smb/client/smb2transport.c

33 	int rc;
35 	rc = cifs_alloc_hash("hmac(sha256)", &p->hmacsha256);
36 	if (rc)
39 	rc = cifs_alloc_hash("cmac(aes)", &p->aes_cmac);
40 	if (rc)
46 	return rc;
53 	int rc = 0;
55 	rc = cifs_alloc_hash("hmac(sha256)", &p->hmacsha256);
56 	if (rc)
57 		return rc;
59 	rc = cifs_alloc_hash("cmac(aes)", &p->aes_cmac);
60 	if (rc)
63 	rc = cifs_alloc_hash("sha512", &p->sha512);
64 	if (rc)
72 	return rc;
83 	int rc = 0;
98 	rc = -ENOENT;
138 	rc = -ENOENT;
142 	return rc;
234 	int rc;
253 		rc = cifs_alloc_hash("hmac(sha256)", &shash);
254 		if (rc) {
263 	rc = crypto_shash_setkey(shash->tfm, ses->auth_key.response,
265 	if (rc) {
272 	rc = crypto_shash_init(shash);
273 	if (rc) {
287 		rc = crypto_shash_update(shash, iov[0].iov_base,
289 		if (rc) {
299 	rc = __cifs_calc_signature(&drqst, server, sigptr, shash);
300 	if (!rc)
308 	return rc;
318 	int rc = 0;
326 	rc = smb3_crypto_shash_allocate(server);
327 	if (rc) {
332 	rc = crypto_shash_setkey(server->secmech.hmacsha256->tfm,
334 	if (rc) {
339 	rc = crypto_shash_init(server->secmech.hmacsha256);
340 	if (rc) {
345 	rc = crypto_shash_update(server->secmech.hmacsha256, i, 4);
346 	if (rc) {
351 	rc = crypto_shash_update(server->secmech.hmacsha256, label.iov_base, label.iov_len);
352 	if (rc) {
357 	rc = crypto_shash_update(server->secmech.hmacsha256, &zero, 1);
358 	if (rc) {
363 	rc = crypto_shash_update(server->secmech.hmacsha256, context.iov_base, context.iov_len);
364 	if (rc) {
371 		rc = crypto_shash_update(server->secmech.hmacsha256, L256, 4);
373 		rc = crypto_shash_update(server->secmech.hmacsha256, L128, 4);
375 	if (rc) {
380 	rc = crypto_shash_final(server->secmech.hmacsha256, hashptr);
381 	if (rc) {
389 	return rc;
408 	int rc;
439 		rc = generate_key(ses, ptriplet->signing.label,
443 		if (rc)
444 			return rc;
446 		rc = generate_key(ses, ptriplet->signing.label,
450 		if (rc)
451 			return rc;
459 		rc = generate_key(ses, ptriplet->encryption.label,
463 		if (rc)
464 			return rc;
465 		rc = generate_key(ses, ptriplet->decryption.label,
469 		if (rc)
470 			return rc;
499 	return rc;
564 	int rc;
573 	rc = smb2_get_sign_key(le64_to_cpu(shdr->SessionId), server, key);
574 	if (unlikely(rc)) {
576 		return rc;
580 		rc = cifs_alloc_hash("cmac(aes)", &shash);
581 		if (rc)
582 			return rc;
590 	rc = crypto_shash_setkey(shash->tfm, key, SMB2_CMACAES_SIZE);
591 	if (rc) {
601 	rc = crypto_shash_init(shash);
602 	if (rc) {
616 		rc = crypto_shash_update(shash, iov[0].iov_base,
618 		if (rc) {
627 	rc = __cifs_calc_signature(&drqst, server, sigptr, shash);
628 	if (!rc)
634 	return rc;
641 	int rc = 0;
668 	rc = server->ops->calc_signature(rqst, server, false);
670 	return rc;
676 	unsigned int rc;
706 	rc = server->ops->calc_signature(rqst, server, true);
708 	if (rc)
709 		return rc;
841 		int rc;
843 		rc = smb2_verify_signature(&rqst, server);
844 		if (rc)
846 				 rc);
856 	int rc;
863 	rc = smb2_get_mid_entry(ses, server, shdr, &mid);
864 	if (rc) {
866 		return ERR_PTR(rc);
869 	rc = smb2_sign_rqst(rqst, server);
870 	if (rc) {
873 		return ERR_PTR(rc);
882 	int rc;
903 	rc = smb2_sign_rqst(rqst, server);
904 	if (rc) {
907 		return ERR_PTR(rc);