net-misc/openssh-8.4_p1: port libressl patch for hpn (bug #745912)

Closes: https://bugs.gentoo.org/745912
Copyright: Sony Interactive Entertainment Inc.
Package-Manager: Portage-3.0.8, Repoman-3.0.1
Signed-off-by: Patrick McLean <chutzpah@gentoo.org>

net-misc/openssh/files/openssh-8.4_p1-hpn-14.22-libressl.patch

@@ -0,0 +1,20 @@
+--- a/openssh-8_3_P1-hpn-AES-CTR-14.22.diff	2020-04-17 10:31:37.392120799 -0700
++++ b/openssh-8_3_P1-hpn-AES-CTR-14.22.diff	2020-04-17 10:32:46.143684424 -0700
+@@ -672,7 +672,7 @@
+ +const EVP_CIPHER *
+ +evp_aes_ctr_mt(void)
+ +{
+-+# if OPENSSL_VERSION_NUMBER >= 0x10100000UL
+++# if (OPENSSL_VERSION_NUMBER >= 0x10100000UL || defined(HAVE_OPAQUE_STRUCTS)) && !defined(LIBRESSL_VERSION_NUMBER)
+ +	static EVP_CIPHER *aes_ctr;
+ +	aes_ctr = EVP_CIPHER_meth_new(NID_undef, 16/*block*/, 16/*key*/);
+ +	EVP_CIPHER_meth_set_iv_length(aes_ctr, AES_BLOCK_SIZE);
+@@ -701,7 +701,7 @@
+ +		EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV;
+ +#  endif /*SSH_OLD_EVP*/
+ +        return &aes_ctr;
+-+# endif /*OPENSSH_VERSION_NUMBER*/
+++# endif /*OPENSSL_VERSION_NUMBER*/
+ +}
+ +
+ +#endif /* defined(WITH_OPENSSL) */

net-misc/openssh/openssh-8.4_p1.ebuild

@@ -188,6 +188,7 @@ src_prepare() {
 		cp $(printf -- "${DISTDIR}/%s\n" "${HPN_PATCHES[@]}") "${hpn_patchdir}" || die
 		pushd "${hpn_patchdir}" &>/dev/null || die
 		eapply "${FILESDIR}"/${P}-hpn-${HPN_VER}-glue.patch
+		eapply "${FILESDIR}"/${PN}-8.4_p1-hpn-${HPN_VER}-libressl.patch
 		if use X509; then
 		#	einfo "Will disable MT AES cipher due to incompatbility caused by X509 patch set"
 		#	# X509 and AES-CTR-MT don't get along, let's just drop it