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Add constant-flow testing for PKCS7 padding

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Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann
2025-01-16 16:24:35 +00:00
parent 189bf03056
commit d37e0c4639
4 changed files with 65 additions and 2 deletions
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6
library/cipher.c
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@ -14,6 +14,7 @@
#if defined(MBEDTLS_CIPHER_C)
#include "mbedtls/cipher.h"
#include "cipher_invasive.h"
#include "cipher_wrap.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"
@ -838,8 +839,9 @@ static void add_pkcs_padding(unsigned char *output, size_t output_len,
}
}
static int get_pkcs_padding(unsigned char *input, size_t input_len,
size_t *data_len)
MBEDTLS_STATIC_TESTABLE int get_pkcs_padding(unsigned char *input,
size_t input_len,
size_t *data_len)
{
size_t i, pad_idx;
unsigned char padding_len;