1 files changed, 305 insertions, 0 deletions

diff --git a/src/lib/libcrypto/asn1/a_int.c b/src/lib/libcrypto/asn1/a_int.c
new file mode 100644
index 0000000000..df79cf99bb
--- /dev/null
+++ b/src/lib/libcrypto/asn1/a_int.c
@@ -0,0 +1,305 @@
+/* crypto/asn1/a_int.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 "asn1.h"
+
+/* ASN1err(ASN1_F_D2I_ASN1_INTEGER,ASN1_R_EXPECTING_AN_INTEGER);
+ */
+
+int i2d_ASN1_INTEGER(a,pp)
+ASN1_INTEGER *a;
+unsigned char **pp;
+        {
+        int pad=0,ret,r,i,t;
+        unsigned char *p,*pt,*n,pb=0;
+
+        if ((a == NULL) || (a->data == NULL)) return(0);
+        t=a->type;
+        if (a->length == 0)
+                ret=1;
+        else
+                {
+                ret=a->length;
+                i=a->data[0];
+                if ((t == V_ASN1_INTEGER) && (i > 127))
+                        {
+                        pad=1;
+                        pb=0;
+                        }
+                else if ((t == V_ASN1_NEG_INTEGER) && (i>128))
+                        {
+                        pad=1;
+                        pb=0xFF;
+                        }
+                ret+=pad;
+                }
+        r=ASN1_object_size(0,ret,V_ASN1_INTEGER);
+        if (pp == NULL) return(r);
+        p= *pp;
+
+        ASN1_put_object(&p,0,ret,V_ASN1_INTEGER,V_ASN1_UNIVERSAL);
+        if (pad) *(p++)=pb;
+        if (a->length == 0)
+                *(p++)=0;
+        else if (t == V_ASN1_INTEGER)
+                {
+                memcpy(p,a->data,(unsigned int)a->length);
+                p+=a->length;
+                }
+        else
+                {
+                n=a->data;
+                pt=p;
+                for (i=a->length; i>0; i--)
+                        *(p++)= (*(n++)^0xFF)+1;
+                if (!pad) *pt|=0x80;
+                }
+
+        *pp=p;
+        return(r);
+        }
+
+ASN1_INTEGER *d2i_ASN1_INTEGER(a, pp, length)
+ASN1_INTEGER **a;
+unsigned char **pp;
+long length;
+        {
+        ASN1_INTEGER *ret=NULL;
+        unsigned char *p,*to,*s;
+        long len;
+        int inf,tag,xclass;
+        int i;
+
+        if ((a == NULL) || ((*a) == NULL))
+                {
+                if ((ret=ASN1_INTEGER_new()) == NULL) return(NULL);
+                ret->type=V_ASN1_INTEGER;
+                }
+        else
+                ret=(*a);
+
+        p= *pp;
+        inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
+        if (inf & 0x80)
+                {
+                i=ASN1_R_BAD_OBJECT_HEADER;
+                goto err;
+                }
+
+        if (tag != V_ASN1_INTEGER)
+                {
+                i=ASN1_R_EXPECTING_AN_INTEGER;
+                goto err;
+                }
+
+        /* We must Malloc stuff, even for 0 bytes otherwise it
+         * signifies a missing NULL parameter. */
+        s=(unsigned char *)Malloc((int)len+1);
+        if (s == NULL)
+                {
+                i=ERR_R_MALLOC_FAILURE;
+                goto err;
+                }
+        to=s;
+        if (*p & 0x80) /* a negative number */
+                {
+                ret->type=V_ASN1_NEG_INTEGER;
+                if (*p == 0xff)
+                        {
+                        p++;
+                        len--;
+                        }
+                for (i=(int)len; i>0; i--)
+                        *(to++)= (*(p++)^0xFF)+1;
+                }
+        else
+                {
+                ret->type=V_ASN1_INTEGER;
+                if ((*p == 0) && (len != 1))
+                        {
+                        p++;
+                        len--;
+                        }
+                memcpy(s,p,(int)len);
+                p+=len;
+                }
+
+        if (ret->data != NULL) Free((char *)ret->data);
+        ret->data=s;
+        ret->length=(int)len;
+        if (a != NULL) (*a)=ret;
+        *pp=p;
+        return(ret);
+err:
+        ASN1err(ASN1_F_D2I_ASN1_INTEGER,i);
+        if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+                ASN1_INTEGER_free(ret);
+        return(NULL);
+        }
+
+int ASN1_INTEGER_set(a,v)
+ASN1_INTEGER *a;
+long v;
+        {
+        int i,j,k;
+        unsigned char buf[sizeof(long)+1];
+        long d;
+
+        a->type=V_ASN1_INTEGER;
+        if (a->length < (sizeof(long)+1))
+                {
+                if (a->data != NULL)
+                        Free((char *)a->data);
+                if ((a->data=(unsigned char *)Malloc(sizeof(long)+1)) != NULL)
+                        memset((char *)a->data,0,sizeof(long)+1);
+                }
+        if (a->data == NULL)
+                {
+                ASN1err(ASN1_F_ASN1_INTEGER_SET,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        d=v;
+        if (d < 0)
+                {
+                d= -d;
+                a->type=V_ASN1_NEG_INTEGER;
+                }
+
+        for (i=0; i<sizeof(long); i++)
+                {
+                if (d == 0) break;
+                buf[i]=(int)d&0xff;
+                d>>=8;
+                }
+        j=0;
+        if (v < 0) a->data[j++]=0;
+        for (k=i-1; k >=0; k--)
+                a->data[j++]=buf[k];
+        a->length=j;
+        return(1);
+        }
+
+long ASN1_INTEGER_get(a)
+ASN1_INTEGER *a;
+        {
+        int neg=0,i;
+        long r=0;
+
+        if (a == NULL) return(0L);
+        i=a->type;
+        if (i == V_ASN1_NEG_INTEGER)
+                neg=1;
+        else if (i != V_ASN1_INTEGER)
+                return(0);
+        
+        if (a->length > sizeof(long))
+                {
+                /* hmm... a bit ugly */
+                return(0xffffffffL);
+                }
+        if (a->data == NULL)
+                return(0);
+
+        for (i=0; i<a->length; i++)
+                {
+                r<<=8;
+                r|=(unsigned char)a->data[i];
+                }
+        if (neg) r= -r;
+        return(r);
+        }
+
+ASN1_INTEGER *BN_to_ASN1_INTEGER(bn,ai)
+BIGNUM *bn;
+ASN1_INTEGER *ai;
+        {
+        ASN1_INTEGER *ret;
+        int len,j;
+
+        if (ai == NULL)
+                ret=ASN1_INTEGER_new();
+        else
+                ret=ai;
+        if (ret == NULL)
+                {
+                ASN1err(ASN1_F_BN_TO_ASN1_INTEGER,ASN1_R_ERROR_STACK);
+                goto err;
+                }
+        ret->type=V_ASN1_INTEGER;
+        j=BN_num_bits(bn);
+        len=((j == 0)?0:((j/8)+1));
+        ret->data=(unsigned char *)Malloc(len+4);
+        ret->length=BN_bn2bin(bn,ret->data);
+        return(ret);
+err:
+        if (ret != ai) ASN1_INTEGER_free(ret);
+        return(NULL);
+        }
+
+BIGNUM *ASN1_INTEGER_to_BN(ai,bn)
+ASN1_INTEGER *ai;
+BIGNUM *bn;
+        {
+        BIGNUM *ret;
+
+        if ((ret=BN_bin2bn(ai->data,ai->length,bn)) == NULL)
+                ASN1err(ASN1_F_ASN1_INTEGER_TO_BN,ASN1_R_BN_LIB);
+        return(ret);
+        }