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#17

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This commit is contained in:
Juliusz Sosinowicz
2021-10-06 20:11:25 +02:00
parent 79682fd30a
commit e82ae7b072
1 changed files with 24 additions and 20 deletions
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44
src/ssl.c
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@ -19196,37 +19196,41 @@ size_t wolfSSL_get_client_random(const WOLFSSL* ssl, unsigned char* out,
(void)wc_Des3Init(&des, NULL, INVALID_DEVID);
if (enc) {
wc_Des3_SetKey(&des, key, (const byte*)ivec, DES_ENCRYPTION);
ret = wc_Des3_CbcEncrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
#if defined(WOLFSSL_ASYNC_CRYPT)
ret = wc_AsyncWait(ret, &des.asyncDev, WC_ASYNC_FLAG_NONE);
#endif
(void)ret; /* ignore return codes for processing */
if(lb_sz){
XMEMSET(lastblock, 0, DES_BLOCK_SIZE);
XMEMCPY(lastblock, input+sz-lb_sz, lb_sz);
ret = wc_Des3_CbcEncrypt(&des, output+blk*DES_BLOCK_SIZE,
lastblock, (word32)DES_BLOCK_SIZE);
if (wc_Des3_SetKey(&des, key, (const byte*)ivec,
DES_ENCRYPTION) == 0) {
ret = wc_Des3_CbcEncrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
#if defined(WOLFSSL_ASYNC_CRYPT)
ret = wc_AsyncWait(ret, &des.asyncDev, WC_ASYNC_FLAG_NONE);
#endif
(void)ret; /* ignore return codes for processing */
if(lb_sz){
XMEMSET(lastblock, 0, DES_BLOCK_SIZE);
XMEMCPY(lastblock, input+sz-lb_sz, lb_sz);
ret = wc_Des3_CbcEncrypt(&des, output+blk*DES_BLOCK_SIZE,
lastblock, (word32)DES_BLOCK_SIZE);
#if defined(WOLFSSL_ASYNC_CRYPT)
ret = wc_AsyncWait(ret, &des.asyncDev, WC_ASYNC_FLAG_NONE);
#endif
(void)ret; /* ignore return codes for processing */
}
}
}
else {
wc_Des3_SetKey(&des, key, (const byte*)ivec, DES_DECRYPTION);
ret = wc_Des3_CbcDecrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
#if defined(WOLFSSL_ASYNC_CRYPT)
ret = wc_AsyncWait(ret, &des.asyncDev, WC_ASYNC_FLAG_NONE);
#endif
(void)ret; /* ignore return codes for processing */
if(lb_sz){
ret = wc_Des3_CbcDecrypt(&des, lastblock, input+sz-lb_sz, (word32)DES_BLOCK_SIZE);
if (wc_Des3_SetKey(&des, key, (const byte*)ivec,
DES_DECRYPTION) == 0) {
ret = wc_Des3_CbcDecrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
#if defined(WOLFSSL_ASYNC_CRYPT)
ret = wc_AsyncWait(ret, &des.asyncDev, WC_ASYNC_FLAG_NONE);
#endif
(void)ret; /* ignore return codes for processing */
XMEMCPY(output+sz-lb_sz, lastblock, lb_sz);
if(lb_sz){
ret = wc_Des3_CbcDecrypt(&des, lastblock, input+sz-lb_sz, (word32)DES_BLOCK_SIZE);
#if defined(WOLFSSL_ASYNC_CRYPT)
ret = wc_AsyncWait(ret, &des.asyncDev, WC_ASYNC_FLAG_NONE);
#endif
(void)ret; /* ignore return codes for processing */
XMEMCPY(output+sz-lb_sz, lastblock, lb_sz);
}
}
}
wc_Des3Free(&des);