| // SPDX-License-Identifier: BSD-2-Clause |
| /* 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_private.h" |
| |
| /** |
| @file der_length_octet_string.c |
| ASN.1 DER, get length of OCTET STRING, Tom St Denis |
| */ |
| |
| #ifdef LTC_DER |
| /** |
| Gets length of DER encoding of OCTET STRING |
| @param noctets The number of octets in the string to encode |
| @param outlen [out] The length of the DER encoding for the given string |
| @return CRYPT_OK if successful |
| */ |
| int der_length_octet_string(unsigned long noctets, unsigned long *outlen) |
| { |
| unsigned long x; |
| int err; |
| |
| LTC_ARGCHK(outlen != NULL); |
| |
| if ((err = der_length_asn1_length(noctets, &x)) != CRYPT_OK) { |
| return err; |
| } |
| *outlen = 1 + x + noctets; |
| |
| return CRYPT_OK; |
| } |
| |
| #endif |
| |
| |
| /* ref: $Format:%D$ */ |
| /* git commit: $Format:%H$ */ |
| /* commit time: $Format:%ai$ */ |