWINDOWS}
{$ENDIF}
{$ENDIF}
{:@abstract(OpenSSL support)
This unit is Pascal interface to OpenSSL library (used by @link(ssl_openssl) unit).
OpenSSL is loaded dynamicly on-demand. If this library is not found in system,
requested OpenSSL function just return errorcode.
}
unit ssl_openssl_lib;
interface
{$IFDEF IOS}
{$DEFINE STATIC}
{$ENDIF}
uses
{$IFDEF CIL}
System.Runtime.InteropServices,
System.Text,
{$ENDIF}
Classes,
synafpc,
synabyte,
{$IFNDEF MSWINDOWS}
{$IFDEF FPC}
{$IFDEF UNIX}
BaseUnix,
{$ENDIF UNIX}
{$ELSE}
{$ENDIF}
SysUtils;
{$ELSE}
SysUtils,
Windows;
{$ENDIF}
{$IFDEF CIL}
const
{$IFDEF LINUX}
DLLSSLName = 'libssl.so';
DLLUtilName = 'libcrypto.so';
{$ELSE}
DLLSSLName = 'ssleay32.dll';
DLLUtilName = 'libeay32.dll';
{$ENDIF}
{$ELSE}
var
{$IFNDEF MSWINDOWS}
{$IFDEF DARWIN}
DLLSSLName: string = 'libssl.dylib';
DLLUtilName: string = 'libcrypto.dylib';
{$ELSE}
{$IFDEF OS2}
{$IFDEF OS2GCC}
DLLSSLName: string = 'kssl.dll';
DLLUtilName: string = 'kcrypto.dll';
{$ELSE OS2GCC}
DLLSSLName: string = 'ssl.dll';
DLLUtilName: string = 'crypto.dll';
{$ENDIF OS2GCC}
{$ELSE OS2}
DLLSSLName: string = 'libssl.so';
DLLUtilName: string = 'libcrypto.so';
{$ENDIF OS2}
{$ENDIF}
{$ELSE}
DLLSSLName: string = 'ssleay32.dll';
DLLSSLName2: string = 'libssl32.dll';
DLLUtilName: string = 'libeay32.dll';
{$ENDIF}
{$IFDEF MSWINDOWS}
const
LibCount = 5;
SSLLibNames: array[0..LibCount-1] of string = (
// OpenSSL v3.0
{$IFDEF WIN64}
'libssl-3-x64.dll',
{$ELSE}
'libssl-3.dll',
{$ENDIF}
// OpenSSL v1.1.x
{$IFDEF WIN64}
'libssl-1_1-x64.dll',
{$ELSE}
'libssl-1_1.dll',
{$ENDIF}
// OpenSSL v1.0.2 distinct names for x64 and x86
{$IFDEF WIN64}
'ssleay32-x64.dll',
{$ELSE}
'ssleay32-x86.dll',
{$ENDIF}
// OpenSSL v1.0.2
'ssleay32.dll',
// OpenSSL (ancient)
'libssl32.dll'
);
CryptoLibNames: array[0..LibCount-1] of string = (
// OpenSSL v3.0
{$IFDEF WIN64}
'libcrypto-3-x64.dll',
{$ELSE}
'libcrypto-3.dll',
{$ENDIF}
// OpenSSL v1.1.x
{$IFDEF WIN64}
'libcrypto-1_1-x64.dll',
{$ELSE}
'libcrypto-1_1.dll',
{$ENDIF}
// OpenSSL v1.0.2 distinct names for x64 and x86
{$IFDEF WIN64}
'libeay32-x64.dll',
{$ELSE}
'libeay32-x86.dll',
{$ENDIF}
// OpenSSL v1.0.2
'libeay32.dll',
// OpenSSL (ancient)
'libeay32.dll'
);
{$ENDIF}
{$ENDIF}
type
{$IFDEF CIL}
SslPtr = IntPtr;
{$ELSE}
SslPtr = Pointer;
{$ENDIF}
PSslPtr = ^SslPtr;
PSSL_CTX = SslPtr;
PSSL = SslPtr;
PSSL_METHOD = SslPtr;
PX509 = SslPtr;
PX509_NAME = SslPtr;
PEVP_MD = SslPtr;
PInteger = ^Integer;
PBIO_METHOD = SslPtr;
PBIO = SslPtr;
EVP_PKEY = SslPtr;
PRSA = SslPtr;
PASN1_UTCTIME = SslPtr;
PASN1_INTEGER = SslPtr;
PPasswdCb = SslPtr;
PFunction = procedure;
PSTACK = SslPtr; {pf}
TSkPopFreeFunc = procedure(p:SslPtr); cdecl; {pf}
TX509Free = procedure(x: PX509); cdecl; {pf}
DES_cblock = array[0..7] of Byte;
PDES_cblock = ^DES_cblock;
des_ks_struct = packed record
ks: DES_cblock;
weak_key: Integer;
end;
des_key_schedule = array[1..16] of des_ks_struct;
const
EVP_MAX_MD_SIZE = 16 + 20;
SSL_ERROR_NONE = 0;
SSL_ERROR_SSL = 1;
SSL_ERROR_WANT_READ = 2;
SSL_ERROR_WANT_WRITE = 3;
SSL_ERROR_WANT_X509_LOOKUP = 4;
SSL_ERROR_SYSCALL = 5; //look at error stack/return value/errno
SSL_ERROR_ZERO_RETURN = 6;
SSL_ERROR_WANT_CONNECT = 7;
SSL_ERROR_WANT_ACCEPT = 8;
SSL_OP_NO_SSLv2 = $01000000;
SSL_OP_NO_SSLv3 = $02000000;
SSL_OP_NO_TLSv1 = $04000000;
SSL_OP_ALL = $000FFFFF;
SSL_VERIFY_NONE = $00;
SSL_VERIFY_PEER = $01;
OPENSSL_DES_DECRYPT = 0;
OPENSSL_DES_ENCRYPT = 1;
X509_V_OK = 0;
X509_V_ILLEGAL = 1;
X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT = 2;
X509_V_ERR_UNABLE_TO_GET_CRL = 3;
X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE = 4;
X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE = 5;
X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY = 6;
X509_V_ERR_CERT_SIGNATURE_FAILURE = 7;
X509_V_ERR_CRL_SIGNATURE_FAILURE = 8;
X509_V_ERR_CERT_NOT_YET_VALID = 9;
X509_V_ERR_CERT_HAS_EXPIRED = 10;
X509_V_ERR_CRL_NOT_YET_VALID = 11;
X509_V_ERR_CRL_HAS_EXPIRED = 12;
X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD = 13;
X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD = 14;
X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD = 15;
X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD = 16;
X509_V_ERR_OUT_OF_MEM = 17;
X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT = 18;
X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN = 19;
X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY = 20;
X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE = 21;
X509_V_ERR_CERT_CHAIN_TOO_LONG = 22;
X509_V_ERR_CERT_REVOKED = 23;
X509_V_ERR_INVALID_CA = 24;
X509_V_ERR_PATH_LENGTH_EXCEEDED = 25;
X509_V_ERR_INVALID_PURPOSE = 26;
X509_V_ERR_CERT_UNTRUSTED = 27;
X509_V_ERR_CERT_REJECTED = 28;
//These are 'informational' when looking for issuer cert
X509_V_ERR_SUBJECT_ISSUER_MISMATCH = 29;
X509_V_ERR_AKID_SKID_MISMATCH = 30;
X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH = 31;
X509_V_ERR_KEYUSAGE_NO_CERTSIGN = 32;
X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER = 33;
X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION = 34;
//The application is not happy
X509_V_ERR_APPLICATION_VERIFICATION = 50;
SSL_FILETYPE_ASN1 = 2;
SSL_FILETYPE_PEM = 1;
EVP_PKEY_RSA = 6;
SSL_CTRL_SET_TLSEXT_HOSTNAME = 55;
TLSEXT_NAMETYPE_host_name = 0;
var
SSLLibHandle: TLibHandle = 0;
SSLUtilHandle: TLibHandle = 0;
SSLLibFile: string = '';
SSLUtilFile: string = '';
{$IFDEF CIL}
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_get_error')]
function SslGetError(s: PSSL; ret_code: Integer): Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_library_init')]
function SslLibraryInit: Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_load_error_strings')]
procedure SslLoadErrorStrings; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_set_cipher_list')]
function SslCtxSetCipherList(arg0: PSSL_CTX; var str: string): Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_new')]
function SslCtxNew(meth: PSSL_METHOD):PSSL_CTX; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_free')]
procedure SslCtxFree (arg0: PSSL_CTX); external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_set_fd')]
function SslSetFd(s: PSSL; fd: Integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSLv2_method')]
function SslMethodV2 : PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSLv3_method')]
function SslMethodV3 : PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'TLSv1_method')]
function SslMethodTLSV1:PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'TLSv1_1_method')]
function SslMethodTLSV11:PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'TLSv1_2_method')]
function SslMethodTLSV12:PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSLv23_method')]
function SslMethodV23 : PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'TLS_method')]
function SslMethodTLS : PSSL_METHOD; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_PrivateKey')]
function SslCtxUsePrivateKey(ctx: PSSL_CTX; pkey: SslPtr):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_PrivateKey_ASN1')]
function SslCtxUsePrivateKeyASN1(pk: integer; ctx: PSSL_CTX; d: string; len: integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_RSAPrivateKey_file')]
function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: string; _type: Integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_certificate')]
function SslCtxUseCertificate(ctx: PSSL_CTX; x: SslPtr):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_certificate_ASN1')]
function SslCtxUseCertificateASN1(ctx: PSSL_CTX; len: integer; d: string):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_certificate_file')]
function SslCtxUseCertificateFile(ctx: PSSL_CTX; const _file: string; _type: Integer):Integer;external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_use_certificate_chain_file')]
function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: string):Integer;external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_check_private_key')]
function SslCtxCheckPrivateKeyFile(ctx: PSSL_CTX):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_set_default_passwd_cb')]
procedure SslCtxSetDefaultPasswdCb(ctx: PSSL_CTX; cb: PPasswdCb); external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_set_default_passwd_cb_userdata')]
procedure SslCtxSetDefaultPasswdCbUserdata(ctx: PSSL_CTX; u: IntPtr); external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_load_verify_locations')]
function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; CAfile: string; CApath: string):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_ctrl')]
function SslCtxCtrl(ctx: PSSL_CTX; cmd: integer; larg: integer; parg: IntPtr): integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_new')]
function SslNew(ctx: PSSL_CTX):PSSL; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_free')]
procedure SslFree(ssl: PSSL); external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_accept')]
function SslAccept(ssl: PSSL):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_connect')]
function SslConnect(ssl: PSSL):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_shutdown')]
function SslShutdown(s: PSSL):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_read')]
function SslRead(ssl: PSSL; buf: StringBuilder; num: Integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_peek')]
function SslPeek(ssl: PSSL; buf: StringBuilder; num: Integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_write')]
function SslWrite(ssl: PSSL; buf: string; num: Integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_pending')]
function SslPending(ssl: PSSL):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_get_version')]
function SslGetVersion(ssl: PSSL):string; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_get_peer_certificate')]
function SslGetPeerCertificate(s: PSSL):PX509; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CTX_set_verify')]
procedure SslCtxSetVerify(ctx: PSSL_CTX; mode: Integer; arg2: PFunction); external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_get_current_cipher')]
function SSLGetCurrentCipher(s: PSSL): SslPtr; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CIPHER_get_name')]
function SSLCipherGetName(c: SslPtr):string; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_CIPHER_get_bits')]
function SSLCipherGetBits(c: SslPtr; var alg_bits: Integer):Integer; external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_get_verify_result')]
function SSLGetVerifyResult(ssl: PSSL):Integer;external;
[DllImport(DLLSSLName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSL_ctrl')]
function SslCtrl(ssl: PSSL; cmd: integer; larg: integer; parg: IntPtr): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_new')]
function X509New: PX509; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_free')]
procedure X509Free(x: PX509); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_NAME_oneline')]
function X509NameOneline(a: PX509_NAME; buf: StringBuilder; size: Integer): string; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_get_subject_name')]
function X509GetSubjectName(a: PX509):PX509_NAME; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_get_issuer_name')]
function X509GetIssuerName(a: PX509):PX509_NAME; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_NAME_hash')]
function X509NameHash(x: PX509_NAME):Cardinal; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_digest')]
function X509Digest (data: PX509; _type: PEVP_MD; md: StringBuilder; var len: Integer):Integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_set_version')]
function X509SetVersion(x: PX509; version: integer): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_set_pubkey')]
function X509SetPubkey(x: PX509; pkey: EVP_PKEY): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_set_issuer_name')]
function X509SetIssuerName(x: PX509; name: PX509_NAME): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_NAME_add_entry_by_txt')]
function X509NameAddEntryByTxt(name: PX509_NAME; field: string; _type: integer;
bytes: string; len, loc, _set: integer): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_sign')]
function X509Sign(x: PX509; pkey: EVP_PKEY; const md: PEVP_MD): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_print')]
function X509print(b: PBIO; a: PX509): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_gmtime_adj')]
function X509GmtimeAdj(s: PASN1_UTCTIME; adj: integer): PASN1_UTCTIME; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_set_notBefore')]
function X509SetNotBefore(x: PX509; tm: PASN1_UTCTIME): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_set_notAfter')]
function X509SetNotAfter(x: PX509; tm: PASN1_UTCTIME): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'X509_get_serialNumber')]
function X509GetSerialNumber(x: PX509): PASN1_INTEGER; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'EVP_PKEY_new')]
function EvpPkeyNew: EVP_PKEY; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'EVP_PKEY_free')]
procedure EvpPkeyFree(pk: EVP_PKEY); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'EVP_PKEY_assign')]
function EvpPkeyAssign(pkey: EVP_PKEY; _type: integer; key: Prsa): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'EVP_get_digestbyname')]
function EvpGetDigestByName(Name: string): PEVP_MD; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'EVP_cleanup')]
procedure EVPcleanup; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'SSLeay_version')]
function SSLeayversion(t: integer): string; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ERR_error_string_n')]
procedure ErrErrorString(e: integer; buf: StringBuilder; len: integer); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ERR_get_error')]
function ErrGetError: integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ERR_clear_error')]
procedure ErrClearError; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ERR_free_strings')]
procedure ErrFreeStrings; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ERR_remove_state')]
procedure ErrRemoveState(pid: integer); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'OPENSSL_add_all_algorithms_noconf')]
procedure OPENSSLaddallalgorithms; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'CRYPTO_cleanup_all_ex_data')]
procedure CRYPTOcleanupAllExData; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'RAND_screen')]
procedure RandScreen; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'BIO_new')]
function BioNew(b: PBIO_METHOD): PBIO; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'BIO_free_all')]
procedure BioFreeAll(b: PBIO); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'BIO_s_mem')]
function BioSMem: PBIO_METHOD; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'BIO_ctrl_pending')]
function BioCtrlPending(b: PBIO): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'BIO_read')]
function BioRead(b: PBIO; Buf: StringBuilder; Len: integer): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'BIO_write')]
function BioWrite(b: PBIO; var Buf: string; Len: integer): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'd2i_PKCS12_bio')]
function d2iPKCS12bio(b:PBIO; Pkcs12: SslPtr): SslPtr; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'PKCS12_parse')]
function PKCS12parse(p12: SslPtr; pass: string; var pkey, cert, ca: SslPtr): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'PKCS12_free')]
procedure PKCS12free(p12: SslPtr); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'RSA_generate_key')]
function RsaGenerateKey(bits, e: integer; callback: PFunction; cb_arg: SslPtr): PRSA; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ASN1_UTCTIME_new')]
function Asn1UtctimeNew: PASN1_UTCTIME; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ASN1_UTCTIME_free')]
procedure Asn1UtctimeFree(a: PASN1_UTCTIME); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'ASN1_INTEGER_set')]
function Asn1IntegerSet(a: PASN1_INTEGER; v: integer): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'i2d_X509_bio')]
function i2dX509bio(b: PBIO; x: PX509): integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'i2d_PrivateKey_bio')]
function i2dPrivateKeyBio(b: PBIO; pkey: EVP_PKEY): integer; external;
// 3DES functions
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'DES_set_odd_parity')]
procedure DESsetoddparity(Key: des_cblock); external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'DES_set_key_checked')]
function DESsetkeychecked(key: des_cblock; schedule: des_key_schedule): Integer; external;
[DllImport(DLLUtilName, CharSet = CharSet.Ansi,
SetLastError = False, CallingConvention= CallingConvention.cdecl,
EntryPoint = 'DES_ecb_encrypt')]
procedure DESecbencrypt(Input: des_cblock; output: des_cblock; ks: des_key_schedule; enc: Integer); external;
{$ELSE}
// libssl.dll
function SslGetError(s: PSSL; ret_code: Integer):Integer;
function SslLibraryInit:Integer;
procedure SslLoadErrorStrings;
// function SslCtxSetCipherList(arg0: PSSL_CTX; str: PChar):Integer;
function SslCtxSetCipherList(arg0: PSSL_CTX; str: PByte):Integer;
function SslCtxNew(meth: PSSL_METHOD):PSSL_CTX;
procedure SslCtxFree(arg0: PSSL_CTX);
function SslSetFd(s: PSSL; fd: Integer):Integer;
function SslMethodV2:PSSL_METHOD;
function SslMethodV3:PSSL_METHOD;
function SslMethodTLSV1:PSSL_METHOD;
function SslMethodTLSV11:PSSL_METHOD;
function SslMethodTLSV12:PSSL_METHOD;
function SslMethodV23:PSSL_METHOD;
function SslMethodTLS:PSSL_METHOD;
function SslCtxUsePrivateKey(ctx: PSSL_CTX; pkey: SslPtr):Integer;
function SslCtxUsePrivateKeyASN1(pk: integer; ctx: PSSL_CTX; d: TSynaBytes; len: integer):Integer;
// function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: PChar; _type: Integer):Integer;
function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: TSynaBytes; _type: Integer):Integer;
function SslCtxUseCertificate(ctx: PSSL_CTX; x: SslPtr):Integer;
function SslCtxUseCertificateASN1(ctx: PSSL_CTX; len: integer; d: TSynaBytes):Integer;
function SslCtxUseCertificateFile(ctx: PSSL_CTX; const _file: TSynaBytes; _type: Integer):Integer;
// function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: PChar):Integer;
function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: TSynaBytes):Integer;
function SslCtxCheckPrivateKeyFile(ctx: PSSL_CTX):Integer;
procedure SslCtxSetDefaultPasswdCb(ctx: PSSL_CTX; cb: PPasswdCb);
procedure SslCtxSetDefaultPasswdCbUserdata(ctx: PSSL_CTX; u: SslPtr);
// function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; const CAfile: PChar; const CApath: PChar):Integer;
function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; const CAfile: TSynaBytes; const CApath: TSynaBytes):Integer;
function SslCtxCtrl(ctx: PSSL_CTX; cmd: integer; larg: integer; parg: SslPtr): integer;
function SslNew(ctx: PSSL_CTX):PSSL;
procedure SslFree(ssl: PSSL);
function SslAccept(ssl: PSSL):Integer;
function SslConnect(ssl: PSSL):Integer;
function SslShutdown(ssl: PSSL):Integer;
function SslRead(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
function SslPeek(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
function SslWrite(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
function SslPending(ssl: PSSL):Integer;
function SslGetVersion(ssl: PSSL):string;
function SslGetPeerCertificate(ssl: PSSL):PX509;
procedure SslCtxSetVerify(ctx: PSSL_CTX; mode: Integer; arg2: PFunction);
function SSLGetCurrentCipher(s: PSSL):SslPtr;
function SSLCipherGetName(c: SslPtr): string;
function SSLCipherGetBits(c: SslPtr; var alg_bits: Integer):Integer;
function SSLGetVerifyResult(ssl: PSSL):Integer;
function SSLCtrl(ssl: PSSL; cmd: integer; larg: integer; parg: SslPtr):Integer;
// libeay.dll
function X509New: PX509;
procedure X509Free(x: PX509);
function X509NameOneline(a: PX509_NAME; buf: PByte; size: Integer): string;
function X509GetSubjectName(a: PX509):PX509_NAME;
function X509GetIssuerName(a: PX509):PX509_NAME;
function X509NameHash(x: PX509_NAME):Cardinal;
// function SslX509Digest(data: PX509; _type: PEVP_MD; md: PChar; len: PInteger):Integer;
function X509Digest(data: PX509; _type: PEVP_MD; md: TSynaBytes; var len: Integer):Integer;
function X509print(b: PBIO; a: PX509): integer;
function X509SetVersion(x: PX509; version: integer): integer;
function X509SetPubkey(x: PX509; pkey: EVP_PKEY): integer;
function X509SetIssuerName(x: PX509; name: PX509_NAME): integer;
function X509NameAddEntryByTxt(name: PX509_NAME; field: TSynaBytes; _type: integer;
bytes: TSynaBytes; len, loc, _set: integer): integer;
function X509Sign(x: PX509; pkey: EVP_PKEY; const md: PEVP_MD): integer;
function X509GmtimeAdj(s: PASN1_UTCTIME; adj: integer): PASN1_UTCTIME;
function X509SetNotBefore(x: PX509; tm: PASN1_UTCTIME): integer;
function X509SetNotAfter(x: PX509; tm: PASN1_UTCTIME): integer;
function X509GetSerialNumber(x: PX509): PASN1_INTEGER;
function EvpPkeyNew: EVP_PKEY;
procedure EvpPkeyFree(pk: EVP_PKEY);
function EvpPkeyAssign(pkey: EVP_PKEY; _type: integer; key: Prsa): integer;
function EvpGetDigestByName(Name: TSynaBytes): PEVP_MD;
procedure EVPcleanup;
// function ErrErrorString(e: integer; buf: PChar): PChar;
function SSLeayversion(t: integer): string;
function OpenSSLversion(t: integer): string;
procedure ErrErrorString(e: integer; var buf: TSynaBytes; len: integer);
function ErrGetError: integer;
procedure ErrClearError;
procedure ErrFreeStrings;
procedure ErrRemoveState(pid: integer);
procedure OPENSSLaddallalgorithms;
procedure CRYPTOcleanupAllExData;
procedure RandScreen;
function BioNew(b: PBIO_METHOD): PBIO;
procedure BioFreeAll(b: PBIO);
function BioSMem: PBIO_METHOD;
function BioCtrlPending(b: PBIO): integer;
function BioRead(b: PBIO; Buf: PByte; Len: integer): integer;
function BioWrite(b: PBIO; Buf: PByte; Len: integer): integer;
function d2iPKCS12bio(b:PBIO; Pkcs12: SslPtr): SslPtr;
function PKCS12parse(p12: SslPtr; pass: TSynaBytes; var pkey, cert, ca: SslPtr): integer;
procedure PKCS12free(p12: SslPtr);
function RsaGenerateKey(bits, e: integer; callback: PFunction; cb_arg: SslPtr): PRSA;
function Asn1UtctimeNew: PASN1_UTCTIME;
procedure Asn1UtctimeFree(a: PASN1_UTCTIME);
function Asn1IntegerSet(a: PASN1_INTEGER; v: integer): integer;
function Asn1IntegerGet(a: PASN1_INTEGER): integer; {pf}
function i2dX509bio(b: PBIO; x: PX509): integer;
function d2iX509bio(b:PBIO; x:PX509): PX509; {pf}
function PEMReadBioX509(b:PBIO; {var x:PX509;}x:PSslPtr; callback:PFunction; cb_arg: SslPtr): PX509; {pf}
procedure SkX509PopFree(st: PSTACK; func: TSkPopFreeFunc); {pf}
function i2dPrivateKeyBio(b: PBIO; pkey: EVP_PKEY): integer;
// 3DES functions
procedure DESsetoddparity(Key: des_cblock);
function DESsetkeychecked(key: des_cblock; schedule: des_key_schedule): Integer;
procedure DESecbencrypt(Input: des_cblock; output: des_cblock; ks: des_key_schedule; enc: Integer);
{$ENDIF}
function IsSSLloaded: Boolean;
function InitSSLInterface: Boolean;
function DestroySSLInterface: Boolean;
var
_X509Free: TX509Free = nil; {pf}
implementation
uses
{$IFDEF OS2}
Sockets,
{$ENDIF OS2}
SyncObjs;
{$IFNDEF CIL}
{$IFNDEF STATIC}
type
// libssl.dll
TSslGetError = function(s: PSSL; ret_code: Integer):Integer; cdecl;
TSslLibraryInit = function:Integer; cdecl;
TSslLoadErrorStrings = procedure; cdecl;
TSslCtxSetCipherList = function(arg0: PSSL_CTX; str: PByte):Integer; cdecl;
TSslCtxNew = function(meth: PSSL_METHOD):PSSL_CTX; cdecl;
TSslCtxFree = procedure(arg0: PSSL_CTX); cdecl;
TSslSetFd = function(s: PSSL; fd: Integer):Integer; cdecl;
TSslMethodV2 = function:PSSL_METHOD; cdecl;
TSslMethodV3 = function:PSSL_METHOD; cdecl;
TSslMethodTLSV1 = function:PSSL_METHOD; cdecl;
TSslMethodTLSV11 = function:PSSL_METHOD; cdecl;
TSslMethodTLSV12 = function:PSSL_METHOD; cdecl;
TSslMethodV23 = function:PSSL_METHOD; cdecl;
TSslMethodTLS = function:PSSL_METHOD; cdecl;
TSslCtxUsePrivateKey = function(ctx: PSSL_CTX; pkey: sslptr):Integer; cdecl;
TSslCtxUsePrivateKeyASN1 = function(pk: integer; ctx: PSSL_CTX; d: sslptr; len: integer):Integer; cdecl;
TSslCtxUsePrivateKeyFile = function(ctx: PSSL_CTX; const _file: PByte; _type: Integer):Integer; cdecl;
TSslCtxUseCertificate = function(ctx: PSSL_CTX; x: SslPtr):Integer; cdecl;
TSslCtxUseCertificateASN1 = function(ctx: PSSL_CTX; len: Integer; d: SslPtr):Integer; cdecl;
TSslCtxUseCertificateFile = function(ctx: PSSL_CTX; const _file: PByte; _type: Integer):Integer; cdecl;
TSslCtxUseCertificateChainFile = function(ctx: PSSL_CTX; const _file: PByte):Integer; cdecl;
TSslCtxCheckPrivateKeyFile = function(ctx: PSSL_CTX):Integer; cdecl;
TSslCtxSetDefaultPasswdCb = procedure(ctx: PSSL_CTX; cb: SslPtr); cdecl;
TSslCtxSetDefaultPasswdCbUserdata = procedure(ctx: PSSL_CTX; u: SslPtr); cdecl;
TSslCtxLoadVerifyLocations = function(ctx: PSSL_CTX; const CAfile: PByte; const CApath: PByte):Integer; cdecl;
TSslCtxCtrl = function(ctx: PSSL_CTX; cmd: integer; larg: integer; parg: SslPtr): integer; cdecl;
TSslNew = function(ctx: PSSL_CTX):PSSL; cdecl;
TSslFree = procedure(ssl: PSSL); cdecl;
TSslAccept = function(ssl: PSSL):Integer; cdecl;
TSslConnect = function(ssl: PSSL):Integer; cdecl;
TSslShutdown = function(ssl: PSSL):Integer; cdecl;
TSslRead = function(ssl: PSSL; buf: PByte; num: Integer):Integer; cdecl;
TSslPeek = function(ssl: PSSL; buf: PByte; num: Integer):Integer; cdecl;
TSslWrite = function(ssl: PSSL; const buf: PByte; num: Integer):Integer; cdecl;
TSslPending = function(ssl: PSSL):Integer; cdecl;
TSslGetVersion = function(ssl: PSSL):PByte; cdecl;
TSslGetPeerCertificate = function(ssl: PSSL):PX509; cdecl;
TSslCtxSetVerify = procedure(ctx: PSSL_CTX; mode: Integer; arg2: SslPtr); cdecl;
TSSLGetCurrentCipher = function(s: PSSL):SslPtr; cdecl;
TSSLCipherGetName = function(c: Sslptr):PByte; cdecl;
TSSLCipherGetBits = function(c: SslPtr; alg_bits: PInteger):Integer; cdecl;
TSSLGetVerifyResult = function(ssl: PSSL):Integer; cdecl;
TSSLCtrl = function(ssl: PSSL; cmd: integer; larg: integer; parg: SslPtr):Integer; cdecl;
TSSLSetTlsextHostName = function(ssl: PSSL; buf: PAnsiChar):Integer; cdecl;
// libeay.dll
TX509New = function: PX509; cdecl;
TX509NameOneline = function(a: PX509_NAME; buf: PByte; size: Integer):PByte; cdecl;
TX509GetSubjectName = function(a: PX509):PX509_NAME; cdecl;
TX509GetIssuerName = function(a: PX509):PX509_NAME; cdecl;
TX509NameHash = function(x: PX509_NAME):Cardinal; cdecl;
TX509Digest = function(data: PX509; _type: PEVP_MD; md: PByte; len: PInteger):Integer; cdecl;
TX509print = function(b: PBIO; a: PX509): integer; cdecl;
TX509SetVersion = function(x: PX509; version: integer): integer; cdecl;
TX509SetPubkey = function(x: PX509; pkey: EVP_PKEY): integer; cdecl;
TX509SetIssuerName = function(x: PX509; name: PX509_NAME): integer; cdecl;
TX509NameAddEntryByTxt = function(name: PX509_NAME; field: PByte; _type: integer;
bytes: PByte; len, loc, _set: integer): integer; cdecl;
TX509Sign = function(x: PX509; pkey: EVP_PKEY; const md: PEVP_MD): integer; cdecl;
TX509GmtimeAdj = function(s: PASN1_UTCTIME; adj: integer): PASN1_UTCTIME; cdecl;
TX509SetNotBefore = function(x: PX509; tm: PASN1_UTCTIME): integer; cdecl;
TX509SetNotAfter = function(x: PX509; tm: PASN1_UTCTIME): integer; cdecl;
TX509GetSerialNumber = function(x: PX509): PASN1_INTEGER; cdecl;
TEvpPkeyNew = function: EVP_PKEY; cdecl;
TEvpPkeyFree = procedure(pk: EVP_PKEY); cdecl;
TEvpPkeyAssign = function(pkey: EVP_PKEY; _type: integer; key: Prsa): integer; cdecl;
TEvpGetDigestByName = function(Name: PByte): PEVP_MD; cdecl;
TEVPcleanup = procedure; cdecl;
TSSLeayversion = function(t: integer): PByte; cdecl;
TOpenSSLversion = function(t: integer): PByte; cdecl;
TErrErrorString = procedure(e: integer; buf: PByte; len: integer); cdecl;
TErrGetError = function: integer; cdecl;
TErrClearError = procedure; cdecl;
TErrFreeStrings = procedure; cdecl;
TErrRemoveState = procedure(pid: integer); cdecl;
TOPENSSLaddallalgorithms = procedure; cdecl;
TCRYPTOcleanupAllExData = procedure; cdecl;
TRandScreen = procedure; cdecl;
TBioNew = function(b: PBIO_METHOD): PBIO; cdecl;
TBioFreeAll = procedure(b: PBIO); cdecl;
TBioSMem = function: PBIO_METHOD; cdecl;
TBioCtrlPending = function(b: PBIO): integer; cdecl;
TBioRead = function(b: PBIO; Buf: PByte; Len: integer): integer; cdecl;
TBioWrite = function(b: PBIO; Buf: PByte; Len: integer): integer; cdecl;
Td2iPKCS12bio = function(b:PBIO; Pkcs12: SslPtr): SslPtr; cdecl;
TPKCS12parse = function(p12: SslPtr; pass: PByte; var pkey, cert, ca: SslPtr): integer; cdecl;
TPKCS12free = procedure(p12: SslPtr); cdecl;
TRsaGenerateKey = function(bits, e: integer; callback: PFunction; cb_arg: SslPtr): PRSA; cdecl;
TAsn1UtctimeNew = function: PASN1_UTCTIME; cdecl;
TAsn1UtctimeFree = procedure(a: PASN1_UTCTIME); cdecl;
TAsn1IntegerSet = function(a: PASN1_INTEGER; v: integer): integer; cdecl;
TAsn1IntegerGet = function(a: PASN1_INTEGER): integer; cdecl; {pf}
Ti2dX509bio = function(b: PBIO; x: PX509): integer; cdecl;
Td2iX509bio = function(b:PBIO; x:PX509): PX509; cdecl; {pf}
TPEMReadBioX509 = function(b:PBIO; {var x:PX509;}x:PSslPtr; callback:PFunction; cb_arg:SslPtr): PX509; cdecl; {pf}