Files
cli/vendor/aws-lc-sys/aws-lc/crypto/asn1/asn_pack.c

46 lines
1.1 KiB
C

// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
// SPDX-License-Identifier: Apache-2.0
#include <openssl/asn1.h>
#include <openssl/err.h>
#include <openssl/mem.h>
ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **out) {
uint8_t *new_data = NULL;
int len = ASN1_item_i2d(obj, &new_data, it);
if (len <= 0) {
OPENSSL_PUT_ERROR(ASN1, ASN1_R_ENCODE_ERROR);
return NULL;
}
ASN1_STRING *ret = NULL;
if (out == NULL || *out == NULL) {
ret = ASN1_STRING_new();
if (ret == NULL) {
OPENSSL_free(new_data);
return NULL;
}
} else {
ret = *out;
}
ASN1_STRING_set0(ret, new_data, len);
if (out != NULL) {
*out = ret;
}
return ret;
}
void *ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it) {
const unsigned char *p = oct->data;
void *ret = ASN1_item_d2i(NULL, &p, oct->length, it);
if (ret == NULL || p != oct->data + oct->length) {
OPENSSL_PUT_ERROR(ASN1, ASN1_R_DECODE_ERROR);
ASN1_item_free(ret, it);
return NULL;
}
return ret;
}