diff options
Diffstat (limited to 'drivers/staging/rt3090/common/crypt_dh.c')
-rw-r--r-- | drivers/staging/rt3090/common/crypt_dh.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/drivers/staging/rt3090/common/crypt_dh.c b/drivers/staging/rt3090/common/crypt_dh.c deleted file mode 100644 index 0f69f2af903..00000000000 --- a/drivers/staging/rt3090/common/crypt_dh.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - ************************************************************************* - * Ralink Tech Inc. - * 5F., No.36, Taiyuan St., Jhubei City, - * Hsinchu County 302, - * Taiwan, R.O.C. - * - * (c) Copyright 2002-2007, Ralink Technology, Inc. - * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * 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 * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - ************************************************************************* - - Module Name: - crypt_dh.c - - Abstract: - - Revision History: - Who When What - -------- ---------- ---------------------------------------------- - Eddy 2009/01/19 Create AES-128, AES-192, AES-256, AES-CBC -*/ - -#include "crypt_dh.h" -#include "crypt_biginteger.h" - -/* -======================================================================== -Routine Description: - Diffie-Hellman public key generation - -Arguments: - GValue Array in UINT8 - GValueLength The length of G in bytes - PValue Array in UINT8 - PValueLength The length of P in bytes - PrivateKey Private key - PrivateKeyLength The length of Private key in bytes - -Return Value: - PublicKey Public key - PublicKeyLength The length of public key in bytes - -Note: - Reference to RFC2631 - PublicKey = G^PrivateKey (mod P) -======================================================================== -*/ -void DH_PublicKey_Generate ( - IN UINT8 GValue[], - IN UINT GValueLength, - IN UINT8 PValue[], - IN UINT PValueLength, - IN UINT8 PrivateKey[], - IN UINT PrivateKeyLength, - OUT UINT8 PublicKey[], - INOUT UINT *PublicKeyLength) -{ - PBIG_INTEGER pBI_G = NULL; - PBIG_INTEGER pBI_P = NULL; - PBIG_INTEGER pBI_PrivateKey = NULL; - PBIG_INTEGER pBI_PublicKey = NULL; - - /* - * 1. Check the input parameters - * - GValueLength, PValueLength and PrivateLength must be large than zero - * - PublicKeyLength must be large or equal than PValueLength - * - PValue must be odd - * - * - PValue must be prime number (no implement) - * - GValue must be greater than 0 but less than the PValue (no implement) - */ - if (GValueLength == 0) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_PublicKey_Generate: G length is (%d)\n", GValueLength)); - return; - } /* End of if */ - if (PValueLength == 0) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_PublicKey_Generate: P length is (%d)\n", PValueLength)); - return; - } /* End of if */ - if (PrivateKeyLength == 0) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_PublicKey_Generate: private key length is (%d)\n", PrivateKeyLength)); - return; - } /* End of if */ - if (*PublicKeyLength < PValueLength) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_PublicKey_Generate: public key length(%d) must be large or equal than P length(%d)\n", - *PublicKeyLength, PValueLength)); - return; - } /* End of if */ - if (!(PValue[PValueLength - 1] & 0x1)) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_PublicKey_Generate: P value must be odd\n")); - return; - } /* End of if */ - - /* - * 2. Transfer parameters to BigInteger structure - */ - BigInteger_Init(&pBI_G); - BigInteger_Init(&pBI_P); - BigInteger_Init(&pBI_PrivateKey); - BigInteger_Init(&pBI_PublicKey); - BigInteger_Bin2BI(GValue, GValueLength, &pBI_G); - BigInteger_Bin2BI(PValue, PValueLength, &pBI_P); - BigInteger_Bin2BI(PrivateKey, PrivateKeyLength, &pBI_PrivateKey); - - /* - * 3. Calculate PublicKey = G^PrivateKey (mod P) - * - BigInteger Operation - * - Montgomery reduction - */ - BigInteger_Montgomery_ExpMod(pBI_G, pBI_PrivateKey, pBI_P, &pBI_PublicKey); - - /* - * 4. Transfer BigInteger structure to char array - */ - BigInteger_BI2Bin(pBI_PublicKey, PublicKey, PublicKeyLength); - - BigInteger_Free(&pBI_G); - BigInteger_Free(&pBI_P); - BigInteger_Free(&pBI_PrivateKey); - BigInteger_Free(&pBI_PublicKey); -} /* End of DH_PublicKey_Generate */ - - -/* -======================================================================== -Routine Description: - Diffie-Hellman secret key generation - -Arguments: - PublicKey Public key - PublicKeyLength The length of Public key in bytes - PValue Array in UINT8 - PValueLength The length of P in bytes - PrivateKey Private key - PrivateKeyLength The length of Private key in bytes - -Return Value: - SecretKey Secret key - SecretKeyLength The length of secret key in bytes - -Note: - Reference to RFC2631 - SecretKey = PublicKey^PrivateKey (mod P) -======================================================================== -*/ -void DH_SecretKey_Generate ( - IN UINT8 PublicKey[], - IN UINT PublicKeyLength, - IN UINT8 PValue[], - IN UINT PValueLength, - IN UINT8 PrivateKey[], - IN UINT PrivateKeyLength, - OUT UINT8 SecretKey[], - INOUT UINT *SecretKeyLength) -{ - PBIG_INTEGER pBI_P = NULL; - PBIG_INTEGER pBI_SecretKey = NULL; - PBIG_INTEGER pBI_PrivateKey = NULL; - PBIG_INTEGER pBI_PublicKey = NULL; - - /* - * 1. Check the input parameters - * - PublicKeyLength, PValueLength and PrivateLength must be large than zero - * - SecretKeyLength must be large or equal than PValueLength - * - PValue must be odd - * - * - PValue must be prime number (no implement) - */ - if (PublicKeyLength == 0) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_SecretKey_Generate: public key length is (%d)\n", PublicKeyLength)); - return; - } /* End of if */ - if (PValueLength == 0) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_SecretKey_Generate: P length is (%d)\n", PValueLength)); - return; - } /* End of if */ - if (PrivateKeyLength == 0) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_SecretKey_Generate: private key length is (%d)\n", PrivateKeyLength)); - return; - } /* End of if */ - if (*SecretKeyLength < PValueLength) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_SecretKey_Generate: secret key length(%d) must be large or equal than P length(%d)\n", - *SecretKeyLength, PValueLength)); - return; - } /* End of if */ - if (!(PValue[PValueLength - 1] & 0x1)) { - DBGPRINT(RT_DEBUG_ERROR, ("DH_SecretKey_Generate: P value must be odd\n")); - return; - } /* End of if */ - - /* - * 2. Transfer parameters to BigInteger structure - */ - BigInteger_Init(&pBI_P); - BigInteger_Init(&pBI_PrivateKey); - BigInteger_Init(&pBI_PublicKey); - BigInteger_Init(&pBI_SecretKey); - - BigInteger_Bin2BI(PublicKey, PublicKeyLength, &pBI_PublicKey); - BigInteger_Bin2BI(PValue, PValueLength, &pBI_P); - BigInteger_Bin2BI(PrivateKey, PrivateKeyLength, &pBI_PrivateKey); - - /* - * 3. Calculate SecretKey = PublicKey^PrivateKey (mod P) - * - BigInteger Operation - * - Montgomery reduction - */ - BigInteger_Montgomery_ExpMod(pBI_PublicKey, pBI_PrivateKey, pBI_P, &pBI_SecretKey); - - /* - * 4. Transfer BigInteger structure to char array - */ - BigInteger_BI2Bin(pBI_SecretKey, SecretKey, SecretKeyLength); - - BigInteger_Free(&pBI_P); - BigInteger_Free(&pBI_PrivateKey); - BigInteger_Free(&pBI_PublicKey); - BigInteger_Free(&pBI_SecretKey); -} /* End of DH_SecretKey_Generate */ |