530 gss_encrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *buf,  in gss_encrypt_xdr_buf()  argument
537 	BUG_ON((buf->len - offset) % crypto_sync_skcipher_blocksize(tfm) != 0);  in gss_encrypt_xdr_buf()
545 	desc.outbuf = buf;  in gss_encrypt_xdr_buf()
553 	ret = xdr_process_buf(buf, offset, buf->len - offset, encryptor, &desc);  in gss_encrypt_xdr_buf()
613 gss_decrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *buf,  in gss_decrypt_xdr_buf()  argument
621 	BUG_ON((buf->len - offset) % crypto_sync_skcipher_blocksize(tfm) != 0);  in gss_decrypt_xdr_buf()
633 	ret = xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc);  in gss_decrypt_xdr_buf()
656 xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen)  in xdr_extend_head()  argument
666 	p = buf->head[0].iov_base + base;  in xdr_extend_head()
668 	memmove(p + shiftlen, p, buf->head[0].iov_len - base);  in xdr_extend_head()
670 	buf->head[0].iov_len += shiftlen;  in xdr_extend_head()
671 	buf->len += shiftlen;  in xdr_extend_head()
677 gss_krb5_cts_crypt(struct crypto_sync_skcipher *cipher, struct xdr_buf *buf,  in gss_krb5_cts_crypt()  argument
685 	u32 len = buf->len - offset;  in gss_krb5_cts_crypt()
700 	save_pages = buf->pages;  in gss_krb5_cts_crypt()
702 		buf->pages = pages;  in gss_krb5_cts_crypt()
704 	ret = read_bytes_from_xdr_buf(buf, offset, data, len);  in gss_krb5_cts_crypt()
705 	buf->pages = save_pages;  in gss_krb5_cts_crypt()
725 	ret = write_bytes_to_xdr_buf(buf, offset, data, len);  in gss_krb5_cts_crypt()
734 		     struct xdr_buf *buf, struct page **pages)  in gss_krb5_aes_encrypt()  argument
763 	if (xdr_extend_head(buf, offset, kctx->gk5e->conflen))  in gss_krb5_aes_encrypt()
765 	gss_krb5_make_confounder(buf->head[0].iov_base + offset, kctx->gk5e->conflen);  in gss_krb5_aes_encrypt()
768 	if (buf->tail[0].iov_base != NULL) {  in gss_krb5_aes_encrypt()
769 		ecptr = buf->tail[0].iov_base + buf->tail[0].iov_len;  in gss_krb5_aes_encrypt()
771 		buf->tail[0].iov_base = buf->head[0].iov_base  in gss_krb5_aes_encrypt()
772 							+ buf->head[0].iov_len;  in gss_krb5_aes_encrypt()
773 		buf->tail[0].iov_len = 0;  in gss_krb5_aes_encrypt()
774 		ecptr = buf->tail[0].iov_base;  in gss_krb5_aes_encrypt()
778 	memcpy(ecptr, buf->head[0].iov_base + offset, GSS_KRB5_TOK_HDR_LEN);  in gss_krb5_aes_encrypt()
779 	buf->tail[0].iov_len += GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
780 	buf->len += GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
784 	hmac.data = buf->tail[0].iov_base + buf->tail[0].iov_len;  in gss_krb5_aes_encrypt()
793 	save_pages = buf->pages;  in gss_krb5_aes_encrypt()
794 	buf->pages = pages;  in gss_krb5_aes_encrypt()
796 	err = make_checksum_v2(kctx, NULL, 0, buf,  in gss_krb5_aes_encrypt()
799 	buf->pages = save_pages;  in gss_krb5_aes_encrypt()
803 	nbytes = buf->len - offset - GSS_KRB5_TOK_HDR_LEN;  in gss_krb5_aes_encrypt()
818 		desc.outbuf = buf;  in gss_krb5_aes_encrypt()
827 		err = xdr_process_buf(buf, offset + GSS_KRB5_TOK_HDR_LEN,  in gss_krb5_aes_encrypt()
835 	err = gss_krb5_cts_crypt(cipher, buf,  in gss_krb5_aes_encrypt()
844 	buf->tail[0].iov_len += kctx->gk5e->cksumlength;  in gss_krb5_aes_encrypt()
845 	buf->len += kctx->gk5e->cksumlength;  in gss_krb5_aes_encrypt()
854 gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf,  in gss_krb5_aes_decrypt()  argument
883 	xdr_buf_subsegment(buf, &subbuf, offset + GSS_KRB5_TOK_HDR_LEN,  in gss_krb5_aes_decrypt()
884 				    (buf->len - offset - GSS_KRB5_TOK_HDR_LEN -  in gss_krb5_aes_decrypt()
929 	ret = read_bytes_from_xdr_buf(buf, buf->len - kctx->gk5e->cksumlength,  in gss_krb5_aes_decrypt()