[SCM] GNU gnutls branch, master, updated. gnutls_2_99_0-32-geea6340

[Nikos Mavrogiannopoulos]

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- Log -----------------------------------------------------------------
commit eea634092861a794e866325fad3735380d14ca7c
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Wed Apr 13 17:27:44 2011 +0200

    fixed and updates in documentation

commit 1e7c99bed3012af756c82446cef989e6d1fcae51
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Wed Apr 13 17:16:07 2011 +0200

    Updated crypto layers documentation.

-----------------------------------------------------------------------

Summary of changes:
 doc/cha-internals.texi       |   21 ++++++++-----
 doc/gnutls-crypto-layers.dia |  Bin 1296 -> 1443 bytes
 doc/gnutls-crypto-layers.eps |   70 +++++++++++++++++++++++++----------------
 doc/gnutls-crypto-layers.pdf |  Bin 9363 -> 10343 bytes
 doc/gnutls-crypto-layers.png |  Bin 19818 -> 21671 bytes
 5 files changed, 56 insertions(+), 35 deletions(-)

diff --git a/doc/cha-internals.texi b/doc/cha-internals.texi
index dabca66..9981778 100644
--- a/doc/cha-internals.texi
+++ b/doc/cha-internals.texi
@@ -194,8 +194,7 @@ _foobar_recv_params (gnutls_session_t session,
 
 int
 _foobar_send_params (gnutls_session_t session,
-                            opaque * data,
-                            size_t _data_size)
+                            gnutls_buffer_st* data)
 @{
   return 0;
 @}
@@ -258,13 +257,12 @@ _gnutls_foobar_recv_params (gnutls_session_t session,
 
 int
 _gnutls_foobar_send_params (gnutls_session_t session,
-                            opaque * data,
-                            size_t data_size)
+                            gnutls_buffer_st * data)
 @{
   if (session->security_parameters.entity == GNUTLS_CLIENT)
-    return foobar_send_client (session, data, data_size);
+    return foobar_send_client (session, data);
   else
-    return foobar_send_server (session, data, data_size);
+    return foobar_send_server (session, data);
 @}
 @end example
 
@@ -360,8 +358,15 @@ options. That is because in most systems where 
hardware-assisted
 cryptographic operations are not available, using this interface might 
 actually reduce performance.
 
-It is possible to override parts of crypto backend both at runtime and compile
-time. Here we discuss the runtime possibility. The API
+In systems that include cryptographic instructions with the CPU's
+instructions set, using the kernel interface will introduce an
+unneeded layer. For this reason GnuTLS includes such optimizations
+found in popular processors such as the AES-NI instruction set.
+This is achieved using a mechanism that
+overrides parts of crypto backend at runtime, once the cryptographic
+instructions are detected.
+
+The next section discusses the runtime possibility. The API
 available for this functionality is in @code{gnutls/crypto.h} header
 file.
 
diff --git a/doc/gnutls-crypto-layers.dia b/doc/gnutls-crypto-layers.dia
index 4340737..ebe56e0 100644
Binary files a/doc/gnutls-crypto-layers.dia and b/doc/gnutls-crypto-layers.dia 
differ
diff --git a/doc/gnutls-crypto-layers.eps b/doc/gnutls-crypto-layers.eps
index 6f71f94..484de89 100644
--- a/doc/gnutls-crypto-layers.eps
+++ b/doc/gnutls-crypto-layers.eps
@@ -1,11 +1,11 @@
 %!PS-Adobe-2.0 EPSF-2.0
-%%Title: /home/jas/src/gnutls-2.12/doc/gnutls-crypto-layers.dia
+%%Title: /home/nmav/cvs/gnutls/doc/gnutls-crypto-layers.dia
 %%Creator: Dia v0.97.1
-%%CreationDate: Sun Feb 20 17:25:49 2011
-%%For: jas
+%%CreationDate: Wed Apr 13 17:15:14 2011
+%%For: nmav
 %%Orientation: Portrait
 %%Magnification: 1.0000
-%%BoundingBox: 0 0 557 479
+%%BoundingBox: 0 0 601 502
 %%BeginSetup
 %%EndSetup
 %%EndComments
@@ -341,27 +341,27 @@ definefont pop
     currentdict end
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--5.400000 -25.425000 translate
+-5.400000 -26.225000 translate
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diff --git a/doc/gnutls-crypto-layers.pdf b/doc/gnutls-crypto-layers.pdf
index 8b6a838..9e94073 100644
Binary files a/doc/gnutls-crypto-layers.pdf and b/doc/gnutls-crypto-layers.pdf 
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diff --git a/doc/gnutls-crypto-layers.png b/doc/gnutls-crypto-layers.png
index aea671e..f25c8a1 100644
Binary files a/doc/gnutls-crypto-layers.png and b/doc/gnutls-crypto-layers.png 
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