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path: root/drivers/s390/crypto/pkey_api.c
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Diffstat (limited to 'drivers/s390/crypto/pkey_api.c')
-rw-r--r--drivers/s390/crypto/pkey_api.c416
1 files changed, 361 insertions, 55 deletions
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 3ecb6a255a0c..71dae64ba994 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -25,6 +25,7 @@
#include "zcrypt_api.h"
#include "zcrypt_ccamisc.h"
+#include "zcrypt_ep11misc.h"
MODULE_LICENSE("GPL");
MODULE_AUTHOR("IBM Corporation");
@@ -184,6 +185,72 @@ static int pkey_skey2pkey(const u8 *key, struct pkey_protkey *pkey)
}
/*
+ * Construct EP11 key with given clear key value.
+ */
+static int pkey_clr2ep11key(const u8 *clrkey, size_t clrkeylen,
+ u8 *keybuf, size_t *keybuflen)
+{
+ int i, rc;
+ u16 card, dom;
+ u32 nr_apqns, *apqns = NULL;
+
+ /* build a list of apqns suitable for ep11 keys with cpacf support */
+ rc = ep11_findcard2(&apqns, &nr_apqns, 0xFFFF, 0xFFFF,
+ ZCRYPT_CEX7, EP11_API_V, NULL);
+ if (rc)
+ goto out;
+
+ /* go through the list of apqns and try to bild an ep11 key */
+ for (rc = -ENODEV, i = 0; i < nr_apqns; i++) {
+ card = apqns[i] >> 16;
+ dom = apqns[i] & 0xFFFF;
+ rc = ep11_clr2keyblob(card, dom, clrkeylen * 8,
+ 0, clrkey, keybuf, keybuflen);
+ if (rc == 0)
+ break;
+ }
+
+out:
+ kfree(apqns);
+ if (rc)
+ DEBUG_DBG("%s failed rc=%d\n", __func__, rc);
+ return rc;
+}
+
+/*
+ * Find card and transform EP11 secure key into protected key.
+ */
+static int pkey_ep11key2pkey(const u8 *key, struct pkey_protkey *pkey)
+{
+ int i, rc;
+ u16 card, dom;
+ u32 nr_apqns, *apqns = NULL;
+ struct ep11keyblob *kb = (struct ep11keyblob *) key;
+
+ /* build a list of apqns suitable for this key */
+ rc = ep11_findcard2(&apqns, &nr_apqns, 0xFFFF, 0xFFFF,
+ ZCRYPT_CEX7, EP11_API_V, kb->wkvp);
+ if (rc)
+ goto out;
+
+ /* go through the list of apqns and try to derive an pkey */
+ for (rc = -ENODEV, i = 0; i < nr_apqns; i++) {
+ card = apqns[i] >> 16;
+ dom = apqns[i] & 0xFFFF;
+ rc = ep11_key2protkey(card, dom, key, kb->head.len,
+ pkey->protkey, &pkey->len, &pkey->type);
+ if (rc == 0)
+ break;
+ }
+
+out:
+ kfree(apqns);
+ if (rc)
+ DEBUG_DBG("%s failed rc=%d\n", __func__, rc);
+ return rc;
+}
+
+/*
* Verify key and give back some info about the key.
*/
static int pkey_verifykey(const struct pkey_seckey *seckey,
@@ -317,6 +384,7 @@ static int pkey_nonccatok2pkey(const u8 *key, u32 keylen,
struct pkey_protkey *protkey)
{
int rc = -EINVAL;
+ u8 *tmpbuf = NULL;
struct keytoken_header *hdr = (struct keytoken_header *)key;
switch (hdr->version) {
@@ -336,7 +404,11 @@ static int pkey_nonccatok2pkey(const u8 *key, u32 keylen,
case TOKVER_CLEAR_KEY: {
struct clearaeskeytoken *t;
struct pkey_clrkey ckey;
- struct pkey_seckey skey;
+ union u_tmpbuf {
+ u8 skey[SECKEYBLOBSIZE];
+ u8 ep11key[MAXEP11AESKEYBLOBSIZE];
+ };
+ size_t tmpbuflen = sizeof(union u_tmpbuf);
if (keylen < sizeof(struct clearaeskeytoken))
goto out;
@@ -349,22 +421,43 @@ static int pkey_nonccatok2pkey(const u8 *key, u32 keylen,
memcpy(ckey.clrkey, t->clearkey, t->len);
else
goto out;
+ /* alloc temp key buffer space */
+ tmpbuf = kmalloc(tmpbuflen, GFP_ATOMIC);
+ if (!tmpbuf) {
+ rc = -ENOMEM;
+ goto out;
+ }
/* try direct way with the PCKMO instruction */
rc = pkey_clr2protkey(t->keytype, &ckey, protkey);
if (rc == 0)
break;
/* PCKMO failed, so try the CCA secure key way */
rc = cca_clr2seckey(0xFFFF, 0xFFFF, t->keytype,
- ckey.clrkey, skey.seckey);
+ ckey.clrkey, tmpbuf);
if (rc == 0)
- rc = pkey_skey2pkey(skey.seckey, protkey);
- /* now we should really have an protected key */
+ rc = pkey_skey2pkey(tmpbuf, protkey);
if (rc == 0)
break;
+ /* if the CCA way also failed, let's try via EP11 */
+ rc = pkey_clr2ep11key(ckey.clrkey, t->len,
+ tmpbuf, &tmpbuflen);
+ if (rc == 0)
+ rc = pkey_ep11key2pkey(tmpbuf, protkey);
+ /* now we should really have an protected key */
DEBUG_ERR("%s unable to build protected key from clear",
__func__);
break;
}
+ case TOKVER_EP11_AES: {
+ if (keylen < MINEP11AESKEYBLOBSIZE)
+ goto out;
+ /* check ep11 key for exportable as protected key */
+ rc = ep11_check_aeskeyblob(debug_info, 3, key, 0, 1);
+ if (rc)
+ goto out;
+ rc = pkey_ep11key2pkey(key, protkey);
+ break;
+ }
default:
DEBUG_ERR("%s unknown/unsupported non-CCA token version %d\n",
__func__, hdr->version);
@@ -372,6 +465,7 @@ static int pkey_nonccatok2pkey(const u8 *key, u32 keylen,
}
out:
+ kfree(tmpbuf);
return rc;
}
@@ -451,6 +545,10 @@ static int pkey_genseckey2(const struct pkey_apqn *apqns, size_t nr_apqns,
if (*keybufsize < SECKEYBLOBSIZE)
return -EINVAL;
break;
+ case PKEY_TYPE_EP11:
+ if (*keybufsize < MINEP11AESKEYBLOBSIZE)
+ return -EINVAL;
+ break;
default:
return -EINVAL;
}
@@ -467,7 +565,10 @@ static int pkey_genseckey2(const struct pkey_apqn *apqns, size_t nr_apqns,
for (i = 0, rc = -ENODEV; i < nr_apqns; i++) {
card = apqns[i].card;
dom = apqns[i].domain;
- if (ktype == PKEY_TYPE_CCA_DATA) {
+ if (ktype == PKEY_TYPE_EP11) {
+ rc = ep11_genaeskey(card, dom, ksize, kflags,
+ keybuf, keybufsize);
+ } else if (ktype == PKEY_TYPE_CCA_DATA) {
rc = cca_genseckey(card, dom, ksize, keybuf);
*keybufsize = (rc ? 0 : SECKEYBLOBSIZE);
} else /* TOKVER_CCA_VLSC */
@@ -498,6 +599,10 @@ static int pkey_clr2seckey2(const struct pkey_apqn *apqns, size_t nr_apqns,
if (*keybufsize < SECKEYBLOBSIZE)
return -EINVAL;
break;
+ case PKEY_TYPE_EP11:
+ if (*keybufsize < MINEP11AESKEYBLOBSIZE)
+ return -EINVAL;
+ break;
default:
return -EINVAL;
}
@@ -514,7 +619,10 @@ static int pkey_clr2seckey2(const struct pkey_apqn *apqns, size_t nr_apqns,
for (i = 0, rc = -ENODEV; i < nr_apqns; i++) {
card = apqns[i].card;
dom = apqns[i].domain;
- if (ktype == PKEY_TYPE_CCA_DATA) {
+ if (ktype == PKEY_TYPE_EP11) {
+ rc = ep11_clr2keyblob(card, dom, ksize, kflags,
+ clrkey, keybuf, keybufsize);
+ } else if (ktype == PKEY_TYPE_CCA_DATA) {
rc = cca_clr2seckey(card, dom, ksize,
clrkey, keybuf);
*keybufsize = (rc ? 0 : SECKEYBLOBSIZE);
@@ -537,11 +645,11 @@ static int pkey_verifykey2(const u8 *key, size_t keylen,
u32 _nr_apqns, *_apqns = NULL;
struct keytoken_header *hdr = (struct keytoken_header *)key;
- if (keylen < sizeof(struct keytoken_header) ||
- hdr->type != TOKTYPE_CCA_INTERNAL)
+ if (keylen < sizeof(struct keytoken_header))
return -EINVAL;
- if (hdr->version == TOKVER_CCA_AES) {
+ if (hdr->type == TOKTYPE_CCA_INTERNAL
+ && hdr->version == TOKVER_CCA_AES) {
struct secaeskeytoken *t = (struct secaeskeytoken *)key;
rc = cca_check_secaeskeytoken(debug_info, 3, key, 0);
@@ -569,7 +677,8 @@ static int pkey_verifykey2(const u8 *key, size_t keylen,
*cardnr = ((struct pkey_apqn *)_apqns)->card;
*domain = ((struct pkey_apqn *)_apqns)->domain;
- } else if (hdr->version == TOKVER_CCA_VLSC) {
+ } else if (hdr->type == TOKTYPE_CCA_INTERNAL
+ && hdr->version == TOKVER_CCA_VLSC) {
struct cipherkeytoken *t = (struct cipherkeytoken *)key;
rc = cca_check_secaescipherkey(debug_info, 3, key, 0, 1);
@@ -604,6 +713,29 @@ static int pkey_verifykey2(const u8 *key, size_t keylen,
*cardnr = ((struct pkey_apqn *)_apqns)->card;
*domain = ((struct pkey_apqn *)_apqns)->domain;
+ } else if (hdr->type == TOKTYPE_NON_CCA
+ && hdr->version == TOKVER_EP11_AES) {
+ struct ep11keyblob *kb = (struct ep11keyblob *)key;
+
+ rc = ep11_check_aeskeyblob(debug_info, 3, key, 0, 1);
+ if (rc)
+ goto out;
+ if (ktype)
+ *ktype = PKEY_TYPE_EP11;
+ if (ksize)
+ *ksize = kb->head.keybitlen;
+
+ rc = ep11_findcard2(&_apqns, &_nr_apqns, *cardnr, *domain,
+ ZCRYPT_CEX7, EP11_API_V, kb->wkvp);
+ if (rc)
+ goto out;
+
+ if (flags)
+ *flags = PKEY_FLAGS_MATCH_CUR_MKVP;
+
+ *cardnr = ((struct pkey_apqn *)_apqns)->card;
+ *domain = ((struct pkey_apqn *)_apqns)->domain;
+
} else
rc = -EINVAL;
@@ -626,30 +758,32 @@ static int pkey_keyblob2pkey2(const struct pkey_apqn *apqns, size_t nr_apqns,
if (keylen < sizeof(struct keytoken_header))
return -EINVAL;
- switch (hdr->type) {
- case TOKTYPE_NON_CCA:
- return pkey_nonccatok2pkey(key, keylen, pkey);
- case TOKTYPE_CCA_INTERNAL:
- switch (hdr->version) {
- case TOKVER_CCA_AES:
+ if (hdr->type == TOKTYPE_CCA_INTERNAL) {
+ if (hdr->version == TOKVER_CCA_AES) {
if (keylen != sizeof(struct secaeskeytoken))
return -EINVAL;
if (cca_check_secaeskeytoken(debug_info, 3, key, 0))
return -EINVAL;
- break;
- case TOKVER_CCA_VLSC:
+ } else if (hdr->version == TOKVER_CCA_VLSC) {
if (keylen < hdr->len || keylen > MAXCCAVLSCTOKENSIZE)
return -EINVAL;
if (cca_check_secaescipherkey(debug_info, 3, key, 0, 1))
return -EINVAL;
- break;
- default:
+ } else {
DEBUG_ERR("%s unknown CCA internal token version %d\n",
__func__, hdr->version);
return -EINVAL;
}
- break;
- default:
+ } else if (hdr->type == TOKTYPE_NON_CCA) {
+ if (hdr->version == TOKVER_EP11_AES) {
+ if (keylen < sizeof(struct ep11keyblob))
+ return -EINVAL;
+ if (ep11_check_aeskeyblob(debug_info, 3, key, 0, 1))
+ return -EINVAL;
+ } else {
+ return pkey_nonccatok2pkey(key, keylen, pkey);
+ }
+ } else {
DEBUG_ERR("%s unknown/unsupported blob type %d\n",
__func__, hdr->type);
return -EINVAL;
@@ -659,12 +793,21 @@ static int pkey_keyblob2pkey2(const struct pkey_apqn *apqns, size_t nr_apqns,
for (i = 0, rc = -ENODEV; i < nr_apqns; i++) {
card = apqns[i].card;
dom = apqns[i].domain;
- if (hdr->version == TOKVER_CCA_AES)
+ if (hdr->type == TOKTYPE_CCA_INTERNAL
+ && hdr->version == TOKVER_CCA_AES)
rc = cca_sec2protkey(card, dom, key, pkey->protkey,
&pkey->len, &pkey->type);
- else /* TOKVER_CCA_VLSC */
+ else if (hdr->type == TOKTYPE_CCA_INTERNAL
+ && hdr->version == TOKVER_CCA_VLSC)
rc = cca_cipher2protkey(card, dom, key, pkey->protkey,
&pkey->len, &pkey->type);
+ else { /* EP11 AES secure key blob */
+ struct ep11keyblob *kb = (struct ep11keyblob *) key;
+
+ rc = ep11_key2protkey(card, dom, key, kb->head.len,
+ pkey->protkey, &pkey->len,
+ &pkey->type);
+ }
if (rc == 0)
break;
}
@@ -679,12 +822,24 @@ static int pkey_apqns4key(const u8 *key, size_t keylen, u32 flags,
u32 _nr_apqns, *_apqns = NULL;
struct keytoken_header *hdr = (struct keytoken_header *)key;
- if (keylen < sizeof(struct keytoken_header) ||
- hdr->type != TOKTYPE_CCA_INTERNAL ||
- flags == 0)
+ if (keylen < sizeof(struct keytoken_header) || flags == 0)
return -EINVAL;
- if (hdr->version == TOKVER_CCA_AES || hdr->version == TOKVER_CCA_VLSC) {
+ if (hdr->type == TOKTYPE_NON_CCA && hdr->version == TOKVER_EP11_AES) {
+ int minhwtype = 0, api = 0;
+ struct ep11keyblob *kb = (struct ep11keyblob *) key;
+
+ if (flags != PKEY_FLAGS_MATCH_CUR_MKVP)
+ return -EINVAL;
+ if (kb->attr & EP11_BLOB_PKEY_EXTRACTABLE) {
+ minhwtype = ZCRYPT_CEX7;
+ api = EP11_API_V;
+ }
+ rc = ep11_findcard2(&_apqns, &_nr_apqns, 0xFFFF, 0xFFFF,
+ minhwtype, api, kb->wkvp);
+ if (rc)
+ goto out;
+ } else if (hdr->type == TOKTYPE_CCA_INTERNAL) {
int minhwtype = ZCRYPT_CEX3C;
u64 cur_mkvp = 0, old_mkvp = 0;
@@ -695,7 +850,7 @@ static int pkey_apqns4key(const u8 *key, size_t keylen, u32 flags,
cur_mkvp = t->mkvp;
if (flags & PKEY_FLAGS_MATCH_ALT_MKVP)
old_mkvp = t->mkvp;
- } else {
+ } else if (hdr->version == TOKVER_CCA_VLSC) {
struct cipherkeytoken *t = (struct cipherkeytoken *)key;
minhwtype = ZCRYPT_CEX6;
@@ -703,19 +858,24 @@ static int pkey_apqns4key(const u8 *key, size_t keylen, u32 flags,
cur_mkvp = t->mkvp0;
if (flags & PKEY_FLAGS_MATCH_ALT_MKVP)
old_mkvp = t->mkvp0;
+ } else {
+ /* unknown cca internal token type */
+ return -EINVAL;
}
rc = cca_findcard2(&_apqns, &_nr_apqns, 0xFFFF, 0xFFFF,
minhwtype, cur_mkvp, old_mkvp, 1);
if (rc)
goto out;
- if (apqns) {
- if (*nr_apqns < _nr_apqns)
- rc = -ENOSPC;
- else
- memcpy(apqns, _apqns, _nr_apqns * sizeof(u32));
- }
- *nr_apqns = _nr_apqns;
+ } else
+ return -EINVAL;
+
+ if (apqns) {
+ if (*nr_apqns < _nr_apqns)
+ rc = -ENOSPC;
+ else
+ memcpy(apqns, _apqns, _nr_apqns * sizeof(u32));
}
+ *nr_apqns = _nr_apqns;
out:
kfree(_apqns);
@@ -743,14 +903,26 @@ static int pkey_apqns4keytype(enum pkey_key_type ktype,
minhwtype, cur_mkvp, old_mkvp, 1);
if (rc)
goto out;
- if (apqns) {
- if (*nr_apqns < _nr_apqns)
- rc = -ENOSPC;
- else
- memcpy(apqns, _apqns, _nr_apqns * sizeof(u32));
- }
- *nr_apqns = _nr_apqns;
+ } else if (ktype == PKEY_TYPE_EP11) {
+ u8 *wkvp = NULL;
+
+ if (flags & PKEY_FLAGS_MATCH_CUR_MKVP)
+ wkvp = cur_mkvp;
+ rc = ep11_findcard2(&_apqns, &_nr_apqns, 0xFFFF, 0xFFFF,
+ ZCRYPT_CEX7, EP11_API_V, wkvp);
+ if (rc)
+ goto out;
+
+ } else
+ return -EINVAL;
+
+ if (apqns) {
+ if (*nr_apqns < _nr_apqns)
+ rc = -ENOSPC;
+ else
+ memcpy(apqns, _apqns, _nr_apqns * sizeof(u32));
}
+ *nr_apqns = _nr_apqns;
out:
kfree(_apqns);
@@ -1405,8 +1577,9 @@ static ssize_t pkey_ccacipher_aes_attr_read(enum pkey_key_size keybits,
bool is_xts, char *buf, loff_t off,
size_t count)
{
- size_t keysize;
- int rc;
+ int i, rc, card, dom;
+ u32 nr_apqns, *apqns = NULL;
+ size_t keysize = CCACIPHERTOKENSIZE;
if (off != 0 || count < CCACIPHERTOKENSIZE)
return -EINVAL;
@@ -1414,22 +1587,31 @@ static ssize_t pkey_ccacipher_aes_attr_read(enum pkey_key_size keybits,
if (count < 2 * CCACIPHERTOKENSIZE)
return -EINVAL;
- keysize = CCACIPHERTOKENSIZE;
- rc = cca_gencipherkey(-1, -1, keybits, 0, buf, &keysize);
+ /* build a list of apqns able to generate an cipher key */
+ rc = cca_findcard2(&apqns, &nr_apqns, 0xFFFF, 0xFFFF,
+ ZCRYPT_CEX6, 0, 0, 0);
if (rc)
return rc;
- memset(buf + keysize, 0, CCACIPHERTOKENSIZE - keysize);
- if (is_xts) {
- keysize = CCACIPHERTOKENSIZE;
- rc = cca_gencipherkey(-1, -1, keybits, 0,
- buf + CCACIPHERTOKENSIZE, &keysize);
+ memset(buf, 0, is_xts ? 2 * keysize : keysize);
+
+ /* simple try all apqns from the list */
+ for (i = 0, rc = -ENODEV; i < nr_apqns; i++) {
+ card = apqns[i] >> 16;
+ dom = apqns[i] & 0xFFFF;
+ rc = cca_gencipherkey(card, dom, keybits, 0, buf, &keysize);
+ if (rc == 0)
+ break;
+ }
if (rc)
return rc;
- memset(buf + CCACIPHERTOKENSIZE + keysize, 0,
- CCACIPHERTOKENSIZE - keysize);
- return 2 * CCACIPHERTOKENSIZE;
+ if (is_xts) {
+ keysize = CCACIPHERTOKENSIZE;
+ buf += CCACIPHERTOKENSIZE;
+ rc = cca_gencipherkey(card, dom, keybits, 0, buf, &keysize);
+ if (rc == 0)
+ return 2 * CCACIPHERTOKENSIZE;
}
return CCACIPHERTOKENSIZE;
@@ -1505,10 +1687,134 @@ static struct attribute_group ccacipher_attr_group = {
.bin_attrs = ccacipher_attrs,
};
+/*
+ * Sysfs attribute read function for all ep11 aes key binary attributes.
+ * The implementation can not deal with partial reads, because a new random
+ * secure key blob is generated with each read. In case of partial reads
+ * (i.e. off != 0 or count < key blob size) -EINVAL is returned.
+ * This function and the sysfs attributes using it provide EP11 key blobs
+ * padded to the upper limit of MAXEP11AESKEYBLOBSIZE which is currently
+ * 320 bytes.
+ */
+static ssize_t pkey_ep11_aes_attr_read(enum pkey_key_size keybits,
+ bool is_xts, char *buf, loff_t off,
+ size_t count)
+{
+ int i, rc, card, dom;
+ u32 nr_apqns, *apqns = NULL;
+ size_t keysize = MAXEP11AESKEYBLOBSIZE;
+
+ if (off != 0 || count < MAXEP11AESKEYBLOBSIZE)
+ return -EINVAL;
+ if (is_xts)
+ if (count < 2 * MAXEP11AESKEYBLOBSIZE)
+ return -EINVAL;
+
+ /* build a list of apqns able to generate an cipher key */
+ rc = ep11_findcard2(&apqns, &nr_apqns, 0xFFFF, 0xFFFF,
+ ZCRYPT_CEX7, EP11_API_V, NULL);
+ if (rc)
+ return rc;
+
+ memset(buf, 0, is_xts ? 2 * keysize : keysize);
+
+ /* simple try all apqns from the list */
+ for (i = 0, rc = -ENODEV; i < nr_apqns; i++) {
+ card = apqns[i] >> 16;
+ dom = apqns[i] & 0xFFFF;
+ rc = ep11_genaeskey(card, dom, keybits, 0, buf, &keysize);
+ if (rc == 0)
+ break;
+ }
+ if (rc)
+ return rc;
+
+ if (is_xts) {
+ keysize = MAXEP11AESKEYBLOBSIZE;
+ buf += MAXEP11AESKEYBLOBSIZE;
+ rc = ep11_genaeskey(card, dom, keybits, 0, buf, &keysize);
+ if (rc == 0)
+ return 2 * MAXEP11AESKEYBLOBSIZE;
+ }
+
+ return MAXEP11AESKEYBLOBSIZE;
+}
+
+static ssize_t ep11_aes_128_read(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t off,
+ size_t count)
+{
+ return pkey_ep11_aes_attr_read(PKEY_SIZE_AES_128, false, buf,
+ off, count);
+}
+
+static ssize_t ep11_aes_192_read(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t off,
+ size_t count)
+{
+ return pkey_ep11_aes_attr_read(PKEY_SIZE_AES_192, false, buf,
+ off, count);
+}
+
+static ssize_t ep11_aes_256_read(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t off,
+ size_t count)
+{
+ return pkey_ep11_aes_attr_read(PKEY_SIZE_AES_256, false, buf,
+ off, count);
+}
+
+static ssize_t ep11_aes_128_xts_read(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t off,
+ size_t count)
+{
+ return pkey_ep11_aes_attr_read(PKEY_SIZE_AES_128, true, buf,
+ off, count);
+}
+
+static ssize_t ep11_aes_256_xts_read(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t off,
+ size_t count)
+{
+ return pkey_ep11_aes_attr_read(PKEY_SIZE_AES_256, true, buf,
+ off, count);
+}
+
+static BIN_ATTR_RO(ep11_aes_128, MAXEP11AESKEYBLOBSIZE);
+static BIN_ATTR_RO(ep11_aes_192, MAXEP11AESKEYBLOBSIZE);
+static BIN_ATTR_RO(ep11_aes_256, MAXEP11AESKEYBLOBSIZE);
+static BIN_ATTR_RO(ep11_aes_128_xts, 2 * MAXEP11AESKEYBLOBSIZE);
+static BIN_ATTR_RO(ep11_aes_256_xts, 2 * MAXEP11AESKEYBLOBSIZE);
+
+static struct bin_attribute *ep11_attrs[] = {
+ &bin_attr_ep11_aes_128,
+ &bin_attr_ep11_aes_192,
+ &bin_attr_ep11_aes_256,
+ &bin_attr_ep11_aes_128_xts,
+ &bin_attr_ep11_aes_256_xts,
+ NULL
+};
+
+static struct attribute_group ep11_attr_group = {
+ .name = "ep11",
+ .bin_attrs = ep11_attrs,
+};
+
static const struct attribute_group *pkey_attr_groups[] = {
&protkey_attr_group,
&ccadata_attr_group,
&ccacipher_attr_group,
+ &ep11_attr_group,
NULL,
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-16 05:36:07 +0100