+void *ASN1_d2i_bio(void *(*xnew)(void), d2i_of_void *d2i, BIO *in, void **x)
+ {
+ BUF_MEM *b = NULL;
+ const unsigned char *p;
+ void *ret=NULL;
+ int len;
+
+ len = asn1_d2i_read_bio(in, &b);
+ if(len < 0) goto err;
+
+ p=(unsigned char *)b->data;
+ ret=d2i(x,&p,len);
+err:
+ if (b != NULL) BUF_MEM_free(b);
+ return(ret);
+ }
+
+#endif
+
+void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x)
+ {
+ BUF_MEM *b = NULL;
+ const unsigned char *p;
+ void *ret=NULL;
+ int len;
+
+ len = asn1_d2i_read_bio(in, &b);
+ if(len < 0) goto err;
+
+ p=(const unsigned char *)b->data;
+ ret=ASN1_item_d2i(x,&p,len, it);
+err:
+ if (b != NULL) BUF_MEM_free(b);
+ return(ret);
+ }
+
+#ifndef OPENSSL_NO_FP_API
+void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x)
+ {
+ BIO *b;
+ char *ret;
+
+ if ((b=BIO_new(BIO_s_file())) == NULL)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_D2I_FP,ERR_R_BUF_LIB);
+ return(NULL);
+ }
+ BIO_set_fp(b,in,BIO_NOCLOSE);
+ ret=ASN1_item_d2i_bio(it,b,x);
+ BIO_free(b);
+ return(ret);
+ }
+#endif
+
+#define HEADER_SIZE 8
+static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)