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authorLinus Torvalds <torvalds@linux-foundation.org>2026-02-10 19:36:42 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2026-02-10 19:36:42 +0300
commit08df88fa142f3ba298bf0f7840fa9187e2fb5956 (patch)
treea24e9cf0781e353b8c2e86cdb9b110ba90bc6a6f /arch
parent13d83ea9d81ddcb08b46377dcc9de6e5df1248d1 (diff)
parent0ce90934c0a6baac053029ad28566536ae50d604 (diff)
downloadlinux-08df88fa142f3ba298bf0f7840fa9187e2fb5956.tar.xz
Merge tag 'v7.0-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu: "API: - Fix race condition in hwrng core by using RCU Algorithms: - Allow authenc(sha224,rfc3686) in fips mode - Add test vectors for authenc(hmac(sha384),cbc(aes)) - Add test vectors for authenc(hmac(sha224),cbc(aes)) - Add test vectors for authenc(hmac(md5),cbc(des3_ede)) - Add lz4 support in hisi_zip - Only allow clear key use during self-test in s390/{phmac,paes} Drivers: - Set rng quality to 900 in airoha - Add gcm(aes) support for AMD/Xilinx Versal device - Allow tfms to share device in hisilicon/trng" * tag 'v7.0-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (100 commits) crypto: img-hash - Use unregister_ahashes in img_{un}register_algs crypto: testmgr - Add test vectors for authenc(hmac(md5),cbc(des3_ede)) crypto: cesa - Simplify return statement in mv_cesa_dequeue_req_locked crypto: testmgr - Add test vectors for authenc(hmac(sha224),cbc(aes)) crypto: testmgr - Add test vectors for authenc(hmac(sha384),cbc(aes)) hwrng: core - use RCU and work_struct to fix race condition crypto: starfive - Fix memory leak in starfive_aes_aead_do_one_req() crypto: xilinx - Fix inconsistant indentation crypto: rng - Use unregister_rngs in register_rngs crypto: atmel - Use unregister_{aeads,ahashes,skciphers} hwrng: optee - simplify OP-TEE context match crypto: ccp - Add sysfs attribute for boot integrity dt-bindings: crypto: atmel,at91sam9g46-sha: add microchip,lan9691-sha dt-bindings: crypto: atmel,at91sam9g46-aes: add microchip,lan9691-aes dt-bindings: crypto: qcom,inline-crypto-engine: document the Milos ICE crypto: caam - fix netdev memory leak in dpaa2_caam_probe crypto: hisilicon/qm - increase wait time for mailbox crypto: hisilicon/qm - obtain the mailbox configuration at one time crypto: hisilicon/qm - remove unnecessary code in qm_mb_write() crypto: hisilicon/qm - move the barrier before writing to the mailbox register ...
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/crypto/paes_s390.c93
-rw-r--r--arch/s390/crypto/phmac_s390.c29
-rw-r--r--arch/s390/include/asm/pkey.h8
3 files changed, 84 insertions, 46 deletions
diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c
index 64aef7eb2030..8cfe6166c193 100644
--- a/arch/s390/crypto/paes_s390.c
+++ b/arch/s390/crypto/paes_s390.c
@@ -40,6 +40,10 @@
#define PAES_256_PROTKEY_SIZE (32 + 32) /* key + verification pattern */
#define PXTS_256_PROTKEY_SIZE (32 + 32 + 32) /* k1 + k2 + verification pattern */
+static bool pkey_clrkey_allowed;
+module_param_named(clrkey, pkey_clrkey_allowed, bool, 0444);
+MODULE_PARM_DESC(clrkey, "Allow clear key material (default N)");
+
static u8 *ctrblk;
static DEFINE_MUTEX(ctrblk_lock);
@@ -192,10 +196,14 @@ static inline int pxts_ctx_setkey(struct s390_pxts_ctx *ctx,
* This function may sleep - don't call in non-sleeping context.
*/
static inline int convert_key(const u8 *key, unsigned int keylen,
- struct paes_protkey *pk)
+ struct paes_protkey *pk, bool tested)
{
+ u32 xflags = PKEY_XFLAG_NOMEMALLOC;
int rc, i;
+ if (tested && !pkey_clrkey_allowed)
+ xflags |= PKEY_XFLAG_NOCLEARKEY;
+
pk->len = sizeof(pk->protkey);
/*
@@ -209,7 +217,7 @@ static inline int convert_key(const u8 *key, unsigned int keylen,
}
rc = pkey_key2protkey(key, keylen,
pk->protkey, &pk->len, &pk->type,
- PKEY_XFLAG_NOMEMALLOC);
+ xflags);
}
out:
@@ -231,7 +239,7 @@ out:
* unnecessary additional conversion but never to invalid data on en-
* or decrypt operations.
*/
-static int paes_convert_key(struct s390_paes_ctx *ctx)
+static int paes_convert_key(struct s390_paes_ctx *ctx, bool tested)
{
struct paes_protkey pk;
int rc;
@@ -240,7 +248,7 @@ static int paes_convert_key(struct s390_paes_ctx *ctx)
ctx->pk_state = PK_STATE_CONVERT_IN_PROGRESS;
spin_unlock_bh(&ctx->pk_lock);
- rc = convert_key(ctx->keybuf, ctx->keylen, &pk);
+ rc = convert_key(ctx->keybuf, ctx->keylen, &pk, tested);
/* update context */
spin_lock_bh(&ctx->pk_lock);
@@ -263,7 +271,7 @@ static int paes_convert_key(struct s390_paes_ctx *ctx)
* pk_type, pk_len and the protected key in the tfm context.
* See also comments on function paes_convert_key.
*/
-static int pxts_convert_key(struct s390_pxts_ctx *ctx)
+static int pxts_convert_key(struct s390_pxts_ctx *ctx, bool tested)
{
struct paes_protkey pk0, pk1;
size_t split_keylen;
@@ -273,7 +281,7 @@ static int pxts_convert_key(struct s390_pxts_ctx *ctx)
ctx->pk_state = PK_STATE_CONVERT_IN_PROGRESS;
spin_unlock_bh(&ctx->pk_lock);
- rc = convert_key(ctx->keybuf, ctx->keylen, &pk0);
+ rc = convert_key(ctx->keybuf, ctx->keylen, &pk0, tested);
if (rc)
goto out;
@@ -287,7 +295,7 @@ static int pxts_convert_key(struct s390_pxts_ctx *ctx)
}
split_keylen = ctx->keylen / 2;
rc = convert_key(ctx->keybuf + split_keylen,
- split_keylen, &pk1);
+ split_keylen, &pk1, tested);
if (rc)
goto out;
if (pk0.type != pk1.type) {
@@ -343,6 +351,7 @@ static int ecb_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ bool tested = crypto_skcipher_tested(tfm);
long fc;
int rc;
@@ -352,7 +361,7 @@ static int ecb_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
goto out;
/* convert key into protected key */
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc)
goto out;
@@ -382,7 +391,7 @@ out:
static int ecb_paes_do_crypt(struct s390_paes_ctx *ctx,
struct s390_pecb_req_ctx *req_ctx,
- bool maysleep)
+ bool tested, bool maysleep)
{
struct ecb_param *param = &req_ctx->param;
struct skcipher_walk *walk = &req_ctx->walk;
@@ -430,7 +439,7 @@ static int ecb_paes_do_crypt(struct s390_paes_ctx *ctx,
rc = -EKEYEXPIRED;
goto out;
}
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc)
goto out;
spin_lock_bh(&ctx->pk_lock);
@@ -450,6 +459,7 @@ static int ecb_paes_crypt(struct skcipher_request *req, unsigned long modifier)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/*
@@ -468,7 +478,7 @@ static int ecb_paes_crypt(struct skcipher_request *req, unsigned long modifier)
/* Try synchronous operation if no active engine usage */
if (!atomic_read(&ctx->via_engine_ctr)) {
- rc = ecb_paes_do_crypt(ctx, req_ctx, false);
+ rc = ecb_paes_do_crypt(ctx, req_ctx, tested, false);
if (rc == 0)
goto out;
}
@@ -531,11 +541,12 @@ static int ecb_paes_do_one_request(struct crypto_engine *engine, void *areq)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/* walk has already been prepared */
- rc = ecb_paes_do_crypt(ctx, req_ctx, true);
+ rc = ecb_paes_do_crypt(ctx, req_ctx, tested, true);
if (rc == -EKEYEXPIRED) {
/*
* Protected key expired, conversion is in process.
@@ -602,6 +613,7 @@ static int cbc_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ bool tested = crypto_skcipher_tested(tfm);
long fc;
int rc;
@@ -611,7 +623,7 @@ static int cbc_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
goto out;
/* convert raw key into protected key */
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc)
goto out;
@@ -641,7 +653,7 @@ out:
static int cbc_paes_do_crypt(struct s390_paes_ctx *ctx,
struct s390_pcbc_req_ctx *req_ctx,
- bool maysleep)
+ bool tested, bool maysleep)
{
struct cbc_param *param = &req_ctx->param;
struct skcipher_walk *walk = &req_ctx->walk;
@@ -693,7 +705,7 @@ static int cbc_paes_do_crypt(struct s390_paes_ctx *ctx,
rc = -EKEYEXPIRED;
goto out;
}
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc)
goto out;
spin_lock_bh(&ctx->pk_lock);
@@ -713,6 +725,7 @@ static int cbc_paes_crypt(struct skcipher_request *req, unsigned long modifier)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/*
@@ -731,7 +744,7 @@ static int cbc_paes_crypt(struct skcipher_request *req, unsigned long modifier)
/* Try synchronous operation if no active engine usage */
if (!atomic_read(&ctx->via_engine_ctr)) {
- rc = cbc_paes_do_crypt(ctx, req_ctx, false);
+ rc = cbc_paes_do_crypt(ctx, req_ctx, tested, false);
if (rc == 0)
goto out;
}
@@ -794,11 +807,12 @@ static int cbc_paes_do_one_request(struct crypto_engine *engine, void *areq)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/* walk has already been prepared */
- rc = cbc_paes_do_crypt(ctx, req_ctx, true);
+ rc = cbc_paes_do_crypt(ctx, req_ctx, tested, true);
if (rc == -EKEYEXPIRED) {
/*
* Protected key expired, conversion is in process.
@@ -865,6 +879,7 @@ static int ctr_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ bool tested = crypto_skcipher_tested(tfm);
long fc;
int rc;
@@ -874,7 +889,7 @@ static int ctr_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
goto out;
/* convert raw key into protected key */
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc)
goto out;
@@ -919,7 +934,7 @@ static inline unsigned int __ctrblk_init(u8 *ctrptr, u8 *iv, unsigned int nbytes
static int ctr_paes_do_crypt(struct s390_paes_ctx *ctx,
struct s390_pctr_req_ctx *req_ctx,
- bool maysleep)
+ bool tested, bool maysleep)
{
struct ctr_param *param = &req_ctx->param;
struct skcipher_walk *walk = &req_ctx->walk;
@@ -979,7 +994,7 @@ static int ctr_paes_do_crypt(struct s390_paes_ctx *ctx,
rc = -EKEYEXPIRED;
goto out;
}
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc) {
if (locked)
mutex_unlock(&ctrblk_lock);
@@ -1006,7 +1021,7 @@ static int ctr_paes_do_crypt(struct s390_paes_ctx *ctx,
rc = -EKEYEXPIRED;
goto out;
}
- rc = paes_convert_key(ctx);
+ rc = paes_convert_key(ctx, tested);
if (rc)
goto out;
spin_lock_bh(&ctx->pk_lock);
@@ -1029,6 +1044,7 @@ static int ctr_paes_crypt(struct skcipher_request *req)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/*
@@ -1046,7 +1062,7 @@ static int ctr_paes_crypt(struct skcipher_request *req)
/* Try synchronous operation if no active engine usage */
if (!atomic_read(&ctx->via_engine_ctr)) {
- rc = ctr_paes_do_crypt(ctx, req_ctx, false);
+ rc = ctr_paes_do_crypt(ctx, req_ctx, tested, false);
if (rc == 0)
goto out;
}
@@ -1099,11 +1115,12 @@ static int ctr_paes_do_one_request(struct crypto_engine *engine, void *areq)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_paes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/* walk has already been prepared */
- rc = ctr_paes_do_crypt(ctx, req_ctx, true);
+ rc = ctr_paes_do_crypt(ctx, req_ctx, tested, true);
if (rc == -EKEYEXPIRED) {
/*
* Protected key expired, conversion is in process.
@@ -1190,6 +1207,7 @@ static int xts_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int in_keylen)
{
struct s390_pxts_ctx *ctx = crypto_skcipher_ctx(tfm);
+ bool tested = crypto_skcipher_tested(tfm);
u8 ckey[2 * AES_MAX_KEY_SIZE];
unsigned int ckey_len;
long fc;
@@ -1205,7 +1223,7 @@ static int xts_paes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
goto out;
/* convert raw key(s) into protected key(s) */
- rc = pxts_convert_key(ctx);
+ rc = pxts_convert_key(ctx, tested);
if (rc)
goto out;
@@ -1255,7 +1273,7 @@ out:
static int xts_paes_do_crypt_fullkey(struct s390_pxts_ctx *ctx,
struct s390_pxts_req_ctx *req_ctx,
- bool maysleep)
+ bool tested, bool maysleep)
{
struct xts_full_km_param *param = &req_ctx->param.full_km_param;
struct skcipher_walk *walk = &req_ctx->walk;
@@ -1299,7 +1317,7 @@ static int xts_paes_do_crypt_fullkey(struct s390_pxts_ctx *ctx,
rc = -EKEYEXPIRED;
goto out;
}
- rc = pxts_convert_key(ctx);
+ rc = pxts_convert_key(ctx, tested);
if (rc)
goto out;
spin_lock_bh(&ctx->pk_lock);
@@ -1318,7 +1336,8 @@ static inline int __xts_2keys_prep_param(struct s390_pxts_ctx *ctx,
struct xts_km_param *param,
struct skcipher_walk *walk,
unsigned int keylen,
- unsigned int offset, bool maysleep)
+ unsigned int offset,
+ bool tested, bool maysleep)
{
struct xts_pcc_param pcc_param;
unsigned long cc = 1;
@@ -1337,7 +1356,7 @@ static inline int __xts_2keys_prep_param(struct s390_pxts_ctx *ctx,
rc = -EKEYEXPIRED;
break;
}
- rc = pxts_convert_key(ctx);
+ rc = pxts_convert_key(ctx, tested);
if (rc)
break;
continue;
@@ -1351,7 +1370,7 @@ static inline int __xts_2keys_prep_param(struct s390_pxts_ctx *ctx,
static int xts_paes_do_crypt_2keys(struct s390_pxts_ctx *ctx,
struct s390_pxts_req_ctx *req_ctx,
- bool maysleep)
+ bool tested, bool maysleep)
{
struct xts_km_param *param = &req_ctx->param.km_param;
struct skcipher_walk *walk = &req_ctx->walk;
@@ -1369,7 +1388,7 @@ static int xts_paes_do_crypt_2keys(struct s390_pxts_ctx *ctx,
if (!req_ctx->param_init_done) {
rc = __xts_2keys_prep_param(ctx, param, walk,
- keylen, offset, maysleep);
+ keylen, offset, tested, maysleep);
if (rc)
goto out;
req_ctx->param_init_done = true;
@@ -1392,7 +1411,7 @@ static int xts_paes_do_crypt_2keys(struct s390_pxts_ctx *ctx,
rc = -EKEYEXPIRED;
goto out;
}
- rc = pxts_convert_key(ctx);
+ rc = pxts_convert_key(ctx, tested);
if (rc)
goto out;
spin_lock_bh(&ctx->pk_lock);
@@ -1408,7 +1427,7 @@ out:
static int xts_paes_do_crypt(struct s390_pxts_ctx *ctx,
struct s390_pxts_req_ctx *req_ctx,
- bool maysleep)
+ bool tested, bool maysleep)
{
int pk_state, rc = 0;
@@ -1436,11 +1455,11 @@ static int xts_paes_do_crypt(struct s390_pxts_ctx *ctx,
switch (ctx->fc) {
case CPACF_KM_PXTS_128:
case CPACF_KM_PXTS_256:
- rc = xts_paes_do_crypt_2keys(ctx, req_ctx, maysleep);
+ rc = xts_paes_do_crypt_2keys(ctx, req_ctx, tested, maysleep);
break;
case CPACF_KM_PXTS_128_FULL:
case CPACF_KM_PXTS_256_FULL:
- rc = xts_paes_do_crypt_fullkey(ctx, req_ctx, maysleep);
+ rc = xts_paes_do_crypt_fullkey(ctx, req_ctx, tested, maysleep);
break;
default:
rc = -EINVAL;
@@ -1457,6 +1476,7 @@ static inline int xts_paes_crypt(struct skcipher_request *req, unsigned long mod
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_pxts_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/*
@@ -1475,7 +1495,7 @@ static inline int xts_paes_crypt(struct skcipher_request *req, unsigned long mod
/* Try synchronous operation if no active engine usage */
if (!atomic_read(&ctx->via_engine_ctr)) {
- rc = xts_paes_do_crypt(ctx, req_ctx, false);
+ rc = xts_paes_do_crypt(ctx, req_ctx, tested, false);
if (rc == 0)
goto out;
}
@@ -1538,11 +1558,12 @@ static int xts_paes_do_one_request(struct crypto_engine *engine, void *areq)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct s390_pxts_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk *walk = &req_ctx->walk;
+ bool tested = crypto_skcipher_tested(tfm);
int rc;
/* walk has already been prepared */
- rc = xts_paes_do_crypt(ctx, req_ctx, true);
+ rc = xts_paes_do_crypt(ctx, req_ctx, tested, true);
if (rc == -EKEYEXPIRED) {
/*
* Protected key expired, conversion is in process.
diff --git a/arch/s390/crypto/phmac_s390.c b/arch/s390/crypto/phmac_s390.c
index 88342bd4c37a..03ca33ffe6cc 100644
--- a/arch/s390/crypto/phmac_s390.c
+++ b/arch/s390/crypto/phmac_s390.c
@@ -23,6 +23,10 @@
static struct crypto_engine *phmac_crypto_engine;
#define MAX_QLEN 10
+static bool pkey_clrkey_allowed;
+module_param_named(clrkey, pkey_clrkey_allowed, bool, 0444);
+MODULE_PARM_DESC(clrkey, "Allow clear key material (default N)");
+
/*
* A simple hash walk helper
*/
@@ -311,10 +315,14 @@ static inline int phmac_tfm_ctx_setkey(struct phmac_tfm_ctx *tfm_ctx,
* This function may sleep - don't call in non-sleeping context.
*/
static inline int convert_key(const u8 *key, unsigned int keylen,
- struct phmac_protkey *pk)
+ struct phmac_protkey *pk, bool tested)
{
+ u32 xflags = PKEY_XFLAG_NOMEMALLOC;
int rc, i;
+ if (tested && !pkey_clrkey_allowed)
+ xflags |= PKEY_XFLAG_NOCLEARKEY;
+
pk->len = sizeof(pk->protkey);
/*
@@ -328,7 +336,7 @@ static inline int convert_key(const u8 *key, unsigned int keylen,
}
rc = pkey_key2protkey(key, keylen,
pk->protkey, &pk->len, &pk->type,
- PKEY_XFLAG_NOMEMALLOC);
+ xflags);
}
out:
@@ -350,7 +358,7 @@ out:
* unnecessary additional conversion but never to invalid data on the
* hash operation.
*/
-static int phmac_convert_key(struct phmac_tfm_ctx *tfm_ctx)
+static int phmac_convert_key(struct phmac_tfm_ctx *tfm_ctx, bool tested)
{
struct phmac_protkey pk;
int rc;
@@ -359,7 +367,7 @@ static int phmac_convert_key(struct phmac_tfm_ctx *tfm_ctx)
tfm_ctx->pk_state = PK_STATE_CONVERT_IN_PROGRESS;
spin_unlock_bh(&tfm_ctx->pk_lock);
- rc = convert_key(tfm_ctx->keybuf, tfm_ctx->keylen, &pk);
+ rc = convert_key(tfm_ctx->keybuf, tfm_ctx->keylen, &pk, tested);
/* update context */
spin_lock_bh(&tfm_ctx->pk_lock);
@@ -404,6 +412,7 @@ static int phmac_kmac_update(struct ahash_request *req, bool maysleep)
struct kmac_sha2_ctx *ctx = &req_ctx->kmac_ctx;
struct hash_walk_helper *hwh = &req_ctx->hwh;
unsigned int bs = crypto_ahash_blocksize(tfm);
+ bool tested = crypto_ahash_tested(tfm);
unsigned int offset, k, n;
int rc = 0;
@@ -444,7 +453,7 @@ static int phmac_kmac_update(struct ahash_request *req, bool maysleep)
rc = -EKEYEXPIRED;
goto out;
}
- rc = phmac_convert_key(tfm_ctx);
+ rc = phmac_convert_key(tfm_ctx, tested);
if (rc)
goto out;
spin_lock_bh(&tfm_ctx->pk_lock);
@@ -480,7 +489,7 @@ static int phmac_kmac_update(struct ahash_request *req, bool maysleep)
rc = -EKEYEXPIRED;
goto out;
}
- rc = phmac_convert_key(tfm_ctx);
+ rc = phmac_convert_key(tfm_ctx, tested);
if (rc)
goto out;
spin_lock_bh(&tfm_ctx->pk_lock);
@@ -517,6 +526,7 @@ static int phmac_kmac_final(struct ahash_request *req, bool maysleep)
struct kmac_sha2_ctx *ctx = &req_ctx->kmac_ctx;
unsigned int ds = crypto_ahash_digestsize(tfm);
unsigned int bs = crypto_ahash_blocksize(tfm);
+ bool tested = crypto_ahash_tested(tfm);
unsigned int k, n;
int rc = 0;
@@ -537,7 +547,7 @@ static int phmac_kmac_final(struct ahash_request *req, bool maysleep)
rc = -EKEYEXPIRED;
goto out;
}
- rc = phmac_convert_key(tfm_ctx);
+ rc = phmac_convert_key(tfm_ctx, tested);
if (rc)
goto out;
spin_lock_bh(&tfm_ctx->pk_lock);
@@ -741,11 +751,12 @@ static int phmac_setkey(struct crypto_ahash *tfm,
struct phmac_tfm_ctx *tfm_ctx = crypto_ahash_ctx(tfm);
unsigned int ds = crypto_ahash_digestsize(tfm);
unsigned int bs = crypto_ahash_blocksize(tfm);
+ bool tested = crypto_ahash_tested(tfm);
unsigned int tmpkeylen;
u8 *tmpkey = NULL;
int rc = 0;
- if (!crypto_ahash_tested(tfm)) {
+ if (!tested) {
/*
* selftest running: key is a raw hmac clear key and needs
* to get embedded into a 'clear key token' in order to have
@@ -770,7 +781,7 @@ static int phmac_setkey(struct crypto_ahash *tfm,
goto out;
/* convert raw key into protected key */
- rc = phmac_convert_key(tfm_ctx);
+ rc = phmac_convert_key(tfm_ctx, tested);
if (rc)
goto out;
diff --git a/arch/s390/include/asm/pkey.h b/arch/s390/include/asm/pkey.h
index b7b59faf16f4..0af5ac4f646b 100644
--- a/arch/s390/include/asm/pkey.h
+++ b/arch/s390/include/asm/pkey.h
@@ -21,7 +21,8 @@
* @param keylen size of the key blob in bytes
* @param protkey pointer to buffer receiving the protected key
* @param xflags additional execution flags (see PKEY_XFLAG_* definitions below)
- * As of now the only supported flag is PKEY_XFLAG_NOMEMALLOC.
+ * As of now the only supported flags are PKEY_XFLAG_NOMEMALLOC
+ * and PKEY_XFLAG_NOCLEARKEY.
* @return 0 on success, negative errno value on failure
*/
int pkey_key2protkey(const u8 *key, u32 keylen,
@@ -38,4 +39,9 @@ int pkey_key2protkey(const u8 *key, u32 keylen,
*/
#define PKEY_XFLAG_NOMEMALLOC 0x0001
+/*
+ * Do not accept a clear key token as source for a protected key.
+ */
+#define PKEY_XFLAG_NOCLEARKEY 0x0002
+
#endif /* _KAPI_PKEY_H */