n2 ^= f(c,n1+c->k[3]); n1 ^= f(c,n2+c->k[2]);
n2 ^= f(c,n1+c->k[1]); n1 ^= f(c,n2+c->k[0]);
- out[0] = (n2&0xff); out[1] = (n2>>8)&0xff; out[2]=(n2>>16)&0xff; out[3]=n2>>24;
- out[4] = (n1&0xff); out[5] = (n1>>8)&0xff; out[6]=(n1>>16)&0xff; out[7]=n1>>24;
+ out[0] = (byte)(n2&0xff); out[1] = (byte)((n2>>8)&0xff);
+ out[2] = (byte)((n2>>16)&0xff); out[3]=(byte)(n2>>24);
+ out[4] = (byte)(n1&0xff); out[5] = (byte)((n1>>8)&0xff);
+ out[6] = (byte)((n1>>16)&0xff); out[7] = (byte)(n1>>24);
}
/* Low-level decryption routine. Decrypts one 64-bit block */
void gostdecrypt(gost_ctx *c, const byte *in,byte *out)
n2 ^= f(c,n1+c->k[5]); n1 ^= f(c,n2+c->k[4]);
n2 ^= f(c,n1+c->k[3]); n1 ^= f(c,n2+c->k[2]);
n2 ^= f(c,n1+c->k[1]); n1 ^= f(c,n2+c->k[0]);
- out[0] = (n2&0xff); out[1] = (n2>>8)&0xff; out[2]=(n2>>16)&0xff; out[3]=n2>>24;
- out[4] = (n1&0xff); out[5] = (n1>>8)&0xff; out[6]=(n1>>16)&0xff; out[7]=n1>>24;
+
+ out[0] = (byte)(n2&0xff); out[1] = (byte)((n2>>8)&0xff);
+ out[2] = (byte)((n2>>16)&0xff); out[3]=(byte)(n2>>24);
+ out[4] = (byte)(n1&0xff); out[5] = (byte)((n1>>8)&0xff);
+ out[6] = (byte)((n1>>16)&0xff); out[7] = (byte)(n1>>24);
}
/* Encrypts several blocks in ECB mode */
int i,j;
for(i=0,j=0;i<8;i++,j+=4)
{
- k[j]=c->k[i]& 0xFF;
- k[j+1]=(c->k[i]>>8 )&0xFF;
- k[j+2]=(c->k[i]>>16) &0xFF;
- k[j+3]=(c->k[i]>>24) &0xFF;
+ k[j]=(byte)(c->k[i]& 0xFF);
+ k[j+1]=(byte)((c->k[i]>>8 )&0xFF);
+ k[j+2]=(byte)((c->k[i]>>16) &0xFF);
+ k[j+3]=(byte)((c->k[i]>>24) &0xFF);
}
}
n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
- buffer[0] = (n1&0xff); buffer[1] = (n1>>8)&0xff; buffer[2]=(n1>>16)&0xff; buffer[3]=n1>>24;
- buffer[4] = (n2&0xff); buffer[5] = (n2>>8)&0xff; buffer[6]=(n2>>16)&0xff; buffer[7]=n2>>24;
+ buffer[0] = (byte)(n1&0xff); buffer[1] = (byte)((n1>>8)&0xff);
+ buffer[2] = (byte)((n1>>16)&0xff); buffer[3] = (byte)(n1>>24);
+ buffer[4] = (byte)(n2&0xff); buffer[5] = (byte)((n2>>8)&0xff);
+ buffer[6] = (byte)((n2>>16)&0xff); buffer[7] = (byte)(n2>>24);
}
/* Get mac with specified number of bits from MAC state buffer */
}
g = buf1[0]|(buf1[1]<<8)|(buf1[2]<<16)|(buf1[3]<<24);
g += 0x01010101;
- buf1[0]=g&0xff; buf1[1]=(g>>8)&0xff; buf1[2]=(g>>16)&0xff; buf1[3]=(g>>24)&0xff;
+ buf1[0]=(unsigned char)(g&0xff);
+ buf1[1]=(unsigned char)((g>>8)&0xff);
+ buf1[2]=(unsigned char)((g>>16)&0xff);
+ buf1[3]=(unsigned char)((g>>24)&0xff);
g = buf1[4]|(buf1[5]<<8)|(buf1[6]<<16)|(buf1[7]<<24);
go = g;
g += 0x01010104;
if (go > g) /* overflow*/
g++;
- buf1[4]=g&0xff; buf1[5]=(g>>8)&0xff; buf1[6]=(g>>16)&0xff; buf1[7]=(g>>24)&0xff;
+ buf1[4]=(unsigned char)(g&0xff);
+ buf1[5]=(unsigned char)((g>>8)&0xff);
+ buf1[6]=(unsigned char)((g>>16)&0xff);
+ buf1[7]=(unsigned char)((g>>24)&0xff);
memcpy(iv,buf1,8);
gostcrypt(&(c->cctx),buf1,buf);
c->count +=8;
s2+=k;
}
}
- S[0]=s1&0xff; S[1]=(s1>>8)&0xff; S[2]=(s1>>16)&0xff; S[3]=(s1>>24)&0xff;
- S[4]=s2&0xff; S[5]=(s2>>8)&0xff; S[6]=(s2>>16)&0xff; S[7]=(s2>>24)&0xff;
+ 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);
}