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</header>
<p>This document describes the changes made to the Crypto application.</p>
+<section><title>Crypto 4.3.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ The RSA options <c>rsa_mgf1_md</c>, <c>rsa_oaep_md</c>,
+ and <c>rsa_oaep_label</c> were always disabled. They will
+ now be enabled when a suitable cryptolib is used.</p>
+ <p>
+ They are still experimental and may change without prior
+ notice.</p>
+ <p>
+ Own Id: OTP-15212 Aux Id: ERL-675, PR1899, PR838 </p>
+ </item>
+ <item>
+ <p>
+ The ciphers <c>aes_ige256</c> and <c>blowfish_cbc</c> had
+ naming issues in <c>crypto:next_iv/2</c>.</p>
+ <p>
+ Own Id: OTP-15283</p>
+ </item>
+ <item>
+ <p>
+ the <c>RSA_SSLV23_PADDING</c> is disabled if LibreSSL is
+ used as cryptlib. This is due to compilation problems.</p>
+ <p>
+ This will be investigated further in the future.</p>
+ <p>
+ Own Id: OTP-15303</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ The supported named elliptic curves are now reported in
+ <c>crypto:supports/0</c> in a new entry tagged by
+ <c>'curves'</c>.</p>
+ <p>
+ The function <c>crypto:ec_curves/0</c> is kept for
+ compatibility.</p>
+ <p>
+ Own Id: OTP-14717 Aux Id: OTP-15244 </p>
+ </item>
+ <item>
+ <p>
+ The typing in the CRYPTO and PUBLIC_KEY applications are
+ reworked and a few mistakes are corrected.</p>
+ <p>
+ The documentation is now generated from the typing and
+ some clarifications are made.</p>
+ <p>
+ A new chapter on Algorithm Details such as key sizes and
+ availability is added to the CRYPTO User's Guide.</p>
+ <p>
+ Own Id: OTP-15134</p>
+ </item>
+ <item>
+ <p>
+ Support for SHA3 both as a separate hash and in HMAC is
+ now available if OpenSSL 1.1.1 or higher is used as
+ cryptolib.</p>
+ <p>
+ Available lengths are reported in the <c>'hashs'</c>
+ entry in <c>crypto:supports/0</c> as <c>sha3_*</c>.</p>
+ <p>
+ Own Id: OTP-15153</p>
+ </item>
+ <item>
+ <p>
+ The mac algorithm <c>poly1305</c> and the cipher
+ algorithm <c>chacha20</c> are now supported if OpenSSL
+ 1.1.1 or higher is used as cryptolib.</p>
+ <p>
+ Own Id: OTP-15164 Aux Id: OTP-15209 </p>
+ </item>
+ <item>
+ <p>
+ The key exchange Edward curves <c>x25519</c> and
+ <c>x448</c> are now supported if OpenSSL 1.1.1 or higher
+ is used as cryptolib.</p>
+ <p>
+ Own Id: OTP-15240 Aux Id: OTP-15133 </p>
+ </item>
+ <item>
+ <p>
+ The supported RSA options for sign/verify and
+ encrypt/decrypt are now reported in
+ <c>crypto:supports/0</c> in a new entry tagged by
+ '<c>rsa_opts</c>'.</p>
+ <p>
+ The exakt set is still experimental and may change
+ without prior notice.</p>
+ <p>
+ Own Id: OTP-15260</p>
+ </item>
+ <item>
+ <p>
+ The cipher <c>aes_ccm</c> is added.</p>
+ <p>
+ Own Id: OTP-15286</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Crypto 4.3.2</title>
<section><title>Fixed Bugs and Malfunctions</title>