Update FAQ.

[openssl.git] / FAQ

diff --git a/FAQ b/FAQ
index 45a1deadef7403ced679f3c234d41dc8cbefca6d..06faf91a5e92f852c9bba06b91bbc01ba5df3ea1 100644 (file)
--- a/FAQ
+++ b/FAQ
@@ -70,7 +70,7 @@ OpenSSL  -  Frequently Asked Questions
 * Which is the current version of OpenSSL?
 
 The current version is available from <URL: http://www.openssl.org>.
-OpenSSL 0.9.7c was released on September 30, 2003.
+OpenSSL 0.9.7g was released on April 11, 2005.
 
 In addition to the current stable release, you can also access daily
 snapshots of the OpenSSL development version at <URL:
@@ -152,7 +152,8 @@ Use MD5 to check that a tarball from a mirror site is identical:
    md5sum TARBALL | awk '{print $1;}' | cmp - TARBALL.md5
 
 You can check authenticity using pgp or gpg. You need the OpenSSL team
-member public key used to sign it (download it from a key server). Then
+member public key used to sign it (download it from a key server, see a
+list of keys at <URL: http://www.openssl.org/about/>). Then
 just do:
 
    pgp TARBALL.asc
@@ -166,8 +167,8 @@ you if you want to use OpenSSL.  For information on intellectual
 property rights, please consult a lawyer.  The OpenSSL team does not
 offer legal advice.
 
-You can configure OpenSSL so as not to use RC5 and IDEA by using
- ./config no-rc5 no-idea
+You can configure OpenSSL so as not to use IDEA, MDC2 and RC5 by using
+ ./config no-idea no-mdc2 no-rc5
 
 
 * Can I use OpenSSL with GPL software?
@@ -472,6 +473,10 @@ This will only compile sha_dgst.c with -O0, the rest with the optimization
 level chosen by the configuration process.  When the above is done, do the
 test and installation and you're set.
 
+3. Reconfigure the toolkit with no-sha0 option to leave out SHA0. It 
+should not be used and is not used in SSL/TLS nor any other recognized
+protocol in either case.
+
 
 * Why does the OpenSSL compilation fail with "ar: command not found"?
 
@@ -788,9 +793,20 @@ that is allocated when an application starts up. Since such tables do not grow
 in size over time they are harmless.
 
 These internal tables can be freed up when an application closes using various
-functions.  Currently these include: EVP_cleanup(), ERR_remove_state(),
-ERR_free_strings(), ENGINE_cleanup(), CONF_modules_unload() and
-CRYPTO_cleanup_all_ex_data().
+functions.  Currently these include following:
+
+Thread-local cleanup functions:
+
+  ERR_remove_state()
+
+Application-global cleanup functions that are aware of usage (and therefore
+thread-safe):
+
+  ENGINE_cleanup() and CONF_modules_unload()
+
+"Brutal" (thread-unsafe) Application-global cleanup functions:
+
+  ERR_free_strings(), EVP_cleanup() and CRYPTO_cleanup_all_ex_data().
 
 
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