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Diffstat (limited to 'libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c')
-rw-r--r--libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c51
1 files changed, 51 insertions, 0 deletions
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 $ */