1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
3
4 #include "tomcrypt_private.h"
5
6 #ifdef LTC_SOSEMANUK
7
8 /**
9 Encrypt (or decrypt) bytes of ciphertext (or plaintext) with Sosemanuk
10 @param key The key
11 @param keylen The key length
12 @param iv The initial vector
13 @param ivlen The initial vector length
14 @param datain The plaintext (or ciphertext)
15 @param datalen The length of the input and output (octets)
16 @param dataout [out] The ciphertext (or plaintext)
17 @return CRYPT_OK if successful
18 */
sosemanuk_memory(const unsigned char * key,unsigned long keylen,const unsigned char * iv,unsigned long ivlen,const unsigned char * datain,unsigned long datalen,unsigned char * dataout)19 int sosemanuk_memory(const unsigned char *key, unsigned long keylen,
20 const unsigned char *iv, unsigned long ivlen,
21 const unsigned char *datain, unsigned long datalen,
22 unsigned char *dataout)
23 {
24 sosemanuk_state st;
25 int err;
26
27 if ((err = sosemanuk_setup(&st, key, keylen)) != CRYPT_OK) goto WIPE_KEY;
28 if ((err = sosemanuk_setiv(&st, iv, ivlen)) != CRYPT_OK) goto WIPE_KEY;
29 err = sosemanuk_crypt(&st, datain, datalen, dataout);
30 WIPE_KEY:
31 sosemanuk_done(&st);
32 return err;
33 }
34
35 #endif /* LTC_SOSEMANUK */
36