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SoftEtherVPN/src/Mayaqua/Encrypt.h
Davide Beatrici 8b244ce660 Encrypt: remove unused functions detected by Cppcheck
2018-08-02 23:44:39 +02:00

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// SoftEther VPN Source Code - Developer Edition Master Branch
// Mayaqua Kernel
//
// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
//
// Copyright (c) Daiyuu Nobori.
// Copyright (c) SoftEther VPN Project, University of Tsukuba, Japan.
// Copyright (c) SoftEther Corporation.
//
// All Rights Reserved.
//
// http://www.softether.org/
//
// Author: Daiyuu Nobori, Ph.D.
// Comments: Tetsuo Sugiyama, Ph.D.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// version 2 as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License version 2
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
//
//
// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
//
// USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS
// YOU HAVE A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY
// CRIMINAL LAWS OR CIVIL RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS
// SOFTWARE IN OTHER COUNTRIES IS COMPLETELY AT YOUR OWN RISK. THE
// SOFTETHER VPN PROJECT HAS DEVELOPED AND DISTRIBUTED THIS SOFTWARE TO
// COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING CIVIL RIGHTS INCLUDING
// PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER COUNTRIES' LAWS OR
// CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES. WE HAVE
// NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+
// COUNTRIES AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE
// WORLD, WITH DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY
// COUNTRIES' LAWS, REGULATIONS AND CIVIL RIGHTS TO MAKE THE SOFTWARE
// COMPLY WITH ALL COUNTRIES' LAWS BY THE PROJECT. EVEN IF YOU WILL BE
// SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A PUBLIC SERVANT IN YOUR
// COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE LIABLE TO
// RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT
// JUST A STATEMENT FOR WARNING AND DISCLAIMER.
//
//
// SOURCE CODE CONTRIBUTION
// ------------------------
//
// Your contribution to SoftEther VPN Project is much appreciated.
// Please send patches to us through GitHub.
// Read the SoftEther VPN Patch Acceptance Policy in advance:
// http://www.softether.org/5-download/src/9.patch
//
//
// DEAR SECURITY EXPERTS
// ---------------------
//
// If you find a bug or a security vulnerability please kindly inform us
// about the problem immediately so that we can fix the security problem
// to protect a lot of users around the world as soon as possible.
//
// Our e-mail address for security reports is:
// softether-vpn-security [at] softether.org
//
// Please note that the above e-mail address is not a technical support
// inquiry address. If you need technical assistance, please visit
// http://www.softether.org/ and ask your question on the users forum.
//
// Thank you for your cooperation.
//
//
// NO MEMORY OR RESOURCE LEAKS
// ---------------------------
//
// The memory-leaks and resource-leaks verification under the stress
// test has been passed before release this source code.
// Encrypt.h
// Header of Encrypt.c
#ifndef ENCRYPT_H
#define ENCRYPT_H
// Function of OpenSSL
void RAND_Init_For_SoftEther();
void RAND_Free_For_SoftEther();
// Constant
#define MIN_SIGN_HASH_SIZE (15 + SHA1_SIZE)
#define SIGN_HASH_SIZE (MIN_SIGN_HASH_SIZE)
#define DES_KEY_SIZE 8 // DES key size
#define DES_IV_SIZE 8 // DES IV size
#define DES_BLOCK_SIZE 8 // DES block size
#define DES3_KEY_SIZE (8 * 3) // 3DES key size
#define RSA_KEY_SIZE 1024 // RSA key size
#define DH_KEY_SIZE 128 // DH key size
#define RSA_MIN_SIGN_HASH_SIZE (15 + SHA1_HASH_SIZE) // Minimum RSA hash size
#define RSA_SIGN_HASH_SIZE (RSA_MIN_SIGN_HASH_SIZE) // RSA hash size
#define MD5_HASH_SIZE 16 // MD5 hash size
#define SHA1_HASH_SIZE 20 // SHA-1 hash size
#define SHA1_BLOCK_SIZE 64 // SHA-1 block size
#define HMAC_SHA1_96_KEY_SIZE 20 // HMAC-SHA-1-96 key size
#define HMAC_SHA1_96_HASH_SIZE 12 // HMAC-SHA-1-96 hash size
#define HMAC_SHA1_SIZE (SHA1_HASH_SIZE) // HMAC-SHA-1 hash size
#define AES_IV_SIZE 16 // AES IV size
#define AES_MAX_KEY_SIZE 32 // Maximum AES key size
// IANA definitions taken from IKEv1 Phase 1
#define SHA1_160 2
#define SHA2_256 4
#define SHA2_384 5
#define SHA2_512 6
// HMAC block size
#define HMAC_BLOCK_SIZE 64
// The block size for sha-384 and sha-512 as defined by rfc4868
#define HMAC_BLOCK_SIZE_1024 128
#define HMAC_BLOCK_SIZE_MAX 512
#define DH_GROUP1_PRIME_768 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A63A3620FFFFFFFFFFFFFFFF"
#define DH_GROUP2_PRIME_1024 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381" \
"FFFFFFFFFFFFFFFF"
#define DH_GROUP5_PRIME_1536 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF"
#define DH_SIMPLE_160 "AEE7561459353C95DDA966AE1FD25D95CD46E935"
#define DH_SET_2048 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AACAA68FFFFFFFFFFFFFFFF"
#define DH_SET_3072 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"\
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD"\
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"\
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"\
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"\
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"\
"83655D23DCA3AD961C62F356208552BB9ED529077096966D"\
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"\
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"\
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510"\
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"\
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"\
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"\
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"\
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"\
"43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF"
#define DH_SET_4096 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7" \
"88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA" \
"2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6" \
"287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED" \
"1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9" \
"93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199" \
"FFFFFFFFFFFFFFFF"
// Macro
#define HASHED_DATA(p) (((UCHAR *)p) + 15)
// OpenSSL <1.1 Shims
#if OPENSSL_VERSION_NUMBER < 0x10100000L
# define EVP_PKEY_get0_RSA(obj) ((obj)->pkey.rsa)
# define EVP_PKEY_base_id(pkey) ((pkey)->type)
# define X509_get0_notBefore(x509) ((x509)->cert_info->validity->notBefore)
# define X509_get0_notAfter(x509) ((x509)->cert_info->validity->notAfter)
# define X509_get_serialNumber(x509) ((x509)->cert_info->serialNumber)
#endif
// Crypt context
struct CRYPT
{
struct rc4_key_st *Rc4Key;
};
// Name in the certificate
struct NAME
{
wchar_t *CommonName; // CN
wchar_t *Organization; // O
wchar_t *Unit; // OU
wchar_t *Country; // C
wchar_t *State; // ST
wchar_t *Local; // L
};
// Serial number
struct X_SERIAL
{
UINT size;
UCHAR *data;
};
// Certificate
struct X
{
X509 *x509;
NAME *issuer_name;
NAME *subject_name;
bool root_cert;
UINT64 notBefore;
UINT64 notAfter;
X_SERIAL *serial;
bool do_not_free;
bool is_compatible_bit;
UINT bits;
bool has_basic_constraints;
char issuer_url[256];
};
// Key
struct K
{
EVP_PKEY *pkey;
bool private_key;
};
// PKCS#12
struct P12
{
PKCS12 *pkcs12;
};
// CEL
struct X_CRL
{
X509_CRL *Crl;
};
// Constant
#define MD5_SIZE 16
#define SHA1_SIZE 20
#define SHA256_SIZE 32
#define SHA384_SIZE 48
#define SHA512_SIZE 64
// Key element of DES
struct DES_KEY_VALUE
{
struct DES_ks *KeySchedule;
UCHAR KeyValue[DES_KEY_SIZE];
};
// DES key
struct DES_KEY
{
DES_KEY_VALUE *k1, *k2, *k3;
};
// AES key
struct AES_KEY_VALUE
{
struct aes_key_st *EncryptKey;
struct aes_key_st *DecryptKey;
UCHAR KeyValue[AES_MAX_KEY_SIZE];
UINT KeySize;
};
// DH
struct DH_CTX
{
struct dh_st *dh;
BUF *MyPublicKey;
BUF *MyPrivateKey;
UINT Size;
};
// Cipher object
struct CIPHER
{
char Name[MAX_PATH];
bool IsNullCipher;
const struct evp_cipher_st *Cipher;
struct evp_cipher_ctx_st *Ctx;
bool Encrypt;
UINT BlockSize, IvSize, KeySize;
};
// Message digest object
struct MD
{
char Name[MAX_PATH];
const struct evp_md_st *Md;
struct hmac_ctx_st *Ctx;
UINT Size;
};
// Lock of the OpenSSL
extern LOCK **ssl_lock_obj;
// Function prototype
CRYPT *NewCrypt(void *key, UINT size);
void FreeCrypt(CRYPT *c);
void Encrypt(CRYPT *c, void *dst, void *src, UINT size);
void Hash(void *dst, void *src, UINT size, bool sha);
void HashSha1(void *dst, void *src, UINT size);
void HashMd4(void *dst, void *src, UINT size);
void HashMd4(void *dst, void *src, UINT size);
void InitCryptLibrary();
void Rand(void *buf, UINT size);
UINT HashToUINT(void *data, UINT size);
UINT64 Rand64();
UINT Rand32();
USHORT Rand16();
UCHAR Rand8();
bool Rand1();
UINT HashPtrToUINT(void *p);
BIO *BufToBio(BUF *b);
BUF *BioToBuf(BIO *bio);
BIO *NewBio();
void FreeBio(BIO *bio);
X *BioToX(BIO *bio, bool text);
X *BufToX(BUF *b, bool text);
void FreeX509(X509 *x509);
void FreeX(X *x);
BIO *XToBio(X *x, bool text);
BUF *XToBuf(X *x, bool text);
K *BioToK(BIO *bio, bool private_key, bool text, char *password);
int PKeyPasswordCallbackFunction(char *buf, int bufsize, int verify, void *param);
void FreePKey(EVP_PKEY *pkey);
void FreeK(K *k);
K *BufToK(BUF *b, bool private_key, bool text, char *password);
bool IsEncryptedK(BUF *b, bool private_key);
bool IsBase64(BUF *b);
BIO *KToBio(K *k, bool text, char *password);
BUF *KToBuf(K *k, bool text, char *password);
X *FileToX(char *filename);
X *FileToXW(wchar_t *filename);
bool XToFile(X *x, char *filename, bool text);
bool XToFileW(X *x, wchar_t *filename, bool text);
K *FileToKW(wchar_t *filename, bool private_key, char *password);
bool KToFileW(K *k, wchar_t *filename, bool text, char *password);
bool CheckXandK(X *x, K *k);
bool CompareX(X *x1, X *x2);
NAME *X509NameToName(void *xn);
wchar_t *GetUniStrFromX509Name(void *xn, int nid);
void LoadXNames(X *x);
void FreeXNames(X *x);
void FreeName(NAME *n);
bool CompareName(NAME *n1, NAME *n2);
K *GetKFromX(X *x);
bool CheckSignature(X *x, K *k);
X *X509ToX(X509 *x509);
bool CheckXEx(X *x, X *x_issuer, bool check_name, bool check_date);
bool Asn1TimeToSystem(SYSTEMTIME *s, void *asn1_time);
bool StrToSystem(SYSTEMTIME *s, char *str);
UINT64 Asn1TimeToUINT64(void *asn1_time);
bool SystemToAsn1Time(void *asn1_time, SYSTEMTIME *s);
bool UINT64ToAsn1Time(void *asn1_time, UINT64 t);
bool SystemToStr(char *str, UINT size, SYSTEMTIME *s);
void LoadXDates(X *x);
bool CheckXDate(X *x, UINT64 current_system_time);
bool CheckXDateNow(X *x);
NAME *NewName(wchar_t *common_name, wchar_t *organization, wchar_t *unit,
wchar_t *country, wchar_t *state, wchar_t *local);
void *NameToX509Name(NAME *nm);
void FreeX509Name(void *xn);
bool AddX509Name(void *xn, int nid, wchar_t *str);
X509 *NewRootX509(K *pub, K *priv, NAME *name, UINT days, X_SERIAL *serial);
X *NewRootX(K *pub, K *priv, NAME *name, UINT days, X_SERIAL *serial);
X509 *NewX509(K *pub, K *priv, X *ca, NAME *name, UINT days, X_SERIAL *serial);
X *NewX(K *pub, K *priv, X *ca, NAME *name, UINT days, X_SERIAL *serial);
UINT GetDaysUntil2038();
UINT GetDaysUntil2038Ex();
X_SERIAL *NewXSerial(void *data, UINT size);
void FreeXSerial(X_SERIAL *serial);
P12 *BioToP12(BIO *bio);
P12 *PKCS12ToP12(PKCS12 *pkcs12);
P12 *BufToP12(BUF *b);
BIO *P12ToBio(P12 *p12);
BUF *P12ToBuf(P12 *p12);
void FreePKCS12(PKCS12 *pkcs12);
void FreeP12(P12 *p12);
bool P12ToFileW(P12 *p12, wchar_t *filename);
bool ParseP12(P12 *p12, X **x, K **k, char *password);
bool IsEncryptedP12(P12 *p12);
P12 *NewP12(X *x, K *k, char *password);
X *CloneX(X *x);
K *CloneK(K *k);
void FreeCryptLibrary();
void GetPrintNameFromX(wchar_t *str, UINT size, X *x);
void GetPrintNameFromXA(char *str, UINT size, X *x);
void GetPrintNameFromName(wchar_t *str, UINT size, NAME *name);
void GetAllNameFromX(wchar_t *str, UINT size, X *x);
void GetAllNameFromName(wchar_t *str, UINT size, NAME *name);
void GetAllNameFromNameEx(wchar_t *str, UINT size, NAME *name);
BUF *BigNumToBuf(const BIGNUM *bn);
BIGNUM *BinToBigNum(void *data, UINT size);
X_SERIAL *CloneXSerial(X_SERIAL *src);
bool CompareXSerial(X_SERIAL *s1, X_SERIAL *s2);
void GetXDigest(X *x, UCHAR *buf, bool sha1);
NAME *CopyName(NAME *n);
bool RsaGen(K **priv, K **pub, UINT bit);
bool RsaCheck();
bool RsaCheckEx();
bool RsaSign(void *dst, void *src, UINT size, K *k);
bool RsaSignEx(void *dst, void *src, UINT size, K *k, UINT bits);
bool HashForSign(void *dst, UINT dst_size, void *src, UINT src_size);
bool RsaVerify(void *data, UINT data_size, void *sign, K *k);
bool RsaVerifyEx(void *data, UINT data_size, void *sign, K *k, UINT bits);
UINT RsaPublicSize(K *k);
BUF *RsaPublicToBuf(K *k);
DES_KEY_VALUE *DesNewKeyValue(void *value);
void DesFreeKeyValue(DES_KEY_VALUE *v);
void Des3Encrypt2(void *dest, void *src, UINT size, DES_KEY_VALUE *k1, DES_KEY_VALUE *k2, DES_KEY_VALUE *k3, void *ivec);
void Des3Decrypt2(void *dest, void *src, UINT size, DES_KEY_VALUE *k1, DES_KEY_VALUE *k2, DES_KEY_VALUE *k3, void *ivec);
void Sha(UINT sha_type, void *dst, void *src, UINT size);
void Sha1(void *dst, void *src, UINT size);
void Sha2_256(void *dst, void *src, UINT size);
void Sha2_384(void *dst, void *src, UINT size);
void Sha2_512(void *dst, void *src, UINT size);
void Md5(void *dst, void *src, UINT size);
void DesEncrypt(void *dest, void *src, UINT size, DES_KEY_VALUE *k, void *ivec);
void DesDecrypt(void *dest, void *src, UINT size, DES_KEY_VALUE *k, void *ivec);
void DesEcbEncrypt(void *dst, void *src, void *key_7bytes);
bool DhCompute(DH_CTX *dh, void *dst_priv_key, void *src_pub_key, UINT key_size);
DH_CTX *DhNewGroup1();
DH_CTX *DhNewGroup2();
DH_CTX *DhNewGroup5();
DH_CTX *DhNewSimple160();
DH_CTX *DhNew2048();
DH_CTX *DhNew3072();
DH_CTX *DhNew4096();
DH_CTX *DhNewFromBits(UINT bits);
DH_CTX *DhNew(char *prime, UINT g);
void DhFree(DH_CTX *dh);
AES_KEY_VALUE *AesNewKey(void *data, UINT size);
void AesFreeKey(AES_KEY_VALUE *k);
void AesEncrypt(void *dest, void *src, UINT size, AES_KEY_VALUE *k, void *ivec);
void AesDecrypt(void *dest, void *src, UINT size, AES_KEY_VALUE *k, void *ivec);
bool IsAesNiSupported();
void OpenSSL_InitLock();
void OpenSSL_FreeLock();
void OpenSSL_Lock(int mode, int n, const char *file, int line);
unsigned long OpenSSL_Id(void);
void FreeOpenSSLThreadState();
CIPHER *NewCipher(char *name);
void FreeCipher(CIPHER *c);
void SetCipherKey(CIPHER *c, void *key, bool enc);
UINT CipherProcess(CIPHER *c, void *iv, void *dest, void *src, UINT size);
MD *NewMd(char *name);
void FreeMd(MD *md);
void SetMdKey(MD *md, void *key, UINT key_size);
void MdProcess(MD *md, void *dest, void *src, UINT size);
void Enc_tls1_PRF(unsigned char *label, int label_len, const unsigned char *sec,
int slen, unsigned char *out1, int olen);
void HMacSha1(void *dst, void *key, UINT key_size, void *data, UINT data_size);
void HMacMd5(void *dst, void *key, UINT key_size, void *data, UINT data_size);
int GetSslClientCertIndex();
#ifdef ENCRYPT_C
// Inner function
#endif // ENCRYPT_C
#endif // ENCRYPT_H
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