--- /dev/null
+/* crypto/asn1/evp_asn1.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/asn1.h>
+#include <openssl/asn1_mac.h>
+
+int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len)
+ {
+ ASN1_STRING *os;
+
+ if ((os=M_ASN1_OCTET_STRING_new()) == NULL) return(0);
+ if (!M_ASN1_OCTET_STRING_set(os,data,len))
+ {
+ M_ASN1_OCTET_STRING_free(os);
+ return 0;
+ }
+ ASN1_TYPE_set(a,V_ASN1_OCTET_STRING,os);
+ return(1);
+ }
+
+/* int max_len: for returned value */
+int ASN1_TYPE_get_octetstring(ASN1_TYPE *a, unsigned char *data,
+ int max_len)
+ {
+ int ret,num;
+ unsigned char *p;
+
+ if ((a->type != V_ASN1_OCTET_STRING) || (a->value.octet_string == NULL))
+ {
+ ASN1err(ASN1_F_ASN1_TYPE_GET_OCTETSTRING,ASN1_R_DATA_IS_WRONG);
+ return(-1);
+ }
+ p=M_ASN1_STRING_data(a->value.octet_string);
+ ret=M_ASN1_STRING_length(a->value.octet_string);
+ if (ret < max_len)
+ num=ret;
+ else
+ num=max_len;
+ memcpy(data,p,num);
+ return(ret);
+ }
+
+int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num, unsigned char *data,
+ int len)
+ {
+ int n,size;
+ ASN1_OCTET_STRING os,*osp;
+ ASN1_INTEGER in;
+ unsigned char *p;
+ unsigned char buf[32]; /* when they have 256bit longs,
+ * I'll be in trouble */
+ in.data=buf;
+ in.length=32;
+ os.data=data;
+ os.type=V_ASN1_OCTET_STRING;
+ os.length=len;
+ ASN1_INTEGER_set(&in,num);
+ n = i2d_ASN1_INTEGER(&in,NULL);
+ n+=M_i2d_ASN1_OCTET_STRING(&os,NULL);
+
+ size=ASN1_object_size(1,n,V_ASN1_SEQUENCE);
+
+ if ((osp=ASN1_STRING_new()) == NULL) return(0);
+ /* Grow the 'string' */
+ if (!ASN1_STRING_set(osp,NULL,size))
+ {
+ ASN1_STRING_free(osp);
+ return(0);
+ }
+
+ M_ASN1_STRING_length_set(osp, size);
+ p=M_ASN1_STRING_data(osp);
+
+ ASN1_put_object(&p,1,n,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
+ i2d_ASN1_INTEGER(&in,&p);
+ M_i2d_ASN1_OCTET_STRING(&os,&p);
+
+ ASN1_TYPE_set(a,V_ASN1_SEQUENCE,osp);
+ return(1);
+ }
+
+/* we return the actual length..., num may be missing, in which
+ * case, set it to zero */
+/* int max_len: for returned value */
+int ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a, long *num, unsigned char *data,
+ int max_len)
+ {
+ int ret= -1,n;
+ ASN1_INTEGER *ai=NULL;
+ ASN1_OCTET_STRING *os=NULL;
+ const unsigned char *p;
+ long length;
+ ASN1_const_CTX c;
+
+ if ((a->type != V_ASN1_SEQUENCE) || (a->value.sequence == NULL))
+ {
+ goto err;
+ }
+ p=M_ASN1_STRING_data(a->value.sequence);
+ length=M_ASN1_STRING_length(a->value.sequence);
+
+ c.pp= &p;
+ c.p=p;
+ c.max=p+length;
+ c.error=ASN1_R_DATA_IS_WRONG;
+
+ M_ASN1_D2I_start_sequence();
+ c.q=c.p;
+ if ((ai=d2i_ASN1_INTEGER(NULL,&c.p,c.slen)) == NULL) goto err;
+ c.slen-=(c.p-c.q);
+ c.q=c.p;
+ if ((os=d2i_ASN1_OCTET_STRING(NULL,&c.p,c.slen)) == NULL) goto err;
+ c.slen-=(c.p-c.q);
+ if (!M_ASN1_D2I_end_sequence()) goto err;
+
+ if (num != NULL)
+ *num=ASN1_INTEGER_get(ai);
+
+ ret=M_ASN1_STRING_length(os);
+ if (max_len > ret)
+ n=ret;
+ else
+ n=max_len;
+
+ if (data != NULL)
+ memcpy(data,M_ASN1_STRING_data(os),n);
+ if (0)
+ {
+err:
+ ASN1err(ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING,ASN1_R_DATA_IS_WRONG);
+ }
+ if (os != NULL) M_ASN1_OCTET_STRING_free(os);
+ if (ai != NULL) M_ASN1_INTEGER_free(ai);
+ return(ret);
+ }
+
projects / cassiopeia.git / blobdiff