Dead code removal; #if 0 from crypto/des

Reviewed-by: NAndy Polyakov <appro@openssl.org>

crypto/des/des_old.c

@@ -208,16 +208,6 @@ void _ossl_old_des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
                            (DES_key_schedule *)ks3, ivec, num);
 }
 
-#if 0                           /* broken code, preserved just in case anyone
-                                 * specifically looks for this */
-void _ossl_old_des_xwhite_in2out(_ossl_old_des_cblock (*des_key),
-                                 _ossl_old_des_cblock (*in_white),
-                                 _ossl_old_des_cblock (*out_white))
-{
-    DES_xwhite_in2out(des_key, in_white, out_white);
-}
-#endif
-
 int _ossl_old_des_enc_read(int fd, char *buf, int len, des_key_schedule sched,
                            _ossl_old_des_cblock *iv)
 {

crypto/des/read_pwd.c

@@ -373,9 +373,6 @@ int des_read_pw(char *buf, char *buff, int size, const char *prompt,
 
  error:
     fprintf(stderr, "\n");
-# if 0
-    perror("fgets(tty)");
-# endif
     /* What can we do if there is an error? */
 # if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
     if (ps >= 2)

crypto/des/xcbc_enc.c

@@ -60,70 +60,6 @@
 
 /* RSA's DESX */
 
-#if 0                           /* broken code, preserved just in case anyone
-                                 * specifically looks for this */
-static const unsigned char desx_white_in2out[256] = {
-    0xBD, 0x56, 0xEA, 0xF2, 0xA2, 0xF1, 0xAC, 0x2A, 0xB0, 0x93, 0xD1, 0x9C,
-    0x1B, 0x33, 0xFD, 0xD0,
-    0x30, 0x04, 0xB6, 0xDC, 0x7D, 0xDF, 0x32, 0x4B, 0xF7, 0xCB, 0x45, 0x9B,
-    0x31, 0xBB, 0x21, 0x5A,
-    0x41, 0x9F, 0xE1, 0xD9, 0x4A, 0x4D, 0x9E, 0xDA, 0xA0, 0x68, 0x2C, 0xC3,
-    0x27, 0x5F, 0x80, 0x36,
-    0x3E, 0xEE, 0xFB, 0x95, 0x1A, 0xFE, 0xCE, 0xA8, 0x34, 0xA9, 0x13, 0xF0,
-    0xA6, 0x3F, 0xD8, 0x0C,
-    0x78, 0x24, 0xAF, 0x23, 0x52, 0xC1, 0x67, 0x17, 0xF5, 0x66, 0x90, 0xE7,
-    0xE8, 0x07, 0xB8, 0x60,
-    0x48, 0xE6, 0x1E, 0x53, 0xF3, 0x92, 0xA4, 0x72, 0x8C, 0x08, 0x15, 0x6E,
-    0x86, 0x00, 0x84, 0xFA,
-    0xF4, 0x7F, 0x8A, 0x42, 0x19, 0xF6, 0xDB, 0xCD, 0x14, 0x8D, 0x50, 0x12,
-    0xBA, 0x3C, 0x06, 0x4E,
-    0xEC, 0xB3, 0x35, 0x11, 0xA1, 0x88, 0x8E, 0x2B, 0x94, 0x99, 0xB7, 0x71,
-    0x74, 0xD3, 0xE4, 0xBF,
-    0x3A, 0xDE, 0x96, 0x0E, 0xBC, 0x0A, 0xED, 0x77, 0xFC, 0x37, 0x6B, 0x03,
-    0x79, 0x89, 0x62, 0xC6,
-    0xD7, 0xC0, 0xD2, 0x7C, 0x6A, 0x8B, 0x22, 0xA3, 0x5B, 0x05, 0x5D, 0x02,
-    0x75, 0xD5, 0x61, 0xE3,
-    0x18, 0x8F, 0x55, 0x51, 0xAD, 0x1F, 0x0B, 0x5E, 0x85, 0xE5, 0xC2, 0x57,
-    0x63, 0xCA, 0x3D, 0x6C,
-    0xB4, 0xC5, 0xCC, 0x70, 0xB2, 0x91, 0x59, 0x0D, 0x47, 0x20, 0xC8, 0x4F,
-    0x58, 0xE0, 0x01, 0xE2,
-    0x16, 0x38, 0xC4, 0x6F, 0x3B, 0x0F, 0x65, 0x46, 0xBE, 0x7E, 0x2D, 0x7B,
-    0x82, 0xF9, 0x40, 0xB5,
-    0x1D, 0x73, 0xF8, 0xEB, 0x26, 0xC7, 0x87, 0x97, 0x25, 0x54, 0xB1, 0x28,
-    0xAA, 0x98, 0x9D, 0xA5,
-    0x64, 0x6D, 0x7A, 0xD4, 0x10, 0x81, 0x44, 0xEF, 0x49, 0xD6, 0xAE, 0x2E,
-    0xDD, 0x76, 0x5C, 0x2F,
-    0xA7, 0x1C, 0xC9, 0x09, 0x69, 0x9A, 0x83, 0xCF, 0x29, 0x39, 0xB9, 0xE9,
-    0x4C, 0xFF, 0x43, 0xAB,
-};
-
-void DES_xwhite_in2out(const_DES_cblock *des_key, const_DES_cblock *in_white,
-                       DES_cblock *out_white)
-{
-    int out0, out1;
-    int i;
-    const unsigned char *key = &(*des_key)[0];
-    const unsigned char *in = &(*in_white)[0];
-    unsigned char *out = &(*out_white)[0];
-
-    out[0] = out[1] = out[2] = out[3] = out[4] = out[5] = out[6] = out[7] = 0;
-    out0 = out1 = 0;
-    for (i = 0; i < 8; i++) {
-        out[i] = key[i] ^ desx_white_in2out[out0 ^ out1];
-        out0 = out1;
-        out1 = (int)out[i & 0x07];
-    }
-
-    out0 = out[0];
-    out1 = out[i];              /* BUG: out-of-bounds read */
-    for (i = 0; i < 8; i++) {
-        out[i] = in[i] ^ desx_white_in2out[out0 ^ out1];
-        out0 = out1;
-        out1 = (int)out[i & 0x07];
-    }
-}
-#endif
-
 void DES_xcbc_encrypt(const unsigned char *in, unsigned char *out,
                       long length, DES_key_schedule *schedule,
                       DES_cblock *ivec, const_DES_cblock *inw,