fs/bcachefs/checksum.c

102 	int ret;
107 	ret = crypto_skcipher_encrypt(req);
108 	if (ret)
109 		pr_err("got error %i from crypto_skcipher_encrypt()", ret);
111 	return ret;
132 		int ret, i;
149 		ret = do_encrypt_sg(tfm, nonce, sg, orig_len);
151 		return ret;
160 	int ret;
162 	ret = PTR_ERR_OR_ZERO(chacha20);
163 	if (ret) {
164 		pr_err("error requesting chacha20 cipher: %s", bch2_err_str(ret));
165 		return ret;
168 	ret = crypto_skcipher_setkey(&chacha20->base,
170 	if (ret) {
171 		pr_err("error from crypto_skcipher_setkey(): %s", bch2_err_str(ret));
175 	ret = do_encrypt(chacha20, nonce, buf, len);
178 	return ret;
185 	int ret;
190 	ret = do_encrypt(c->chacha20, nonce, key, sizeof(key));
191 	if (ret)
192 		return ret;
224 		struct bch_csum ret = { 0 };
231 		memcpy(&ret, digest, bch_crc_bytes[type]);
232 		return ret;
286 		struct bch_csum ret = { 0 };
305 		memcpy(&ret, digest, bch_crc_bytes[type]);
306 		return ret;
328 	int ret = 0;
339 			ret = do_encrypt_sg(c->chacha20, nonce, sgl, bytes);
340 			if (ret)
341 				return ret;
516 	int ret;
526 		ret = 0;
528 		ret = -EINVAL;
533 	return ret;
572 	int ret;
577 	ret = __bch2_request_key(key_description.buf, key);
581 	if (ret) {
587 		ret = 0;
593 	return ret;
622 	int ret = 0;
628 	ret = bch2_request_key(c->disk_sb.sb, &user_key);
629 	if (ret) {
630 		bch_err(c, "error requesting encryption key: %s", bch2_err_str(ret));
635 	ret = bch2_chacha_encrypt_key(&user_key, bch2_sb_key_nonce(c),
637 	if (ret)
642 		ret = -EINVAL;
650 	return ret;
655 	int ret;
659 	ret = PTR_ERR_OR_ZERO(c->chacha20);
661 	if (ret) {
662 		bch_err(c, "error requesting chacha20 module: %s", bch2_err_str(ret));
663 		return ret;
668 	ret = PTR_ERR_OR_ZERO(c->poly1305);
670 	if (ret) {
671 		bch_err(c, "error requesting poly1305 module: %s", bch2_err_str(ret));
672 		return ret;
682 	int ret = -EINVAL;
691 	ret = 0;
695 	ret = bch2_decrypt_sb_key(c, crypt, &key);
696 	if (ret)
707 	return ret;
715 	int ret = -EINVAL;
723 	ret = bch2_alloc_ciphers(c);
724 	if (ret)
731 		ret = bch2_request_key(c->disk_sb.sb, &user_key);
732 		if (ret) {
733 			bch_err(c, "error requesting encryption key: %s", bch2_err_str(ret));
737 		ret = bch2_chacha_encrypt_key(&user_key, bch2_sb_key_nonce(c),
739 		if (ret)
743 	ret = crypto_skcipher_setkey(&c->chacha20->base,
745 	if (ret)
751 		ret = -BCH_ERR_ENOSPC_sb_crypt;
764 	return ret;
781 	int ret = 0;
784 	ret = PTR_ERR_OR_ZERO(c->sha256);
785 	if (ret) {
786 		bch_err(c, "error requesting sha256 module: %s", bch2_err_str(ret));
794 	ret = bch2_alloc_ciphers(c);
795 	if (ret)
798 	ret = bch2_decrypt_sb_key(c, crypt, &key);
799 	if (ret)
802 	ret = crypto_skcipher_setkey(&c->chacha20->base,
804 	if (ret)
808 	return ret;