From e41dbc3ddbe30a414e73fa25d9c7c304ffe6989e Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 9 Feb 2022 04:04:36 +0100
Subject: Add support for wireless pairing

---
 3rd_party/libsrp6a-sha512/t_sha.h | 125 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 3rd_party/libsrp6a-sha512/t_sha.h

(limited to '3rd_party/libsrp6a-sha512/t_sha.h')

diff --git a/3rd_party/libsrp6a-sha512/t_sha.h b/3rd_party/libsrp6a-sha512/t_sha.h
new file mode 100644
index 0000000..18deec5
--- /dev/null
+++ b/3rd_party/libsrp6a-sha512/t_sha.h
@@ -0,0 +1,125 @@
+#ifndef T_SHA_H
+#define T_SHA_H
+
+#if     !defined(P)
+#ifdef  __STDC__
+#define P(x)    x
+#else
+#define P(x)    ()
+#endif
+#endif
+
+#define SHA_DIGESTSIZE 20
+
+#ifdef OPENSSL
+#define OPENSSL_SHA 1
+#endif
+
+#ifdef TOMCRYPT
+# include <tomcrypt.h>
+# ifdef SHA1
+#  define TOMCRYPT_SHA 1
+# endif
+#endif
+
+#ifdef CRYPTOLIB
+/* The SHA (shs) implementation in CryptoLib 1.x breaks when Update
+ * is called multiple times, so we still use our own code.
+ * Uncomment below if you think your copy of CryptoLib is fixed. */
+/*#define CRYPTOLIB_SHA 1*/
+#endif
+
+#ifdef GCRYPT
+# define GCRYPT_SHA 1
+#endif
+
+#ifdef MBEDTLS
+# define MBEDTLS_SHA 1
+#endif
+
+#ifdef OPENSSL_SHA
+#include <openssl/sha.h>
+
+typedef SHA_CTX SHA1_CTX;
+#define SHA1Init SHA1_Init
+#define SHA1Update SHA1_Update
+#define SHA1Final SHA1_Final
+
+#define SHA512Init SHA512_Init
+#define SHA512Update SHA512_Update
+#define SHA512Final SHA512_Final
+
+#elif defined(TOMCRYPT_SHA)
+/* mycrypt.h already included above */
+
+typedef hash_state SHA1_CTX;
+#define SHA1Init sha1_init
+#define SHA1Update sha1_process
+#define SHA1Final(D,C) sha1_done(C,D)
+
+#elif defined(GCRYPT_SHA)
+#include "gcrypt.h"
+
+typedef gcry_md_hd_t SHA1_CTX;
+#define SHA1Init SHA1Init_gcry
+#define SHA1Update SHA1Update_gcry
+#define SHA1Final SHA1Final_gcry
+typedef gcry_md_hd_t SHA512_CTX;
+#define SHA512Init SHA512Init_gcry
+#define SHA512Update SHA512Update_gcry
+#define SHA512Final SHA512Final_gcry
+
+void SHA1Init_gcry(SHA1_CTX * ctx);
+void SHA1Update_gcry(SHA1_CTX * ctx, const void *data, unsigned int len);
+void SHA1Final_gcry(unsigned char digest[20], SHA1_CTX * ctx);
+
+void SHA512Init_gcry(SHA512_CTX * ctx);
+void SHA512Update_gcry(SHA512_CTX * ctx, const void *data, unsigned int len);
+void SHA512Final_gcry(unsigned char digest[64], SHA512_CTX * ctx);
+
+#elif defined(MBEDTLS_SHA)
+#include <mbedtls/md.h>
+
+typedef mbedtls_md_context_t SHA1_CTX;
+#define SHA1Init SHA1Init_mbed
+#define SHA1Update SHA1Update_mbed
+#define SHA1Final SHA1Final_mbed
+
+typedef mbedtls_md_context_t SHA512_CTX;
+#define SHA512Init SHA512Init_mbed
+#define SHA512Update SHA512Update_mbed
+#define SHA512Final SHA512Final_mbed
+
+void SHA1Init_mbed(SHA1_CTX * ctx);
+void SHA1Update_mbed(SHA1_CTX * ctx, const void *data, unsigned int len);
+void SHA1Final_mbed(unsigned char digest[20], SHA1_CTX * ctx);
+
+void SHA512Init_mbed(SHA512_CTX * ctx);
+void SHA512Update_mbed(SHA512_CTX * ctx, const void *data, unsigned int len);
+void SHA512Final_mbed(unsigned char digest[64], SHA512_CTX * ctx);
+
+#elif defined(CRYPTOLIB_SHA)
+#include "libcrypt.h"
+
+typedef SHS_CTX SHA1_CTX;
+#define SHA1Init shsInit
+#define SHA1Update shsUpdate
+#define SHA1Final shsFinalBytes
+
+void shsFinalBytes P((unsigned char digest[20], SHS_CTX* context));
+
+#else
+typedef unsigned int uint32;
+
+typedef struct {
+    uint32 state[5];
+    uint32 count[2];
+    unsigned char buffer[64];
+} SHA1_CTX;
+
+void SHA1Init P((SHA1_CTX* context));
+void SHA1Update P((SHA1_CTX* context, const unsigned char* data, unsigned int len));
+void SHA1Final P((unsigned char digest[20], SHA1_CTX* context));
+#endif /* !OPENSSL && !CRYPTOLIB */
+
+#endif /* T_SHA_H */
-- 
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