commit files needed for zpm-fetchurl

[zpackage] / libtomcrypt / src / mac / f9 / f9_init.c

diff --git a/libtomcrypt/src/mac/f9/f9_init.c b/libtomcrypt/src/mac/f9/f9_init.c
new file mode 100644 (file)
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+++ b/libtomcrypt/src/mac/f9/f9_init.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 f9_init.c
+  F9 Support, start an F9 state
+*/
+
+#ifdef LTC_F9_MODE
+
+/** Initialize F9-MAC state
+  @param f9    [out] f9 state to initialize
+  @param cipher  Index of cipher to use
+  @param key     [in]  Secret key
+  @param keylen  Length of secret key in octets
+  Return CRYPT_OK on success
+*/
+int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen)
+{
+   int            x, err;
+
+   LTC_ARGCHK(f9   != NULL);
+   LTC_ARGCHK(key  != NULL);
+
+   /* schedule the key */
+   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+      return err;
+   }
+
+#ifdef LTC_FAST
+   if (cipher_descriptor[cipher].block_length % sizeof(LTC_FAST_TYPE)) {
+       return CRYPT_INVALID_ARG;
+   }
+#endif
+
+   if ((err = cipher_descriptor[cipher].setup(key, keylen, 0, &f9->key)) != CRYPT_OK) {
+      goto done;
+   }
+
+   /* make the second key */
+   for (x = 0; (unsigned)x < keylen; x++) {
+      f9->akey[x] = key[x] ^ 0xAA;
+   }
+
+   /* setup struct */
+   zeromem(f9->IV,  cipher_descriptor[cipher].block_length);
+   zeromem(f9->ACC, cipher_descriptor[cipher].block_length);
+   f9->blocksize = cipher_descriptor[cipher].block_length;
+   f9->cipher    = cipher;
+   f9->buflen    = 0;
+   f9->keylen    = keylen;
+done:
+   return err;
+}
+
+#endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */
+