--- /dev/null
+/* 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 der_length_utctime.c
+ ASN.1 DER, get length of GeneralizedTime, Steffen Jaeckel
+ Based on der_length_utctime.c
+*/
+
+#ifdef LTC_DER
+
+/**
+ Gets length of DER encoding of GeneralizedTime
+ @param gtime The GeneralizedTime structure to get the size of
+ @param outlen [out] The length of the DER encoding
+ @return CRYPT_OK if successful
+*/
+int der_length_generalizedtime(ltc_generalizedtime *gtime, unsigned long *outlen)
+{
+ LTC_ARGCHK(outlen != NULL);
+ LTC_ARGCHK(gtime != NULL);
+
+ if (gtime->fs == 0) {
+ /* we encode as YYYYMMDDhhmmssZ */
+ *outlen = 2 + 14 + 1;
+ } else {
+ unsigned long len = 2 + 14 + 1;
+ unsigned fs = gtime->fs;
+ do {
+ fs /= 10;
+ len++;
+ } while(fs != 0);
+ if (gtime->off_hh == 0 && gtime->off_mm == 0) {
+ /* we encode as YYYYMMDDhhmmss.fsZ */
+ len += 1;
+ }
+ else {
+ /* we encode as YYYYMMDDhhmmss.fs{+|-}hh'mm' */
+ len += 5;
+ }
+ *outlen = len;
+ }
+
+ return CRYPT_OK;
+}
+
+#endif
+
+/* ref: $Format:%D$ */
+/* git commit: $Format:%H$ */
+/* commit time: $Format:%ai$ */