upd: openssl to 1.1.0

[cassiopeia.git] / lib / openssl / engines / ccgost / gost_keywrap.c

diff --git a/lib/openssl/engines/ccgost/gost_keywrap.c b/lib/openssl/engines/ccgost/gost_keywrap.c
deleted file mode 100644 (file)
index c618f6d..0000000
--- a/lib/openssl/engines/ccgost/gost_keywrap.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/**********************************************************************
- *                          keywrap.c                                 *
- *             Copyright (c) 2005-2006 Cryptocom LTD                  *
- *         This file is distributed under the same license as OpenSSL *
- *                                                                    *
- * Implementation of CryptoPro key wrap algorithm, as defined in      *
- *               RFC 4357 p 6.3 and 6.4                               *
- *                  Doesn't need OpenSSL                              *
- **********************************************************************/
-#include <string.h>
-#include "gost89.h"
-#include "gost_keywrap.h"
-
-/* Diversifies key using random UserKey Material
- * Implements RFC 4357 p 6.5 key diversification algorithm 
- * 
- * inputKey - 32byte key to be diversified
- * ukm - 8byte user key material
- * outputKey - 32byte buffer to store diversified key 
- *
- */
-void keyDiversifyCryptoPro(gost_ctx *ctx,const unsigned char *inputKey, const unsigned char *ukm, unsigned char *outputKey)
-       {
-
-       u4 k,s1,s2;
-       int i,j,mask;
-       unsigned char S[8];
-       memcpy(outputKey,inputKey,32);
-       for (i=0;i<8;i++) 
-               {
-               /* Make array of integers from key */
-               /* Compute IV S*/
-               s1=0,s2=0;
-               for (j=0,mask=1;j<8;j++,mask<<=1) 
-                       {
-                       k=((u4)outputKey[4*j])|(outputKey[4*j+1]<<8)|
-                               (outputKey[4*j+2]<<16)|(outputKey[4*j+3]<<24);
-                       if (mask & ukm[i]) 
-                               {
-                               s1+=k;
-                               }
-                       else 
-                               {
-                               s2+=k;
-                               }
-                       }
-               S[0]=(unsigned char)(s1&0xff);
-               S[1]=(unsigned char)((s1>>8)&0xff);
-               S[2]=(unsigned char)((s1>>16)&0xff);
-               S[3]=(unsigned char)((s1>>24)&0xff); 
-               S[4]=(unsigned char)(s2&0xff);
-               S[5]=(unsigned char)((s2>>8)&0xff);
-               S[6]=(unsigned char)((s2>>16)&0xff);
-               S[7]=(unsigned char)((s2>>24)&0xff); 
-               gost_key(ctx,outputKey);
-               gost_enc_cfb(ctx,S,outputKey,outputKey,4);
-               }
-       }       
-       
-
-/*
- * Wraps key using RFC 4357 6.3
- * ctx - gost encryption context, initialized with some S-boxes 
- * keyExchangeKey (KEK) 32-byte (256-bit) shared key
- * ukm - 8 byte (64 bit) user key material, 
- * sessionKey - 32-byte (256-bit) key to be wrapped
- * wrappedKey - 44-byte buffer to store wrapped key
- */ 
-
-int keyWrapCryptoPro(gost_ctx *ctx,const unsigned char *keyExchangeKey, const unsigned char *ukm,
-       const   unsigned char *sessionKey, unsigned char *wrappedKey) 
-       {
-       unsigned char kek_ukm[32];
-       keyDiversifyCryptoPro(ctx,keyExchangeKey,ukm,kek_ukm);
-       gost_key(ctx,kek_ukm);
-       memcpy(wrappedKey,ukm,8);
-       gost_enc(ctx,sessionKey,wrappedKey+8,4);
-       gost_mac_iv(ctx,32,ukm,sessionKey,32,wrappedKey+40);
-       return 1;
-       }
-/*
- * Unwraps key using RFC 4357 6.4
- * ctx - gost encryption context, initialized with some S-boxes 
- * keyExchangeKey 32-byte shared key
- * wrappedKey  44 byte key to be unwrapped (concatenation of 8-byte UKM,
- * 32 byte  encrypted key and 4 byte MAC  
- * 
- * sessionKEy - 32byte buffer to store sessionKey in
- * Returns 1 if key is decrypted successfully, and 0 if MAC doesn't match
- */ 
-
-int keyUnwrapCryptoPro(gost_ctx *ctx,const unsigned char *keyExchangeKey,
-       const unsigned char *wrappedKey, unsigned char *sessionKey) 
-       {
-       unsigned char kek_ukm[32],cek_mac[4];
-       keyDiversifyCryptoPro(ctx,keyExchangeKey,wrappedKey 
-               /* First 8 bytes of wrapped Key is ukm */
-               ,kek_ukm);
-       gost_key(ctx,kek_ukm);
-       gost_dec(ctx,wrappedKey+8,sessionKey,4);
-       gost_mac_iv(ctx,32,wrappedKey,sessionKey,32,cek_mac);
-       if (memcmp(cek_mac,wrappedKey+40,4)) 
-               {
-               return 0;
-               }               
-       return 1;               
-       }       
-
-