From: Dr. Stephen Henson <steve@openssl.org>
Date: Fri, 23 Oct 2009 12:22:54 +0000 (+0000)
Subject: Add an FAQ.
X-Git-Tag: OpenSSL-fips-2_0-rc1~1474
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd57b657a8c31b6808d33f460d9512cbfd7f1e78;p=openssl

Add an FAQ.
---

diff --git a/FAQ b/FAQ
index 6c07b69361..c492c09c5f 100644
--- a/FAQ
+++ b/FAQ
@@ -70,6 +70,7 @@ OpenSSL  -  Frequently Asked Questions
 * I think I've detected a memory leak, is this a bug?
 * Why does Valgrind complain about the use of uninitialized data?
 * Why doesn't a memory BIO work when a file does?
+* Where are the declarations and implementations of d2i_X509() etc?
 
 ===============================================================================
 
@@ -967,4 +968,15 @@ is needed. This must be done by calling:
 See the manual pages for more details.
 
 
+* Where are the declarations and implementations of d2i_X509() etc?
+
+These are defined by macros of the form:
+
+
+ DECLARE_ASN1_FUNCTIONS(X509) and IMPLEMENT_ASN1_FUNCTIONS(X509)
+
+The implementation passes an ASN1 "template" defining the structure into an
+ASN1 interpreter using generalised functions such as ASN1_item_d2i().
+
+
 ===============================================================================