1 /* 2 * Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stddef.h> 11 #include <openssl/params.h> 12 13 /* 14 * Extract the parameter into an allocated buffer. 15 * Any existing allocation in *out is cleared and freed. 16 * 17 * Returns 1 on success, 0 on failure and -1 if there are no matching params. 18 * 19 * *out and *out_len are guaranteed to be untouched if this function 20 * doesn't return success. 21 */ 22 int ossl_param_get1_octet_string(const OSSL_PARAM *params, const char *name, 23 unsigned char **out, size_t *out_len); 24 /* 25 * Concatenate all of the matching params together. 26 * *out will point to an allocated buffer on successful return. 27 * Any existing allocation in *out is cleared and freed. 28 * 29 * Passing 0 for maxsize means unlimited size output. 30 * 31 * Returns 1 on success, 0 on failure and -1 if there are no matching params. 32 * 33 * *out and *out_len are guaranteed to be untouched if this function 34 * doesn't return success. 35 */ 36 int ossl_param_get1_concat_octet_string(const OSSL_PARAM *params, const char *name, 37 unsigned char **out, size_t *out_len, 38 size_t maxsize); 39
