Delete a lot of #if 0 code in libressl.

There are a few instances where #if 1 is removed but the code remains.

Based on the following OpenSSL commits.  Some of the commits weren't
strictly deletions so they are going to be split up into separate commits.

6f91b017bbb7140f816721141ac156d1b828a6b3
3d47c1d331fdc7574d2275cda1a630ccdb624b08
dfb56425b68314b2b57e17c82c1df42e7a015132
c8fa2356a00cbaada8963f739e5570298311a060
f16a64d11f55c01f56baa62ebf1dec7f8fe718cb
9ccc00ef6ea65567622e40c49aca43f2c6d79cdb
02a938c953b3e1ced71d9a832de1618f907eb96d
75d0ebef2aef7a2c77b27575b8da898e22f3ccd5
d6fbb194095312f4722c81c9362dbd0de66cb656
6f1a93ad111c7dfe36a09a976c4c009079b19ea1
1a5adcfb5edfe23908b350f8757df405b0f5f71f
8de24b792743d11e1d5a0dcd336a49368750c577
a2b18e657ea1a932d125154f4e13ab2258796d90
8e964419603d2478dfb391c66e7ccb2dcc9776b4
32dfde107636ac9bc62a5b3233fe2a54dbc27008

input + ok jsing@, miod@, tedu@

4 files changed, 4 insertions, 78 deletions

diff --git a/lib/libcrypto/des/cfb64ede.c b/lib/libcrypto/des/cfb64ede.c
index 0b5c7d62496..6d4d2877751 100644
--- a/lib/libcrypto/des/cfb64ede.c
+++ b/lib/libcrypto/des/cfb64ede.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cfb64ede.c,v 1.8 2014/10/28 07:35:58 jsg Exp $ */
+/* $OpenBSD: cfb64ede.c,v 1.9 2015/02/07 13:19:15 doug Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -132,15 +132,6 @@ void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
 	*num=n;
 	}
 
-#ifdef undef /* MACRO */
-void DES_ede2_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
-	     DES_key_schedule ks1, DES_key_schedule ks2, DES_cblock (*ivec),
-	     int *num, int enc)
-	{
-	DES_ede3_cfb64_encrypt(in,out,length,ks1,ks2,ks1,ivec,num,enc);
-	}
-#endif
-
 /* This is compatible with the single key CFB-r for DES, even thought that's
  * not what EVP needs.
  */
diff --git a/lib/libcrypto/des/des.h b/lib/libcrypto/des/des.h
index e7585bc3d9d..e1331d3fa2c 100644
--- a/lib/libcrypto/des/des.h
+++ b/lib/libcrypto/des/des.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: des.h,v 1.18 2014/06/12 15:49:28 deraadt Exp $ */
+/* $OpenBSD: des.h,v 1.19 2015/02/07 13:19:15 doug Exp $ */
 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -178,11 +178,6 @@ void DES_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
 			    long length,DES_key_schedule *ks1,
 			    DES_key_schedule *ks2,DES_key_schedule *ks3,
 			    DES_cblock *ivec,int *num);
-#if 0
-void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white,
-		       DES_cblock *out_white);
-#endif
-
 int DES_enc_read(int fd,void *buf,int len,DES_key_schedule *sched,
 		 DES_cblock *iv);
 int DES_enc_write(int fd,const void *buf,int len,DES_key_schedule *sched,
diff --git a/lib/libcrypto/des/ofb64ede.c b/lib/libcrypto/des/ofb64ede.c
index 1d916e93056..474d38caaf7 100644
--- a/lib/libcrypto/des/ofb64ede.c
+++ b/lib/libcrypto/des/ofb64ede.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ofb64ede.c,v 1.5 2014/10/28 07:35:58 jsg Exp $ */
+/* $OpenBSD: ofb64ede.c,v 1.6 2015/02/07 13:19:15 doug Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -105,8 +105,6 @@ void DES_ede3_ofb64_encrypt(const unsigned char *in,
 		}
 	if (save)
 		{
-/*		v0=ti[0];
-		v1=ti[1];*/
 		iv = &(*ivec)[0];
 		l2c(v0,iv);
 		l2c(v1,iv);
@@ -114,12 +112,3 @@ void DES_ede3_ofb64_encrypt(const unsigned char *in,
 	v0=v1=ti[0]=ti[1]=0;
 	*num=n;
 	}
-
-#ifdef undef /* MACRO */
-void DES_ede2_ofb64_encrypt(unsigned char *in,
-	     unsigned char *out, long length, DES_key_schedule k1,
-	     DES_key_schedule k2, DES_cblock (*ivec), int *num)
-	{
-	DES_ede3_ofb64_encrypt(in, out, length, k1,k2,k1, ivec, num);
-	}
-#endif
diff --git a/lib/libcrypto/des/xcbc_enc.c b/lib/libcrypto/des/xcbc_enc.c
index dc4607e8aa8..4f7a0701039 100644
--- a/lib/libcrypto/des/xcbc_enc.c
+++ b/lib/libcrypto/des/xcbc_enc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: xcbc_enc.c,v 1.8 2014/10/28 07:35:58 jsg Exp $ */
+/* $OpenBSD: xcbc_enc.c,v 1.9 2015/02/07 13:19:15 doug Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -60,55 +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,