uencrypt: Fix mbedtls 3.6 compatibility

This makes it compile with mbedtls 3.6.0.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2024-04-07 22:47:26 +02:00
parent 0fd9acb471
commit 6c80f34c07
1 changed files with 57 additions and 5 deletions

View File

@ -9,6 +9,58 @@
#include <unistd.h>
#include "uencrypt.h"
#if MBEDTLS_VERSION_NUMBER < 0x03010000 /* mbedtls 3.1.0 */
static inline mbedtls_cipher_mode_t mbedtls_cipher_info_get_mode(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return MBEDTLS_MODE_NONE;
} else {
return info->mode;
}
}
static inline size_t mbedtls_cipher_info_get_key_bitlen(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
} else {
return info->key_bitlen;
}
}
static inline const char *mbedtls_cipher_info_get_name(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return NULL;
} else {
return info->name;
}
}
static inline size_t mbedtls_cipher_info_get_iv_size(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
}
return info->iv_size;
}
static inline size_t mbedtls_cipher_info_get_block_size(
const mbedtls_cipher_info_t *info)
{
if (info == NULL) {
return 0;
}
return info->block_size;
}
#endif
unsigned char *hexstr2buf(const char *str, long *len)
{
unsigned char *buf;
@ -50,7 +102,7 @@ const cipher_t *get_cipher_or_print_error(char *name)
cipher = mbedtls_cipher_info_from_type(*list);
if (!cipher)
continue;
fprintf(stderr, "\t%s\n", cipher->name);
fprintf(stderr, "\t%s\n", mbedtls_cipher_info_get_name(cipher));
}
return NULL;
}
@ -59,14 +111,14 @@ int get_cipher_ivsize(const cipher_t *cipher)
{
const mbedtls_cipher_info_t *c = cipher;
return c->iv_size;
return mbedtls_cipher_info_get_iv_size(c);
}
int get_cipher_keysize(const cipher_t *cipher)
{
const mbedtls_cipher_info_t *c = cipher;
return c->key_bitlen >> 3;
return mbedtls_cipher_info_get_key_bitlen(c) >> 3;
}
ctx_t *create_ctx(const cipher_t *cipher, const unsigned char *key,
@ -103,7 +155,7 @@ ctx_t *create_ctx(const cipher_t *cipher, const unsigned char *key,
}
}
if (cipher_info->mode == MBEDTLS_MODE_CBC) {
if (mbedtls_cipher_info_get_mode(cipher_info) == MBEDTLS_MODE_CBC) {
ret = mbedtls_cipher_set_padding_mode(ctx, padding ?
MBEDTLS_PADDING_PKCS7 :
MBEDTLS_PADDING_NONE);
@ -113,7 +165,7 @@ ctx_t *create_ctx(const cipher_t *cipher, const unsigned char *key,
goto abort;
}
} else {
if (cipher_info->block_size > 1 && padding) {
if (mbedtls_cipher_info_get_block_size(cipher_info) > 1 && padding) {
fprintf(stderr,
"Error: mbedTLS only allows padding with CBC ciphers.\n");
goto abort;