ocrypto_aes_cbc_pkcs_decrypt()

int ocrypto_aes_cbc_pkcs_decrypt	(	uint8_t *	pt,
		size_t *	pt_len,
		const uint8_t *	ct,
		size_t	ct_len,
		const uint8_t *	key,
		size_t	size,
		const uint8_t	iv[16] )

#include <crypto/nrf_oberon/include/ocrypto_aes_cbc_pkcs.h>

AES-CBC-PKCS7 decryption.

Parameters

[out]	pt	Plaintext.
[out]	pt_len	Plaintext length.
	ct	Ciphertext.
	ct_len	Ciphertext length. Must be a multiple of 16.
	key	AES key.
	size	Key size (16, 24, or 32).
	iv	Initial vector.

Return values

0	If the input is properly padded.
-1	Otherwise.

Remarks

pt may be same as ct.

The maximum length of pt is ct_len - 1.