396 gss_encrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *buf,  in gss_encrypt_xdr_buf()  argument
403 	BUG_ON((buf->len - offset) % crypto_sync_skcipher_blocksize(tfm) != 0);  in gss_encrypt_xdr_buf()
411 	desc.outbuf = buf;  in gss_encrypt_xdr_buf()
419 	ret = xdr_process_buf(buf, offset, buf->len - offset, encryptor, &desc);  in gss_encrypt_xdr_buf()
479 gss_decrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *buf,  in gss_decrypt_xdr_buf()  argument
487 	BUG_ON((buf->len - offset) % crypto_sync_skcipher_blocksize(tfm) != 0);  in gss_decrypt_xdr_buf()
499 	ret = xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc);  in gss_decrypt_xdr_buf()
522 xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen)  in xdr_extend_head()  argument
532 	p = buf->head[0].iov_base + base;  in xdr_extend_head()
534 	memmove(p + shiftlen, p, buf->head[0].iov_len - base);  in xdr_extend_head()
536 	buf->head[0].iov_len += shiftlen;  in xdr_extend_head()
537 	buf->len += shiftlen;  in xdr_extend_head()
543 gss_krb5_cts_crypt(struct crypto_sync_skcipher *cipher, struct xdr_buf *buf,  in gss_krb5_cts_crypt()  argument
551 	u32 len = buf->len - offset;  in gss_krb5_cts_crypt()
566 	save_pages = buf->pages;  in gss_krb5_cts_crypt()
568 		buf->pages = pages;  in gss_krb5_cts_crypt()
570 	ret = read_bytes_from_xdr_buf(buf, offset, data, len);  in gss_krb5_cts_crypt()
571 	buf->pages = save_pages;  in gss_krb5_cts_crypt()
591 	ret = write_bytes_to_xdr_buf(buf, offset, data, len);  in gss_krb5_cts_crypt()
600 		     struct xdr_buf *buf, struct page **pages)  in gss_krb5_aes_encrypt()  argument
629 	if (xdr_extend_head(buf, offset, kctx->gk5e->conflen))  in gss_krb5_aes_encrypt()
631 	gss_krb5_make_confounder(buf->head[0].iov_base + offset, kctx->gk5e->conflen);  in gss_krb5_aes_encrypt()
634 	if (buf->tail[0].iov_base != NULL) {  in gss_krb5_aes_encrypt()
635 		ecptr = buf->tail[0].iov_base + buf->tail[0].iov_len;  in gss_krb5_aes_encrypt()
637 		buf->tail[0].iov_base = buf->head[0].iov_base  in gss_krb5_aes_encrypt()
638 							+ buf->head[0].iov_len;  in gss_krb5_aes_encrypt()
639 		buf->tail[0].iov_len = 0;  in gss_krb5_aes_encrypt()
640 		ecptr = buf->tail[0].iov_base;  in gss_krb5_aes_encrypt()
644 	memcpy(ecptr, buf->head[0].iov_base + offset, GSS_KRB5_TOK_HDR_LEN);  in gss_krb5_aes_encrypt()
645 	buf->tail[0].iov_len += GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
646 	buf->len += GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
650 	hmac.data = buf->tail[0].iov_base + buf->tail[0].iov_len;  in gss_krb5_aes_encrypt()
659 	save_pages = buf->pages;  in gss_krb5_aes_encrypt()
660 	buf->pages = pages;  in gss_krb5_aes_encrypt()
662 	err = make_checksum_v2(kctx, NULL, 0, buf,  in gss_krb5_aes_encrypt()
665 	buf->pages = save_pages;  in gss_krb5_aes_encrypt()
669 	nbytes = buf->len - offset - GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
684 		desc.outbuf = buf;  in gss_krb5_aes_encrypt()
693 		err = xdr_process_buf(buf, offset + GSS_KRB5_TOK_HDR_LEN,  in gss_krb5_aes_encrypt()
701 	err = gss_krb5_cts_crypt(cipher, buf,  in gss_krb5_aes_encrypt()
710 	buf->tail[0].iov_len += kctx->gk5e->cksumlength;  in gss_krb5_aes_encrypt()
711 	buf->len += kctx->gk5e->cksumlength;  in gss_krb5_aes_encrypt()
721 		     struct xdr_buf *buf, u32 *headskip, u32 *tailskip)  in gss_krb5_aes_decrypt()  argument
749 	xdr_buf_subsegment(buf, &subbuf, offset + GSS_KRB5_TOK_HDR_LEN,  in gss_krb5_aes_decrypt()
795 	ret = read_bytes_from_xdr_buf(buf, len - kctx->gk5e->cksumlength,  in gss_krb5_aes_decrypt()