X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=libtomcrypt%2Fsrc%2Fmisc%2Fcrypt%2Fcrypt_find_cipher.c;fp=libtomcrypt%2Fsrc%2Fmisc%2Fcrypt%2Fcrypt_find_cipher.c;h=ba908f4ec8dea9b9a92dde2ae3be4c2e5ef99d33;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/libtomcrypt/src/misc/crypt/crypt_find_cipher.c b/libtomcrypt/src/misc/crypt/crypt_find_cipher.c
new file mode 100644
index 0000000..ba908f4
--- /dev/null
+++ b/libtomcrypt/src/misc/crypt/crypt_find_cipher.c
@@ -0,0 +1,39 @@
+/* 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_find_cipher.c
+  Find a cipher in the descriptor tables, Tom St Denis
+*/
+
+/**
+   Find a registered cipher by name
+   @param name   The name of the cipher to look for
+   @return >= 0 if found, -1 if not present
+*/
+int find_cipher(const char *name)
+{
+   int x;
+   LTC_ARGCHK(name != NULL);
+   LTC_MUTEX_LOCK(&ltc_cipher_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (cipher_descriptor[x].name != NULL && !XSTRCMP(cipher_descriptor[x].name, name)) {
+          LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+          return x;
+       }
+   }
+   LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+   return -1;
+}
+
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */