2 * Scatterlist Cryptographic API.
6 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
14 #include <linux/init.h>
15 //#include <linux/crypto.h>
16 #include "rtl_crypto.h"
17 #include <linux/rwsem.h>
18 #include <linux/proc_fs.h>
19 #include <linux/seq_file.h>
22 extern struct list_head crypto_alg_list;
23 extern struct rw_semaphore crypto_alg_sem;
25 static void *c_start(struct seq_file *m, loff_t *pos)
30 down_read(&crypto_alg_sem);
31 list_for_each(v, &crypto_alg_list)
33 return list_entry(v, struct crypto_alg, cra_list);
37 static void *c_next(struct seq_file *m, void *p, loff_t *pos)
39 struct list_head *v = p;
43 return (v == &crypto_alg_list) ?
44 NULL : list_entry(v, struct crypto_alg, cra_list);
47 static void c_stop(struct seq_file *m, void *p)
49 up_read(&crypto_alg_sem);
52 static int c_show(struct seq_file *m, void *p)
54 struct crypto_alg *alg = (struct crypto_alg *)p;
56 seq_printf(m, "name : %s\n", alg->cra_name);
57 seq_printf(m, "module : %s\n",
59 alg->cra_module->name :
62 switch (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
63 case CRYPTO_ALG_TYPE_CIPHER:
64 seq_printf(m, "type : cipher\n");
65 seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
66 seq_printf(m, "min keysize : %u\n",
67 alg->cra_cipher.cia_min_keysize);
68 seq_printf(m, "max keysize : %u\n",
69 alg->cra_cipher.cia_max_keysize);
72 case CRYPTO_ALG_TYPE_DIGEST:
73 seq_printf(m, "type : digest\n");
74 seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
75 seq_printf(m, "digestsize : %u\n",
76 alg->cra_digest.dia_digestsize);
78 case CRYPTO_ALG_TYPE_COMPRESS:
79 seq_printf(m, "type : compression\n");
82 seq_printf(m, "type : unknown\n");
90 static struct seq_operations crypto_seq_ops = {
97 static int crypto_info_open(struct inode *inode, struct file *file)
99 return seq_open(file, &crypto_seq_ops);
102 static struct file_operations proc_crypto_ops = {
103 .open = crypto_info_open,
106 .release = seq_release
109 void __init crypto_init_proc(void)
111 struct proc_dir_entry *proc;
113 proc = create_proc_entry("crypto", 0, NULL);
115 proc->proc_fops = &proc_crypto_ops;