Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/evp/encode.c

Index: openssl/crypto/evp/encode.c
diff --git a/openssl/crypto/evp/encode.c b/openssl/crypto/evp/encode.c
deleted file mode 100644
index 4654bdc61a64838353562a57ec85e14a623fdfa2..0000000000000000000000000000000000000000
--- a/openssl/crypto/evp/encode.c
+++ /dev/null
@@ -1,446 +0,0 @@
-/* crypto/evp/encode.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/evp.h>
-
-#ifndef CHARSET_EBCDIC
-#define conv_bin2ascii(a)	(data_bin2ascii[(a)&0x3f])
-#define conv_ascii2bin(a)	(data_ascii2bin[(a)&0x7f])
-#else
-/* We assume that PEM encoded files are EBCDIC files
- * (i.e., printable text files). Convert them here while decoding.
- * When encoding, output is EBCDIC (text) format again.
- * (No need for conversion in the conv_bin2ascii macro, as the
- * underlying textstring data_bin2ascii[] is already EBCDIC)
- */
-#define conv_bin2ascii(a)	(data_bin2ascii[(a)&0x3f])
-#define conv_ascii2bin(a)	(data_ascii2bin[os_toascii[a]&0x7f])
-#endif
-
-/* 64 char lines
- * pad input with 0
- * left over chars are set to =
- * 1 byte  => xx==
- * 2 bytes => xxx=
- * 3 bytes => xxxx
- */
-#define BIN_PER_LINE    (64/4*3)
-#define CHUNKS_PER_LINE (64/4)
-#define CHAR_PER_LINE   (64+1)
-
-static const unsigned char data_bin2ascii[65]="ABCDEFGHIJKLMNOPQRSTUVWXYZ\
-abcdefghijklmnopqrstuvwxyz0123456789+/";
-
-/* 0xF0 is a EOLN
- * 0xF1 is ignore but next needs to be 0xF0 (for \r\n processing).
- * 0xF2 is EOF
- * 0xE0 is ignore at start of line.
- * 0xFF is error
- */
-
-#define B64_EOLN		0xF0
-#define B64_CR			0xF1
-#define B64_EOF			0xF2
-#define B64_WS			0xE0
-#define B64_ERROR       	0xFF
-#define B64_NOT_BASE64(a)	(((a)|0x13) == 0xF3)
-
-static const unsigned char data_ascii2bin[128]={
-	0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
-	0xFF,0xE0,0xF0,0xFF,0xFF,0xF1,0xFF,0xFF,
-	0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
-	0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
-	0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
-	0xFF,0xFF,0xFF,0x3E,0xFF,0xF2,0xFF,0x3F,
-	0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,
-	0x3C,0x3D,0xFF,0xFF,0xFF,0x00,0xFF,0xFF,
-	0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06,
-	0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,
-	0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16,
-	0x17,0x18,0x19,0xFF,0xFF,0xFF,0xFF,0xFF,
-	0xFF,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,
-	0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
-	0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,0x30,
-	0x31,0x32,0x33,0xFF,0xFF,0xFF,0xFF,0xFF,
-	};
-
-void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
-	{
-	ctx->length=48;
-	ctx->num=0;
-	ctx->line_num=0;
-	}
-
-void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
-	     const unsigned char *in, int inl)
-	{
-	int i,j;
-	unsigned int total=0;
-
-	*outl=0;
-	if (inl == 0) return;
-	OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
-	if ((ctx->num+inl) < ctx->length)
-		{
-		memcpy(&(ctx->enc_data[ctx->num]),in,inl);
-		ctx->num+=inl;
-		return;
-		}
-	if (ctx->num != 0)
-		{
-		i=ctx->length-ctx->num;
-		memcpy(&(ctx->enc_data[ctx->num]),in,i);
-		in+=i;
-		inl-=i;
-		j=EVP_EncodeBlock(out,ctx->enc_data,ctx->length);
-		ctx->num=0;
-		out+=j;
-		*(out++)='\n';
-		*out='\0';
-		total=j+1;
-		}
-	while (inl >= ctx->length)
-		{
-		j=EVP_EncodeBlock(out,in,ctx->length);
-		in+=ctx->length;
-		inl-=ctx->length;
-		out+=j;
-		*(out++)='\n';
-		*out='\0';
-		total+=j+1;
-		}
-	if (inl != 0)
-		memcpy(&(ctx->enc_data[0]),in,inl);
-	ctx->num=inl;
-	*outl=total;
-	}
-
-void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
-	{
-	unsigned int ret=0;
-
-	if (ctx->num != 0)
-		{
-		ret=EVP_EncodeBlock(out,ctx->enc_data,ctx->num);
-		out[ret++]='\n';
-		out[ret]='\0';
-		ctx->num=0;
-		}
-	*outl=ret;
-	}
-
-int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int dlen)
-	{
-	int i,ret=0;
-	unsigned long l;
-
-	for (i=dlen; i > 0; i-=3)
-		{
-		if (i >= 3)
-			{
-			l=	(((unsigned long)f[0])<<16L)|
-				(((unsigned long)f[1])<< 8L)|f[2];
-			*(t++)=conv_bin2ascii(l>>18L);
-			*(t++)=conv_bin2ascii(l>>12L);
-			*(t++)=conv_bin2ascii(l>> 6L);
-			*(t++)=conv_bin2ascii(l     );
-			}
-		else
-			{
-			l=((unsigned long)f[0])<<16L;
-			if (i == 2) l|=((unsigned long)f[1]<<8L);
-
-			*(t++)=conv_bin2ascii(l>>18L);
-			*(t++)=conv_bin2ascii(l>>12L);
-			*(t++)=(i == 1)?'=':conv_bin2ascii(l>> 6L);
-			*(t++)='=';
-			}
-		ret+=4;
-		f+=3;
-		}
-
-	*t='\0';
-	return(ret);
-	}
-
-void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
-	{
-	ctx->length=30;
-	ctx->num=0;
-	ctx->line_num=0;
-	ctx->expect_nl=0;
-	}
-
-/* -1 for error
- *  0 for last line
- *  1 for full line
- */
-int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
-	     const unsigned char *in, int inl)
-	{
-	int seof= -1,eof=0,rv= -1,ret=0,i,v,tmp,n,ln,exp_nl;
-	unsigned char *d;
-
-	n=ctx->num;
-	d=ctx->enc_data;
-	ln=ctx->line_num;
-	exp_nl=ctx->expect_nl;
-
-	/* last line of input. */
-	if ((inl == 0) || ((n == 0) && (conv_ascii2bin(in[0]) == B64_EOF)))
-		{ rv=0; goto end; }
-		
-	/* We parse the input data */
-	for (i=0; i<inl; i++)
-		{
-		/* If the current line is > 80 characters, scream alot */
-		if (ln >= 80) { rv= -1; goto end; }
-
-		/* Get char and put it into the buffer */
-		tmp= *(in++);
-		v=conv_ascii2bin(tmp);
-		/* only save the good data :-) */
-		if (!B64_NOT_BASE64(v))
-			{
-			OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
-			d[n++]=tmp;
-			ln++;
-			}
-		else if (v == B64_ERROR)
-			{
-			rv= -1;
-			goto end;
-			}
-
-		/* have we seen a '=' which is 'definitly' the last
-		 * input line.  seof will point to the character that
-		 * holds it. and eof will hold how many characters to
-		 * chop off. */
-		if (tmp == '=')
-			{
-			if (seof == -1) seof=n;
-			eof++;
-			}
-
-		if (v == B64_CR)
-			{
-			ln = 0;
-			if (exp_nl)
-				continue;
-			}
-
-		/* eoln */
-		if (v == B64_EOLN)
-			{
-			ln=0;
-			if (exp_nl)
-				{
-				exp_nl=0;
-				continue;
-				}
-			}
-		exp_nl=0;
-
-		/* If we are at the end of input and it looks like a
-		 * line, process it. */
-		if (((i+1) == inl) && (((n&3) == 0) || eof))
-			{
-			v=B64_EOF;
-			/* In case things were given us in really small
-			   records (so two '=' were given in separate
-			   updates), eof may contain the incorrect number
-			   of ending bytes to skip, so let's redo the count */
-			eof = 0;
-			if (d[n-1] == '=') eof++;
-			if (d[n-2] == '=') eof++;
-			/* There will never be more than two '=' */
-			}
-
-		if ((v == B64_EOF && (n&3) == 0) || (n >= 64))
-			{
-			/* This is needed to work correctly on 64 byte input
-			 * lines.  We process the line and then need to
-			 * accept the '\n' */
-			if ((v != B64_EOF) && (n >= 64)) exp_nl=1;
-			if (n > 0)
-				{
-				v=EVP_DecodeBlock(out,d,n);
-				n=0;
-				if (v < 0) { rv=0; goto end; }
-				if (eof > v) { rv=-1; goto end; }
-				ret+=(v-eof);
-				}
-			else
-				{
-				eof=1;
-				v=0;
-				}
-
-			/* This is the case where we have had a short
-			 * but valid input line */
-			if ((v < ctx->length) && eof)
-				{
-				rv=0;
-				goto end;
-				}
-			else
-				ctx->length=v;
-
-			if (seof >= 0) { rv=0; goto end; }
-			out+=v;
-			}
-		}
-	rv=1;
-end:
-	*outl=ret;
-	ctx->num=n;
-	ctx->line_num=ln;
-	ctx->expect_nl=exp_nl;
-	return(rv);
-	}
-
-int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
-	{
-	int i,ret=0,a,b,c,d;
-	unsigned long l;
-
-	/* trim white space from the start of the line. */
-	while ((conv_ascii2bin(*f) == B64_WS) && (n > 0))
-		{
-		f++;
-		n--;
-		}
-
-	/* strip off stuff at the end of the line
-	 * ascii2bin values B64_WS, B64_EOLN, B64_EOLN and B64_EOF */
-	while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n-1]))))
-		n--;
-
-	if (n%4 != 0) return(-1);
-
-	for (i=0; i<n; i+=4)
-		{
-		a=conv_ascii2bin(*(f++));
-		b=conv_ascii2bin(*(f++));
-		c=conv_ascii2bin(*(f++));
-		d=conv_ascii2bin(*(f++));
-		if (	(a & 0x80) || (b & 0x80) ||
-			(c & 0x80) || (d & 0x80))
-			return(-1);
-		l=(	(((unsigned long)a)<<18L)|
-			(((unsigned long)b)<<12L)|
-			(((unsigned long)c)<< 6L)|
-			(((unsigned long)d)     ));
-		*(t++)=(unsigned char)(l>>16L)&0xff;
-		*(t++)=(unsigned char)(l>> 8L)&0xff;
-		*(t++)=(unsigned char)(l     )&0xff;
-		ret+=3;
-		}
-	return(ret);
-	}
-
-int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
-	{
-	int i;
-
-	*outl=0;
-	if (ctx->num != 0)
-		{
-		i=EVP_DecodeBlock(out,ctx->enc_data,ctx->num);
-		if (i < 0) return(-1);
-		ctx->num=0;
-		*outl=i;
-		return(1);
-		}
-	else
-		return(1);
-	}
-
-#ifdef undef
-int EVP_DecodeValid(unsigned char *buf, int len)
-	{
-	int i,num=0,bad=0;
-
-	if (len == 0) return(-1);
-	while (conv_ascii2bin(*buf) == B64_WS)
-		{
-		buf++;
-		len--;
-		if (len == 0) return(-1);
-		}
-
-	for (i=len; i >= 4; i-=4)
-		{
-		if (	(conv_ascii2bin(buf[0]) >= 0x40) ||
-			(conv_ascii2bin(buf[1]) >= 0x40) ||
-			(conv_ascii2bin(buf[2]) >= 0x40) ||
-			(conv_ascii2bin(buf[3]) >= 0x40))
-			return(-1);
-		buf+=4;
-		num+=1+(buf[2] != '=')+(buf[3] != '=');
-		}
-	if ((i == 1) && (conv_ascii2bin(buf[0]) == B64_EOLN))
-		return(num);
-	if ((i == 2) && (conv_ascii2bin(buf[0]) == B64_EOLN) &&
-		(conv_ascii2bin(buf[0]) == B64_EOLN))
-		return(num);
-	return(1);
-	}
-#endif