Added libtomcrypt

3 files changed, 133 insertions, 0 deletions

diff --git a/libtomcrypt/pk/asn1/der/boolean/der_decode_boolean.c b/libtomcrypt/pk/asn1/der/boolean/der_decode_boolean.c
new file mode 100644
index 0000000..f374aa6
--- /dev/null
+++ b/libtomcrypt/pk/asn1/der/boolean/der_decode_boolean.c
@@ -0,0 +1,47 @@
+/* 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.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "tomcrypt.h"
+
+/**
+  @file der_decode_boolean.c
+  ASN.1 DER, decode a BOOLEAN, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Read a BOOLEAN
+  @param in      The destination for the DER encoded BOOLEAN
+  @param inlen   The size of the DER BOOLEAN
+  @param out     [out]  The boolean to decode
+  @return CRYPT_OK if successful
+*/
+int der_decode_boolean(const unsigned char *in, unsigned long inlen,
+                                       int *out)
+{
+   LTC_ARGCHK(in  != NULL);
+   LTC_ARGCHK(out != NULL);
+   
+   if (inlen != 3 || in[0] != 0x01 || in[1] != 0x01 || (in[2] != 0x00 && in[2] != 0xFF)) {
+      return CRYPT_INVALID_ARG;
+   }
+   
+   *out = (in[2]==0xFF) ? 1 : 0;
+   
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_decode_boolean.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c b/libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c
new file mode 100644
index 0000000..df497bf
--- /dev/null
+++ b/libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c
@@ -0,0 +1,51 @@
+/* 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.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "tomcrypt.h"
+
+/**
+  @file der_encode_boolean.c
+  ASN.1 DER, encode a BOOLEAN, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a BOOLEAN
+  @param in       The boolean to encode
+  @param out      [out] The destination for the DER encoded BOOLEAN
+  @param outlen   [in/out] The max size and resulting size of the DER BOOLEAN
+  @return CRYPT_OK if successful
+*/
+int der_encode_boolean(int in, 
+                       unsigned char *out, unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(out    != NULL);
+   
+   if (*outlen < 3) {
+       *outlen = 3;
+       return CRYPT_BUFFER_OVERFLOW;
+   }
+   
+   *outlen = 3;
+   out[0] = 0x01;
+   out[1] = 0x01;
+   out[2] = in ? 0xFF : 0x00;
+   
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_encode_boolean.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/libtomcrypt/pk/asn1/der/boolean/der_length_boolean.c b/libtomcrypt/pk/asn1/der/boolean/der_length_boolean.c
new file mode 100644
index 0000000..aa3e03d
--- /dev/null
+++ b/libtomcrypt/pk/asn1/der/boolean/der_length_boolean.c
@@ -0,0 +1,35 @@
+/* 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.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "tomcrypt.h"
+
+/**
+  @file der_length_boolean.c
+  ASN.1 DER, get length of a BOOLEAN, Tom St Denis
+*/
+
+#ifdef LTC_DER
+/**
+  Gets length of DER encoding of a BOOLEAN 
+  @param outlen [out] The length of the DER encoding
+  @return CRYPT_OK if successful
+*/
+int der_length_boolean(unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen != NULL);
+   *outlen = 3;
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_length_boolean.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/12/28 01:27:24 $ */