Import code from previous AssetBuilder version

thirdparty/libtomcrypt/misc/crypt/crypt_register_all_prngs.c

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+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+
+#include "tomcrypt.h"
+
+/**
+  @file crypt_register_all_prngs.c
+
+  Steffen Jaeckel
+*/
+
+#define REGISTER_PRNG(h) do {\
+   LTC_ARGCHK(register_prng(h) != -1); \
+} while(0)
+
+int register_all_prngs(void)
+{
+#ifdef LTC_YARROW
+   REGISTER_PRNG(&yarrow_desc);
+#endif
+#ifdef LTC_FORTUNA
+   REGISTER_PRNG(&fortuna_desc);
+#endif
+#ifdef LTC_RC4
+   REGISTER_PRNG(&rc4_desc);
+#endif
+#ifdef LTC_CHACHA20_PRNG
+   REGISTER_PRNG(&chacha20_prng_desc);
+#endif
+#ifdef LTC_SOBER128
+   REGISTER_PRNG(&sober128_desc);
+#endif
+#ifdef LTC_SPRNG
+   REGISTER_PRNG(&sprng_desc);
+#endif
+
+   return CRYPT_OK;
+}
+
+/* ref:         HEAD -> master, tag: v1.18.2 */
+/* git commit:  7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */