From 425889ba69b69a9b6fb14bfbef121d51b78e853a Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Tue, 23 Apr 2019 17:38:37 +0200
Subject: Prepare release

---
 lib/crypto/doc/src/notes.xml | 131 +++++++++++++++++++++++++++++++++++++++++++
 lib/crypto/vsn.mk            |   2 +-
 2 files changed, 132 insertions(+), 1 deletion(-)

(limited to 'lib/crypto')

diff --git a/lib/crypto/doc/src/notes.xml b/lib/crypto/doc/src/notes.xml
index 195c9d029d..1f549f3295 100644
--- a/lib/crypto/doc/src/notes.xml
+++ b/lib/crypto/doc/src/notes.xml
@@ -31,6 +31,137 @@
   </header>
   <p>This document describes the changes made to the Crypto application.</p>
 
+<section><title>Crypto 4.5</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    Fixed a bug in error return for <c>crypto:poly1305/2</c>.
+	    It returned the atom <c>notsup</c> instead of the
+	    exception <c>notsup</c>.</p>
+          <p>
+	    *** POTENTIAL INCOMPATIBILITY ***</p>
+          <p>
+	    Own Id: OTP-15677</p>
+        </item>
+        <item>
+          <p>
+	    The cipher chacha20 was introduced in OpenSSL 1.1.0.
+	    However, it could in a very odd situation, fail for
+	    versions less than OpenSSL 1.1.0d. It is therefore
+	    disabled for those versions.</p>
+          <p>
+	    *** POTENTIAL INCOMPATIBILITY ***</p>
+          <p>
+	    Own Id: OTP-15678</p>
+        </item>
+      </list>
+    </section>
+
+
+    <section><title>Improvements and New Features</title>
+      <list>
+        <item>
+	    <p> A new <c>rand</c> module algorithm, <c>exro928ss</c>
+	    (Xoroshiro928**), has been implemented. It has got a
+	    really long period and good statistical quality for all
+	    output bits, while still being only about 50% slower than
+	    the default algorithm. </p><p> The same generator is also
+	    used as a long period counter in a new <c>crypto</c>
+	    plugin for the <c>rand</c> module, algorithm
+	    <c>crypto_aes</c>. This plugin uses AES-256 to scramble
+	    the counter which buries any detectable statistical
+	    artifacts. Scrambling is done in chunks which are cached
+	    to get good amortized speed (about half of the default
+	    algorithm). </p>
+          <p>
+	    Own Id: OTP-14461 Aux Id: PR-1857 </p>
+        </item>
+        <item>
+          <p>
+	    Crypto's single C-file is splitted into multiple files.
+	    The different coding styles in the different parts are
+	    unified into a single style.</p>
+          <p>
+	    Own Id: OTP-14732 Aux Id: PR-2068, PR-2095 </p>
+        </item>
+        <item>
+          <p>
+	    Build configuration of the <c>crypto</c> application has
+	    been moved from the <c>erts</c> application into the
+	    <c>crypto</c> application.</p>
+          <p>
+	    Own Id: OTP-15129</p>
+        </item>
+        <item>
+          <p>
+	    Adds two hash functions <c>blake2b</c> and <c>blake2s</c>
+	    (64 bit hash and 32 bit hash respectively). These are
+	    modern and standard hash functions used in blockchains
+	    and encrypted communication protocols. The hash functions
+	    are available in OpenSSL since version 1.1.1.</p>
+          <p>
+	    Own Id: OTP-15564 Aux Id: PR-2129 </p>
+        </item>
+        <item>
+          <p>
+	    A new API is implemented in crypto. See the CRYPTO user's
+	    guide, chapter <i>New and Old API</i> for more
+	    information.</p>
+          <p>
+	    The old api with the <c>crypto:block_*</c> and
+	    <c>crypto:stream_*</c> interfaces is kept for
+	    compatibility, but implemented with the new api. Please
+	    note that since the error checking is more thorough,
+	    there <i>might</i> be arguments with for example faulty
+	    lengths that are no longer accepted.</p>
+          <p>
+	    *** POTENTIAL INCOMPATIBILITY ***</p>
+          <p>
+	    Own Id: OTP-15644 Aux Id: OTP-14732 , OTP-15451, PR-1857
+	    , PR-2068, PR-2095 </p>
+        </item>
+        <item>
+          <p>
+	    The new hash_info/1 and cipher_info/1 functions returns
+	    maps with information about the hash or cipher in the
+	    argument.</p>
+          <p>
+	    Own Id: OTP-15655 Aux Id: PR-2173, ERL-864, PR-2186 </p>
+        </item>
+        <item>
+          <p>
+	    Obey additional OpenSSL configure flags when compiling
+	    the C-part of the CRYPTO application: <c>no-bf</c>,
+	    <c>no-blake2</c>, <c>no-chacha</c>, <c>no-cmac</c>,
+	    <c>no-dh</c>, <c>no-dsa</c>, <c>no-md4</c>,
+	    <c>no-poly1305</c>, <c>no-rc2</c>, <c>no-rc4</c> and
+	    <c>no-rmd160</c>.</p>
+          <p>
+	    Own Id: OTP-15683</p>
+        </item>
+        <item>
+          <p>
+	    A new function <c>crypto:supports/1</c> is introduced.
+	    The single argument takes an atom as argument:
+	    <c>hashs</c>, <c>public_keys</c>, <c>ciphers</c>,
+	    <c>macs</c>, <c>curves</c> or <c>rsa_opts</c>. The return
+	    value is a list of supported algorithms.</p>
+          <p>
+	    The difference with the existing <c>crypto:supports/0</c>
+	    is, apart from the argument and the return value, that
+	    the old function reports what is supported by the old
+	    api, and the new function reports algorithms in the new
+	    api.</p>
+          <p>
+	    Own Id: OTP-15771</p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Crypto 4.4.2</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/crypto/vsn.mk b/lib/crypto/vsn.mk
index 0a3d9f45e4..72a51bfec9 100644
--- a/lib/crypto/vsn.mk
+++ b/lib/crypto/vsn.mk
@@ -1 +1 @@
-CRYPTO_VSN = 4.4.2
+CRYPTO_VSN = 4.5
-- 
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