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-rw-r--r--drivers/s390/crypto/pkey_api.c16
-rw-r--r--drivers/s390/crypto/zcrypt_ep11misc.c61
-rw-r--r--drivers/s390/crypto/zcrypt_ep11misc.h3
3 files changed, 60 insertions, 20 deletions
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 2661d6a9ea13..7543757c82e2 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -272,7 +272,8 @@ static int pkey_clr2ep11key(const u8 *clrkey, size_t clrkeylen,
card = apqns[i] >> 16;
dom = apqns[i] & 0xFFFF;
rc = ep11_clr2keyblob(card, dom, clrkeylen * 8,
- 0, clrkey, keybuf, keybuflen);
+ 0, clrkey, keybuf, keybuflen,
+ PKEY_TYPE_EP11);
if (rc == 0)
break;
}
@@ -775,6 +776,11 @@ static int pkey_clr2seckey2(const struct pkey_apqn *apqns, size_t nr_apqns,
if (*keybufsize < MINEP11AESKEYBLOBSIZE)
return -EINVAL;
break;
+ case PKEY_TYPE_EP11_AES:
+ if (*keybufsize < (sizeof(struct ep11kblob_header) +
+ MINEP11AESKEYBLOBSIZE))
+ return -EINVAL;
+ break;
default:
return -EINVAL;
}
@@ -793,9 +799,11 @@ 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_EP11) {
+ if (ktype == PKEY_TYPE_EP11 ||
+ ktype == PKEY_TYPE_EP11_AES) {
rc = ep11_clr2keyblob(card, dom, ksize, kflags,
- clrkey, keybuf, keybufsize);
+ clrkey, keybuf, keybufsize,
+ ktype);
} else if (ktype == PKEY_TYPE_CCA_DATA) {
rc = cca_clr2seckey(card, dom, ksize,
clrkey, keybuf);
@@ -1514,7 +1522,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
apqns = _copy_apqns_from_user(kcs.apqns, kcs.apqn_entries);
if (IS_ERR(apqns))
return PTR_ERR(apqns);
- kkey = kmalloc(klen, GFP_KERNEL);
+ kkey = kzalloc(klen, GFP_KERNEL);
if (!kkey) {
kfree(apqns);
return -ENOMEM;
diff --git a/drivers/s390/crypto/zcrypt_ep11misc.c b/drivers/s390/crypto/zcrypt_ep11misc.c
index 51f6753e01c5..355d30bc0aac 100644
--- a/drivers/s390/crypto/zcrypt_ep11misc.c
+++ b/drivers/s390/crypto/zcrypt_ep11misc.c
@@ -1000,12 +1000,12 @@ out:
return rc;
}
-static int ep11_unwrapkey(u16 card, u16 domain,
- const u8 *kek, size_t keksize,
- const u8 *enckey, size_t enckeysize,
- u32 mech, const u8 *iv,
- u32 keybitsize, u32 keygenflags,
- u8 *keybuf, size_t *keybufsize)
+static int _ep11_unwrapkey(u16 card, u16 domain,
+ const u8 *kek, size_t keksize,
+ const u8 *enckey, size_t enckeysize,
+ u32 mech, const u8 *iv,
+ u32 keybitsize, u32 keygenflags,
+ u8 *keybuf, size_t *keybufsize)
{
struct uw_req_pl {
struct pl_head head;
@@ -1042,7 +1042,6 @@ static int ep11_unwrapkey(u16 card, u16 domain,
struct ep11_cprb *req = NULL, *rep = NULL;
struct ep11_target_dev target;
struct ep11_urb *urb = NULL;
- struct ep11keyblob *kb;
size_t req_pl_size;
int api, rc = -ENOMEM;
u8 *p;
@@ -1124,14 +1123,9 @@ static int ep11_unwrapkey(u16 card, u16 domain,
goto out;
}
- /* copy key blob and set header values */
+ /* copy key blob */
memcpy(keybuf, rep_pl->data, rep_pl->data_len);
*keybufsize = rep_pl->data_len;
- kb = (struct ep11keyblob *)keybuf;
- kb->head.type = TOKTYPE_NON_CCA;
- kb->head.len = rep_pl->data_len;
- kb->head.version = TOKVER_EP11_AES;
- kb->head.bitlen = keybitsize;
out:
kfree(req);
@@ -1140,6 +1134,42 @@ out:
return rc;
}
+static int ep11_unwrapkey(u16 card, u16 domain,
+ const u8 *kek, size_t keksize,
+ const u8 *enckey, size_t enckeysize,
+ u32 mech, const u8 *iv,
+ u32 keybitsize, u32 keygenflags,
+ u8 *keybuf, size_t *keybufsize,
+ u8 keybufver)
+{
+ struct ep11kblob_header *hdr;
+ size_t hdr_size, pl_size;
+ u8 *pl;
+ int rc;
+
+ rc = ep11_kb_split(keybuf, *keybufsize, keybufver,
+ &hdr, &hdr_size, &pl, &pl_size);
+ if (rc)
+ return rc;
+
+ rc = _ep11_unwrapkey(card, domain, kek, keksize, enckey, enckeysize,
+ mech, iv, keybitsize, keygenflags,
+ pl, &pl_size);
+ if (rc)
+ return rc;
+
+ *keybufsize = hdr_size + pl_size;
+
+ /* update header information */
+ hdr = (struct ep11kblob_header *)keybuf;
+ hdr->type = TOKTYPE_NON_CCA;
+ hdr->len = *keybufsize;
+ hdr->version = keybufver;
+ hdr->bitlen = keybitsize;
+
+ return 0;
+}
+
static int ep11_wrapkey(u16 card, u16 domain,
const u8 *key, size_t keysize,
u32 mech, const u8 *iv,
@@ -1274,7 +1304,8 @@ out:
}
int ep11_clr2keyblob(u16 card, u16 domain, u32 keybitsize, u32 keygenflags,
- const u8 *clrkey, u8 *keybuf, size_t *keybufsize)
+ const u8 *clrkey, u8 *keybuf, size_t *keybufsize,
+ u32 keytype)
{
int rc;
u8 encbuf[64], *kek = NULL;
@@ -1321,7 +1352,7 @@ int ep11_clr2keyblob(u16 card, u16 domain, u32 keybitsize, u32 keygenflags,
/* Step 3: import the encrypted key value as a new key */
rc = ep11_unwrapkey(card, domain, kek, keklen,
encbuf, encbuflen, 0, def_iv,
- keybitsize, 0, keybuf, keybufsize);
+ keybitsize, 0, keybuf, keybufsize, keytype);
if (rc) {
DEBUG_ERR(
"%s importing key value as new key failed,, rc=%d\n",
diff --git a/drivers/s390/crypto/zcrypt_ep11misc.h b/drivers/s390/crypto/zcrypt_ep11misc.h
index 2eecbd7be6e5..b611cf64231d 100644
--- a/drivers/s390/crypto/zcrypt_ep11misc.h
+++ b/drivers/s390/crypto/zcrypt_ep11misc.h
@@ -113,7 +113,8 @@ int ep11_genaeskey(u16 card, u16 domain, u32 keybitsize, u32 keygenflags,
* Generate EP11 AES secure key with given clear key value.
*/
int ep11_clr2keyblob(u16 cardnr, u16 domain, u32 keybitsize, u32 keygenflags,
- const u8 *clrkey, u8 *keybuf, size_t *keybufsize);
+ const u8 *clrkey, u8 *keybuf, size_t *keybufsize,
+ u32 keytype);
/*
* Build a list of ep11 apqns meeting the following constrains:
generated by cgit (git 2.34.1) at 2024-05-20 18:26:07 +0000