Import of old SSLeay release: SSLeay 0.8.1b

96 files changed, 23361 insertions, 0 deletions

diff --git a/crypto/des/COPYRIGHT b/crypto/des/COPYRIGHT
new file mode 100644
index 0000000000..5469e1e469
--- /dev/null
+++ b/crypto/des/COPYRIGHT
@@ -0,0 +1,50 @@
+Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+All rights reserved.
+
+This package is an DES implementation written by Eric Young (eay@cryptsoft.com).
+The implementation was written so as to conform with MIT's libdes.
+
+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.
+
+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 that the SSL library.  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 software developed by Eric Young (eay@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 license 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 distrubution license
+[including the GNU Public License.]
+
+The reason behind this being stated in this direct manner is past
+experience in code simply being copied and the attribution removed
+from it and then being distributed as part of other packages. This
+implementation was a non-trivial and unpaid effort.
diff --git a/crypto/des/DES.pm b/crypto/des/DES.pm
new file mode 100644
index 0000000000..6a175b6ca4
--- /dev/null
+++ b/crypto/des/DES.pm
@@ -0,0 +1,19 @@
+package DES;
+
+require Exporter;
+require DynaLoader;
+@ISA = qw(Exporter DynaLoader);
+# Items to export into callers namespace by default
+# (move infrequently used names to @EXPORT_OK below)
+@EXPORT = qw(
+);
+# Other items we are prepared to export if requested
+@EXPORT_OK = qw(
+crypt
+);
+
+# Preloaded methods go here.  Autoload methods go after __END__, and are
+# processed by the autosplit program.
+bootstrap DES;
+1;
+__END__
diff --git a/crypto/des/DES.pod b/crypto/des/DES.pod
new file mode 100644
index 0000000000..8a739e7ca0
--- /dev/null
+++ b/crypto/des/DES.pod
@@ -0,0 +1,16 @@
+crypt	<= 	crypt(buf,salt)
+key	<=	set_odd_parity(key)
+int	<=	is_weak_key(key)
+keysched<=	set_key(key)
+key	<=	ecb_encrypt(string8,ks,enc)
+key	<=	ecb3_encrypt(input,ks1,ks2,enc)
+string	<=	cbc_encrypt(input,ks,ivec,enc)			=> ivec 
+string	<=	cbc3_encrypt(input,ks1,ks2,ivec1,ivec2,enc)	=> ivec1&ivec2 
+ck1,ck2	<=	cbc_cksum(input,ks,ivec)			=> ivec
+string	<=	pcbc_encrypt(input,ks,ivec,enc)			=> ivec 
+string	<=	ofb_encrypt(input,numbits,ks,ivec)		=> ivec
+string	<=	cfb_encrypt(input,numbits,ks,ivec,enc)		=> ivec
+key	<=	random_key()
+key	<=	string_to_key(string)
+key1,key2<=	string_to_2keys(string)
+
diff --git a/crypto/des/DES.xs b/crypto/des/DES.xs
new file mode 100644
index 0000000000..b8050b9edf
--- /dev/null
+++ b/crypto/des/DES.xs
@@ -0,0 +1,268 @@
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+#include "des.h"
+
+#define deschar	char
+static STRLEN len;
+
+static int
+not_here(s)
+char *s;
+{
+    croak("%s not implemented on this architecture", s);
+    return -1;
+}
+
+MODULE = DES	PACKAGE = DES	PREFIX = des_
+
+char *
+des_crypt(buf,salt)
+	char *	buf
+	char *	salt
+
+void
+des_set_odd_parity(key)
+	des_cblock *	key
+PPCODE:
+	{
+	SV *s;
+
+	s=sv_newmortal();
+	sv_setpvn(s,(char *)key,8);
+	des_set_odd_parity((des_cblock *)SvPV(s,na));
+	PUSHs(s);
+	}
+
+int
+des_is_weak_key(key)
+	des_cblock *	key
+
+des_key_schedule
+des_set_key(key)
+	des_cblock *	key
+CODE:
+	des_set_key(key,RETVAL);
+OUTPUT:
+RETVAL
+
+des_cblock
+des_ecb_encrypt(input,ks,encrypt)
+	des_cblock *	input
+	des_key_schedule *	ks
+	int	encrypt
+CODE:
+	des_ecb_encrypt(input,&RETVAL,*ks,encrypt);
+OUTPUT:
+RETVAL
+
+void
+des_cbc_encrypt(input,ks,ivec,encrypt)
+	char *	input
+	des_key_schedule *	ks
+	des_cblock *	ivec
+	int	encrypt
+PPCODE:
+	{
+	SV *s;
+	STRLEN len,l;
+	char *c;
+
+	l=SvCUR(ST(0));
+	len=((((unsigned long)l)+7)/8)*8;
+	s=sv_newmortal();
+	sv_setpvn(s,"",0);
+	SvGROW(s,len);
+	SvCUR_set(s,len);
+	c=(char *)SvPV(s,na);
+	des_cbc_encrypt((des_cblock *)input,(des_cblock *)c,
+		l,*ks,ivec,encrypt);
+	sv_setpvn(ST(2),(char *)c[len-8],8);
+	PUSHs(s);
+	}
+
+void
+des_cbc3_encrypt(input,ks1,ks2,ivec1,ivec2,encrypt)
+	char *	input
+	des_key_schedule *	ks1
+	des_key_schedule *	ks2
+	des_cblock *	ivec1
+	des_cblock *	ivec2
+	int	encrypt
+PPCODE:
+	{
+	SV *s;
+	STRLEN len,l;
+
+	l=SvCUR(ST(0));
+	len=((((unsigned long)l)+7)/8)*8;
+	s=sv_newmortal();
+	sv_setpvn(s,"",0);
+	SvGROW(s,len);
+	SvCUR_set(s,len);
+	des_3cbc_encrypt((des_cblock *)input,(des_cblock *)SvPV(s,na),
+		l,*ks1,*ks2,ivec1,ivec2,encrypt);
+	sv_setpvn(ST(3),(char *)ivec1,8);
+	sv_setpvn(ST(4),(char *)ivec2,8);
+	PUSHs(s);
+	}
+
+void
+des_cbc_cksum(input,ks,ivec)
+	char *	input
+	des_key_schedule *	ks
+	des_cblock *	ivec
+PPCODE:
+	{
+	SV *s1,*s2;
+	STRLEN len,l;
+	des_cblock c;
+	unsigned long i1,i2;
+
+	s1=sv_newmortal();
+	s2=sv_newmortal();
+	l=SvCUR(ST(0));
+	des_cbc_cksum((des_cblock *)input,(des_cblock *)c,
+		l,*ks,ivec);
+	i1=c[4]|(c[5]<<8)|(c[6]<<16)|(c[7]<<24);
+	i2=c[0]|(c[1]<<8)|(c[2]<<16)|(c[3]<<24);
+	sv_setiv(s1,i1);
+	sv_setiv(s2,i2);
+	sv_setpvn(ST(2),(char *)c,8);
+	PUSHs(s1);
+	PUSHs(s2);
+	}
+
+void
+des_cfb_encrypt(input,numbits,ks,ivec,encrypt)
+	char *	input
+	int	numbits
+	des_key_schedule *	ks
+	des_cblock *	ivec
+	int	encrypt
+PPCODE:
+	{
+	SV *s;
+	STRLEN len;
+	char *c;
+
+	len=SvCUR(ST(0));
+	s=sv_newmortal();
+	sv_setpvn(s,"",0);
+	SvGROW(s,len);
+	SvCUR_set(s,len);
+	c=(char *)SvPV(s,na);
+	des_cfb_encrypt((unsigned char *)input,(unsigned char *)c,
+		(int)numbits,(long)len,*ks,ivec,encrypt);
+	sv_setpvn(ST(3),(char *)ivec,8);
+	PUSHs(s);
+	}
+
+des_cblock *
+des_ecb3_encrypt(input,ks1,ks2,encrypt)
+	des_cblock *	input
+	des_key_schedule *	ks1
+	des_key_schedule *	ks2
+	int	encrypt
+CODE:
+	{
+	des_cblock c;
+
+	des_ecb3_encrypt((des_cblock *)input,(des_cblock *)&c,
+		*ks1,*ks2,encrypt);
+	RETVAL= &c;
+	}
+OUTPUT:
+RETVAL
+
+void
+des_ofb_encrypt(input,numbits,ks,ivec)
+	unsigned char *	input
+	int	numbits
+	des_key_schedule *	ks
+	des_cblock *	ivec
+PPCODE:
+	{
+	SV *s;
+	STRLEN len,l;
+	unsigned char *c;
+
+	len=SvCUR(ST(0));
+	s=sv_newmortal();
+	sv_setpvn(s,"",0);
+	SvGROW(s,len);
+	SvCUR_set(s,len);
+	c=(unsigned char *)SvPV(s,na);
+	des_ofb_encrypt((unsigned char *)input,(unsigned char *)c,
+		numbits,len,*ks,ivec);
+	sv_setpvn(ST(3),(char *)ivec,8);
+	PUSHs(s);
+	}
+
+void
+des_pcbc_encrypt(input,ks,ivec,encrypt)
+	char *	input
+	des_key_schedule *	ks
+	des_cblock *	ivec
+	int	encrypt
+PPCODE:
+	{
+	SV *s;
+	STRLEN len,l;
+	char *c;
+
+	l=SvCUR(ST(0));
+	len=((((unsigned long)l)+7)/8)*8;
+	s=sv_newmortal();
+	sv_setpvn(s,"",0);
+	SvGROW(s,len);
+	S