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Merge pull request #8641 from OTAkeys/fix/cbc_doc

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crypto/cbc: add return values to documentation
This commit is contained in:
Alexandre Abadie 2018-02-27 10:12:48 +01:00 committed by GitHub
commit c0917f7494
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1 changed files with 15 additions and 4 deletions
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19
sys/include/crypto/modes/cbc.h
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@ -20,6 +20,7 @@
#ifndef CRYPTO_MODES_CBC_H
#define CRYPTO_MODES_CBC_H
#include <stddef.h>
#include "crypto/ciphers.h"
#ifdef __cplusplus
@ -36,9 +37,14 @@ extern "C" {
* @param input_len length of the input data
* @param output pointer to allocated memory for encrypted data. It has to
* be of size data_len + BLOCK_SIZE - data_len % BLOCK_SIZE.
*
* @return <0 on error
* @return CIPHER_ERR_INVALID_LENGTH when input_len % BLOCK_SIZE != 0
* @return CIPHER_ERR_ENC_FAILED on internal encrption error
* @return otherwise number of input bytes that aren't consumed
*/
int cipher_encrypt_cbc(cipher_t* cipher, uint8_t iv[16], const uint8_t* input,
size_t input_len, uint8_t* output);
int cipher_encrypt_cbc(cipher_t *cipher, uint8_t iv[16], const uint8_t *input,
size_t input_len, uint8_t *output);
/**
@ -50,9 +56,14 @@ int cipher_encrypt_cbc(cipher_t* cipher, uint8_t iv[16], const uint8_t* input,
* @param input_len length of the input data
* @param output pointer to allocated memory for plaintext data. It has to
* be of size input_len.
*
* @return <0 on error
* @return CIPHER_ERR_INVALID_LENGTH when input_len % BLOCK_SIZE != 0
* @return CIPHER_ERR_DEC_FAILED on internal decryption error
* @return otherwise number of bytes decrypted
*/
int cipher_decrypt_cbc(cipher_t* cipher, uint8_t iv[16], const uint8_t* input,
size_t input_len, uint8_t* output);
int cipher_decrypt_cbc(cipher_t *cipher, uint8_t iv[16], const uint8_t *input,
size_t input_len, uint8_t *output);
#ifdef __cplusplus
}