From 9881744c95737264c7cd9f13b3c70042c03584aa Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Fri, 1 Jan 2021 23:58:06 +0100
Subject: Windows: Add support for ARM64 platform (e.g. Microsoft Surface Pro
 X). System encryption still not implemented on ARM64

---
 src/Common/Crypto.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/Common/Crypto.c')

diff --git a/src/Common/Crypto.c b/src/Common/Crypto.c
index 550de2b3..4745f981 100644
--- a/src/Common/Crypto.c
+++ b/src/Common/Crypto.c
@@ -1195,6 +1195,8 @@ BOOL IsAesHwCpuSupported ()
 	}
 
 	return state && !HwEncryptionDisabled;
+#elif defined (_M_ARM64)
+	return 0;
 #else
 	return (HasAESNI() && !HwEncryptionDisabled)? TRUE : FALSE;
 #endif
@@ -1476,3 +1478,29 @@ void VcUnprotectKeys (PCRYPTO_INFO pCryptoInfo, uint64 encID)
 
 #endif
 
+#ifdef _M_ARM64
+/* dummy implementation that should never be called */
+void aes_hw_cpu_decrypt(const byte* ks, byte* data)
+{
+	ks = ks;
+	data = data;
+}
+
+void aes_hw_cpu_decrypt_32_blocks(const byte* ks, byte* data)
+{
+	ks = ks;
+	data = data;
+}
+
+void aes_hw_cpu_encrypt(const byte* ks, byte* data)
+{
+	ks = ks;
+	data = data;
+}
+
+void aes_hw_cpu_encrypt_32_blocks(const byte* ks, byte* data)
+{
+	ks = ks;
+	data = data;
+}
+#endif
-- 
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