63 	struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv };  in krb5_encrypt()  local
80 	ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, length);  in krb5_encrypt()
97 	struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv };  in krb5_decrypt()  local
113 	ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, length);  in krb5_decrypt()
122 	struct hash_desc *desc = data;  in checksummer()  local
124 	return crypto_hash_update(desc, sg, sg->length);  in checksummer()
155 	struct hash_desc                desc;  in make_checksum_hmac_md5()  local
188 	desc.tfm = md5;  in make_checksum_hmac_md5()
189 	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;  in make_checksum_hmac_md5()
191 	err = crypto_hash_init(&desc);  in make_checksum_hmac_md5()
195 	err = crypto_hash_update(&desc, sg, 4);  in make_checksum_hmac_md5()
200 	err = crypto_hash_update(&desc, sg, hdrlen);  in make_checksum_hmac_md5()
204 			      checksummer, &desc);  in make_checksum_hmac_md5()
207 	err = crypto_hash_final(&desc, checksumdata);  in make_checksum_hmac_md5()
211 	desc.tfm = hmac_md5;  in make_checksum_hmac_md5()
212 	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;  in make_checksum_hmac_md5()
214 	err = crypto_hash_init(&desc);  in make_checksum_hmac_md5()
222 	err = crypto_hash_digest(&desc, sg, crypto_hash_digestsize(md5),  in make_checksum_hmac_md5()
245 	struct hash_desc                desc;  in make_checksum()  local
262 	desc.tfm = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);  in make_checksum()
263 	if (IS_ERR(desc.tfm))  in make_checksum()
265 	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;  in make_checksum()
267 	checksumlen = crypto_hash_digestsize(desc.tfm);  in make_checksum()
270 		err = crypto_hash_setkey(desc.tfm, cksumkey,  in make_checksum()
276 	err = crypto_hash_init(&desc);  in make_checksum()
280 	err = crypto_hash_update(&desc, sg, hdrlen);  in make_checksum()
284 			      checksummer, &desc);  in make_checksum()
287 	err = crypto_hash_final(&desc, checksumdata);  in make_checksum()
310 	crypto_free_hash(desc.tfm);  in make_checksum()
326 	struct hash_desc desc;  in make_checksum_v2()  local
343 	desc.tfm = crypto_alloc_hash(kctx->gk5e->cksum_name, 0,  in make_checksum_v2()
345 	if (IS_ERR(desc.tfm))  in make_checksum_v2()
347 	checksumlen = crypto_hash_digestsize(desc.tfm);  in make_checksum_v2()
348 	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;  in make_checksum_v2()
350 	err = crypto_hash_setkey(desc.tfm, cksumkey, kctx->gk5e->keylength);  in make_checksum_v2()
354 	err = crypto_hash_init(&desc);  in make_checksum_v2()
358 			      checksummer, &desc);  in make_checksum_v2()
363 		err = crypto_hash_update(&desc, sg, hdrlen);  in make_checksum_v2()
367 	err = crypto_hash_final(&desc, checksumdata);  in make_checksum_v2()
384 	crypto_free_hash(desc.tfm);  in make_checksum_v2()
390 	struct blkcipher_desc desc;  member
403 	struct encryptor_desc *desc = data;  in encryptor()  local
404 	struct xdr_buf *outbuf = desc->outbuf;  in encryptor()
406 	int thislen = desc->fraglen + sg->length;  in encryptor()
412 	BUG_ON(desc->fragno > 3);  in encryptor()
414 	page_pos = desc->pos - outbuf->head[0].iov_len;  in encryptor()
418 		in_page = desc->pages[i];  in encryptor()
422 	sg_set_page(&desc->infrags[desc->fragno], in_page, sg->length,  in encryptor()
424 	sg_set_page(&desc->outfrags[desc->fragno], sg_page(sg), sg->length,  in encryptor()
426 	desc->fragno++;  in encryptor()
427 	desc->fraglen += sg->length;  in encryptor()
428 	desc->pos += sg->length;  in encryptor()
430 	fraglen = thislen & (crypto_blkcipher_blocksize(desc->desc.tfm) - 1);  in encryptor()
436 	sg_mark_end(&desc->infrags[desc->fragno - 1]);  in encryptor()
437 	sg_mark_end(&desc->outfrags[desc->fragno - 1]);  in encryptor()
439 	ret = crypto_blkcipher_encrypt_iv(&desc->desc, desc->outfrags,  in encryptor()
440 					  desc->infrags, thislen);  in encryptor()
444 	sg_init_table(desc->infrags, 4);  in encryptor()
445 	sg_init_table(desc->outfrags, 4);  in encryptor()
448 		sg_set_page(&desc->outfrags[0], sg_page(sg), fraglen,  in encryptor()
450 		desc->infrags[0] = desc->outfrags[0];  in encryptor()
451 		sg_assign_page(&desc->infrags[0], in_page);  in encryptor()
452 		desc->fragno = 1;  in encryptor()
453 		desc->fraglen = fraglen;  in encryptor()
455 		desc->fragno = 0;  in encryptor()
456 		desc->fraglen = 0;  in encryptor()
466 	struct encryptor_desc desc;  in gss_encrypt_xdr_buf()  local
470 	memset(desc.iv, 0, sizeof(desc.iv));  in gss_encrypt_xdr_buf()
471 	desc.desc.tfm = tfm;  in gss_encrypt_xdr_buf()
472 	desc.desc.info = desc.iv;  in gss_encrypt_xdr_buf()
473 	desc.desc.flags = 0;  in gss_encrypt_xdr_buf()
474 	desc.pos = offset;  in gss_encrypt_xdr_buf()
475 	desc.outbuf = buf;  in gss_encrypt_xdr_buf()
476 	desc.pages = pages;  in gss_encrypt_xdr_buf()
477 	desc.fragno = 0;  in gss_encrypt_xdr_buf()
478 	desc.fraglen = 0;  in gss_encrypt_xdr_buf()
480 	sg_init_table(desc.infrags, 4);  in gss_encrypt_xdr_buf()
481 	sg_init_table(desc.outfrags, 4);  in gss_encrypt_xdr_buf()
483 	ret = xdr_process_buf(buf, offset, buf->len - offset, encryptor, &desc);  in gss_encrypt_xdr_buf()
489 	struct blkcipher_desc desc;  member
498 	struct decryptor_desc *desc = data;  in decryptor()  local
499 	int thislen = desc->fraglen + sg->length;  in decryptor()
504 	BUG_ON(desc->fragno > 3);  in decryptor()
505 	sg_set_page(&desc->frags[desc->fragno], sg_page(sg), sg->length,  in decryptor()
507 	desc->fragno++;  in decryptor()
508 	desc->fraglen += sg->length;  in decryptor()
510 	fraglen = thislen & (crypto_blkcipher_blocksize(desc->desc.tfm) - 1);  in decryptor()
516 	sg_mark_end(&desc->frags[desc->fragno - 1]);  in decryptor()
518 	ret = crypto_blkcipher_decrypt_iv(&desc->desc, desc->frags,  in decryptor()
519 					  desc->frags, thislen);  in decryptor()
523 	sg_init_table(desc->frags, 4);  in decryptor()
526 		sg_set_page(&desc->frags[0], sg_page(sg), fraglen,  in decryptor()
528 		desc->fragno = 1;  in decryptor()
529 		desc->fraglen = fraglen;  in decryptor()
531 		desc->fragno = 0;  in decryptor()
532 		desc->fraglen = 0;  in decryptor()
541 	struct decryptor_desc desc;  in gss_decrypt_xdr_buf()  local
546 	memset(desc.iv, 0, sizeof(desc.iv));  in gss_decrypt_xdr_buf()
547 	desc.desc.tfm = tfm;  in gss_decrypt_xdr_buf()
548 	desc.desc.info = desc.iv;  in gss_decrypt_xdr_buf()
549 	desc.desc.flags = 0;  in gss_decrypt_xdr_buf()
550 	desc.fragno = 0;  in gss_decrypt_xdr_buf()
551 	desc.fraglen = 0;  in gss_decrypt_xdr_buf()
553 	sg_init_table(desc.frags, 4);  in gss_decrypt_xdr_buf()
555 	return xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc);  in gss_decrypt_xdr_buf()
602 	struct blkcipher_desc desc = { .tfm = cipher, .info = iv };  in gss_krb5_cts_crypt()  local
629 		ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, len);  in gss_krb5_cts_crypt()
631 		ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, len);  in gss_krb5_cts_crypt()
654 	struct encryptor_desc desc;  in gss_krb5_aes_encrypt()  local
719 	memset(desc.iv, 0, sizeof(desc.iv));  in gss_krb5_aes_encrypt()
722 		desc.pos = offset + GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
723 		desc.fragno = 0;  in gss_krb5_aes_encrypt()
724 		desc.fraglen = 0;  in gss_krb5_aes_encrypt()
725 		desc.pages = pages;  in gss_krb5_aes_encrypt()
726 		desc.outbuf = buf;  in gss_krb5_aes_encrypt()
727 		desc.desc.info = desc.iv;  in gss_krb5_aes_encrypt()
728 		desc.desc.flags = 0;  in gss_krb5_aes_encrypt()
729 		desc.desc.tfm = aux_cipher;  in gss_krb5_aes_encrypt()
731 		sg_init_table(desc.infrags, 4);  in gss_krb5_aes_encrypt()
732 		sg_init_table(desc.outfrags, 4);  in gss_krb5_aes_encrypt()
735 				      cbcbytes, encryptor, &desc);  in gss_krb5_aes_encrypt()
743 				 desc.iv, pages, 1);  in gss_krb5_aes_encrypt()
771 	struct decryptor_desc desc;  in gss_krb5_aes_decrypt()  local
799 	memset(desc.iv, 0, sizeof(desc.iv));  in gss_krb5_aes_decrypt()
802 		desc.fragno = 0;  in gss_krb5_aes_decrypt()
803 		desc.fraglen = 0;  in gss_krb5_aes_decrypt()
804 		desc.desc.info = desc.iv;  in gss_krb5_aes_decrypt()
805 		desc.desc.flags = 0;  in gss_krb5_aes_decrypt()
806 		desc.desc.tfm = aux_cipher;  in gss_krb5_aes_decrypt()
808 		sg_init_table(desc.frags, 4);  in gss_krb5_aes_decrypt()
810 		ret = xdr_process_buf(&subbuf, 0, cbcbytes, decryptor, &desc);  in gss_krb5_aes_decrypt()
816 	ret = gss_krb5_cts_crypt(cipher, &subbuf, cbcbytes, desc.iv, NULL, 0);  in gss_krb5_aes_decrypt()
857 	struct hash_desc desc;  in krb5_rc4_setup_seq_key()  local
872 	desc.tfm = hmac;  in krb5_rc4_setup_seq_key()
873 	desc.flags = 0;  in krb5_rc4_setup_seq_key()
875 	err = crypto_hash_init(&desc);  in krb5_rc4_setup_seq_key()
887 	err = crypto_hash_digest(&desc, sg, 4, Kseq);  in krb5_rc4_setup_seq_key()
898 	err = crypto_hash_digest(&desc, sg, 8, Kseq);  in krb5_rc4_setup_seq_key()
923 	struct hash_desc desc;  in krb5_rc4_setup_enc_key()  local
939 	desc.tfm = hmac;  in krb5_rc4_setup_enc_key()
940 	desc.flags = 0;  in krb5_rc4_setup_enc_key()
942 	err = crypto_hash_init(&desc);  in krb5_rc4_setup_enc_key()
957 	err = crypto_hash_digest(&desc, sg, 4, Kcrypt);  in krb5_rc4_setup_enc_key()
973 	err = crypto_hash_digest(&desc, sg, 4, Kcrypt);  in krb5_rc4_setup_enc_key()