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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-11 10:21:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-11 10:21:35 -0800
commit5c947d0dbae8038ec1c8b538891f6475350542ee (patch)
treebd81b14e0cd2212bf885b835d9da39db51a33d43 /include/crypto
parent6f38be8f2ccd9babf04b9b23539108542a59fcb8 (diff)
parent5f21d7d283dd82865bdb0123795b3accf0d42b67 (diff)
downloadlwn-5c947d0dbae8038ec1c8b538891f6475350542ee.tar.gz
lwn-5c947d0dbae8038ec1c8b538891f6475350542ee.zip
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "Algorithms: - Drop alignment requirement for data in aesni - Use synchronous seeding from the /dev/random in DRBG - Reseed nopr DRBGs every 5 minutes from /dev/random - Add KDF algorithms currently used by security/DH - Fix lack of entropy on some AMD CPUs with jitter RNG Drivers: - Add support for the D1 variant in sun8i-ce - Add SEV_INIT_EX support in ccp - PFVF support for GEN4 host driver in qat - Compression support for GEN4 devices in qat - Add cn10k random number generator support" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (145 commits) crypto: af_alg - rewrite NULL pointer check lib/mpi: Add the return value check of kcalloc() crypto: qat - fix definition of ring reset results crypto: hisilicon - cleanup warning in qm_get_qos_value() crypto: kdf - select SHA-256 required for self-test crypto: x86/aesni - don't require alignment of data crypto: ccp - remove unneeded semicolon crypto: stm32/crc32 - Fix kernel BUG triggered in probe() crypto: s390/sha512 - Use macros instead of direct IV numbers crypto: sparc/sha - remove duplicate hash init function crypto: powerpc/sha - remove duplicate hash init function crypto: mips/sha - remove duplicate hash init function crypto: sha256 - remove duplicate generic hash init function crypto: jitter - add oversampling of noise source MAINTAINERS: update SEC2 driver maintainers list crypto: ux500 - Use platform_get_irq() to get the interrupt crypto: hisilicon/qm - disable qm clock-gating crypto: omap-aes - Fix broken pm_runtime_and_get() usage MAINTAINERS: update caam crypto driver maintainers list crypto: octeontx2 - prevent underflow in get_cores_bmap() ...
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/aead.h4
-rw-r--r--include/crypto/algapi.h5
-rw-r--r--include/crypto/blake2b.h1
-rw-r--r--include/crypto/blake2s.h2
-rw-r--r--include/crypto/cryptd.h3
-rw-r--r--include/crypto/drbg.h11
-rw-r--r--include/crypto/engine.h6
-rw-r--r--include/crypto/internal/kdf_selftest.h71
-rw-r--r--include/crypto/kdf_sp800108.h61
-rw-r--r--include/crypto/pcrypt.h2
-rw-r--r--include/crypto/scatterwalk.h3
-rw-r--r--include/crypto/skcipher.h6
12 files changed, 163 insertions, 12 deletions
diff --git a/include/crypto/aead.h b/include/crypto/aead.h
index 5af914c1ab8e..14db3bee0519 100644
--- a/include/crypto/aead.h
+++ b/include/crypto/aead.h
@@ -8,9 +8,10 @@
#ifndef _CRYPTO_AEAD_H
#define _CRYPTO_AEAD_H
+#include <linux/container_of.h>
#include <linux/crypto.h>
-#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/types.h>
/**
* DOC: Authenticated Encryption With Associated Data (AEAD) Cipher API
@@ -73,6 +74,7 @@
*/
struct crypto_aead;
+struct scatterlist;
/**
* struct aead_request - AEAD request
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 5f6841c73e5a..f76ec723ceae 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -7,9 +7,11 @@
#ifndef _CRYPTO_ALGAPI_H
#define _CRYPTO_ALGAPI_H
+#include <linux/align.h>
#include <linux/crypto.h>
+#include <linux/kconfig.h>
#include <linux/list.h>
-#include <linux/kernel.h>
+#include <linux/types.h>
/*
* Maximum values for blocksize and alignmask, used to allocate
@@ -24,6 +26,7 @@
struct crypto_aead;
struct crypto_instance;
struct module;
+struct notifier_block;
struct rtattr;
struct seq_file;
struct sk_buff;
diff --git a/include/crypto/blake2b.h b/include/crypto/blake2b.h
index 18875f16f8ca..0c0176285349 100644
--- a/include/crypto/blake2b.h
+++ b/include/crypto/blake2b.h
@@ -5,7 +5,6 @@
#include <linux/bug.h>
#include <linux/types.h>
-#include <linux/kernel.h>
#include <linux/string.h>
enum blake2b_lengths {
diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h
index bc3fb59442ce..df3c6c2f9553 100644
--- a/include/crypto/blake2s.h
+++ b/include/crypto/blake2s.h
@@ -7,8 +7,8 @@
#define _CRYPTO_BLAKE2S_H
#include <linux/bug.h>
+#include <linux/kconfig.h>
#include <linux/types.h>
-#include <linux/kernel.h>
#include <linux/string.h>
enum blake2s_lengths {
diff --git a/include/crypto/cryptd.h b/include/crypto/cryptd.h
index 23169f4d87e6..796d986e58e1 100644
--- a/include/crypto/cryptd.h
+++ b/include/crypto/cryptd.h
@@ -13,7 +13,8 @@
#ifndef _CRYPTO_CRYPT_H
#define _CRYPTO_CRYPT_H
-#include <linux/kernel.h>
+#include <linux/types.h>
+
#include <crypto/aead.h>
#include <crypto/hash.h>
#include <crypto/skcipher.h>
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index c4165126937e..af5ad51d3eef 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -105,6 +105,12 @@ struct drbg_test_data {
struct drbg_string *testentropy; /* TEST PARAMETER: test entropy */
};
+enum drbg_seed_state {
+ DRBG_SEED_STATE_UNSEEDED,
+ DRBG_SEED_STATE_PARTIAL, /* Seeded with !rng_is_initialized() */
+ DRBG_SEED_STATE_FULL,
+};
+
struct drbg_state {
struct mutex drbg_mutex; /* lock around DRBG */
unsigned char *V; /* internal state 10.1.1.1 1a) */
@@ -127,16 +133,15 @@ struct drbg_state {
struct crypto_wait ctr_wait; /* CTR mode async wait obj */
struct scatterlist sg_in, sg_out; /* CTR mode SGLs */
- bool seeded; /* DRBG fully seeded? */
+ enum drbg_seed_state seeded; /* DRBG fully seeded? */
+ unsigned long last_seed_time;
bool pr; /* Prediction resistance enabled? */
bool fips_primed; /* Continuous test primed? */
unsigned char *prev; /* FIPS 140-2 continuous test value */
- struct work_struct seed_work; /* asynchronous seeding support */
struct crypto_rng *jent;
const struct drbg_state_ops *d_ops;
const struct drbg_core *core;
struct drbg_string test_data;
- struct random_ready_callback random_ready;
};
static inline __u8 drbg_statelen(struct drbg_state *drbg)
diff --git a/include/crypto/engine.h b/include/crypto/engine.h
index fd4f2fa23f51..ae133e98d813 100644
--- a/include/crypto/engine.h
+++ b/include/crypto/engine.h
@@ -9,8 +9,10 @@
#include <linux/crypto.h>
#include <linux/list.h>
-#include <linux/kernel.h>
#include <linux/kthread.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
#include <crypto/algapi.h>
#include <crypto/aead.h>
#include <crypto/akcipher.h>
@@ -18,6 +20,8 @@
#include <crypto/skcipher.h>
#include <crypto/kpp.h>
+struct device;
+
#define ENGINE_NAME_LEN 30
/*
* struct crypto_engine - crypto hardware engine
diff --git a/include/crypto/internal/kdf_selftest.h b/include/crypto/internal/kdf_selftest.h
new file mode 100644
index 000000000000..4d03d2af57b7
--- /dev/null
+++ b/include/crypto/internal/kdf_selftest.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Copyright (C) 2021, Stephan Mueller <smueller@chronox.de>
+ */
+
+#ifndef _CRYPTO_KDF_SELFTEST_H
+#define _CRYPTO_KDF_SELFTEST_H
+
+#include <crypto/hash.h>
+#include <linux/uio.h>
+
+struct kdf_testvec {
+ unsigned char *key;
+ size_t keylen;
+ unsigned char *ikm;
+ size_t ikmlen;
+ struct kvec info;
+ unsigned char *expected;
+ size_t expectedlen;
+};
+
+static inline int
+kdf_test(const struct kdf_testvec *test, const char *name,
+ int (*crypto_kdf_setkey)(struct crypto_shash *kmd,
+ const u8 *key, size_t keylen,
+ const u8 *ikm, size_t ikmlen),
+ int (*crypto_kdf_generate)(struct crypto_shash *kmd,
+ const struct kvec *info,
+ unsigned int info_nvec,
+ u8 *dst, unsigned int dlen))
+{
+ struct crypto_shash *kmd;
+ int ret;
+ u8 *buf = kzalloc(test->expectedlen, GFP_KERNEL);
+
+ if (!buf)
+ return -ENOMEM;
+
+ kmd = crypto_alloc_shash(name, 0, 0);
+ if (IS_ERR(kmd)) {
+ pr_err("alg: kdf: could not allocate hash handle for %s\n",
+ name);
+ kfree(buf);
+ return -ENOMEM;
+ }
+
+ ret = crypto_kdf_setkey(kmd, test->key, test->keylen,
+ test->ikm, test->ikmlen);
+ if (ret) {
+ pr_err("alg: kdf: could not set key derivation key\n");
+ goto err;
+ }
+
+ ret = crypto_kdf_generate(kmd, &test->info, 1, buf, test->expectedlen);
+ if (ret) {
+ pr_err("alg: kdf: could not obtain key data\n");
+ goto err;
+ }
+
+ ret = memcmp(test->expected, buf, test->expectedlen);
+ if (ret)
+ ret = -EINVAL;
+
+err:
+ crypto_free_shash(kmd);
+ kfree(buf);
+ return ret;
+}
+
+#endif /* _CRYPTO_KDF_SELFTEST_H */
diff --git a/include/crypto/kdf_sp800108.h b/include/crypto/kdf_sp800108.h
new file mode 100644
index 000000000000..b7b20a778fb7
--- /dev/null
+++ b/include/crypto/kdf_sp800108.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Copyright (C) 2021, Stephan Mueller <smueller@chronox.de>
+ */
+
+#ifndef _CRYPTO_KDF108_H
+#define _CRYPTO_KDF108_H
+
+#include <crypto/hash.h>
+#include <linux/uio.h>
+
+/**
+ * Counter KDF generate operation according to SP800-108 section 5.1
+ * as well as SP800-56A section 5.8.1 (Single-step KDF).
+ *
+ * @kmd Keyed message digest whose key was set with crypto_kdf108_setkey or
+ * unkeyed message digest
+ * @info optional context and application specific information - this may be
+ * NULL
+ * @info_vec number of optional context/application specific information entries
+ * @dst destination buffer that the caller already allocated
+ * @dlen length of the destination buffer - the KDF derives that amount of
+ * bytes.
+ *
+ * To comply with SP800-108, the caller must provide Label || 0x00 || Context
+ * in the info parameter.
+ *
+ * @return 0 on success, < 0 on error
+ */
+int crypto_kdf108_ctr_generate(struct crypto_shash *kmd,
+ const struct kvec *info, unsigned int info_nvec,
+ u8 *dst, unsigned int dlen);
+
+/**
+ * Counter KDF setkey operation
+ *
+ * @kmd Keyed message digest allocated by the caller. The key should not have
+ * been set.
+ * @key Seed key to be used to initialize the keyed message digest context.
+ * @keylen This length of the key buffer.
+ * @ikm The SP800-108 KDF does not support IKM - this parameter must be NULL
+ * @ikmlen This parameter must be 0.
+ *
+ * According to SP800-108 section 7.2, the seed key must be at least as large as
+ * the message digest size of the used keyed message digest. This limitation
+ * is enforced by the implementation.
+ *
+ * SP800-108 allows the use of either a HMAC or a hash primitive. When
+ * the caller intends to use a hash primitive, the call to
+ * crypto_kdf108_setkey is not required and the key derivation operation can
+ * immediately performed using crypto_kdf108_ctr_generate after allocating
+ * a handle.
+ *
+ * @return 0 on success, < 0 on error
+ */
+int crypto_kdf108_setkey(struct crypto_shash *kmd,
+ const u8 *key, size_t keylen,
+ const u8 *ikm, size_t ikmlen);
+
+#endif /* _CRYPTO_KDF108_H */
diff --git a/include/crypto/pcrypt.h b/include/crypto/pcrypt.h
index b9bc3436196a..234d7cf3cf5e 100644
--- a/include/crypto/pcrypt.h
+++ b/include/crypto/pcrypt.h
@@ -9,8 +9,8 @@
#ifndef _CRYPTO_PCRYPT_H
#define _CRYPTO_PCRYPT_H
+#include <linux/container_of.h>
#include <linux/crypto.h>
-#include <linux/kernel.h>
#include <linux/padata.h>
struct pcrypt_request {
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 7af08174a721..6407b4b61350 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -12,8 +12,9 @@
#define _CRYPTO_SCATTERWALK_H
#include <crypto/algapi.h>
+
#include <linux/highmem.h>
-#include <linux/kernel.h>
+#include <linux/mm.h>
#include <linux/scatterlist.h>
static inline void scatterwalk_crypto_chain(struct scatterlist *head,
diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h
index ef0fc9ed4342..39f5b67c3069 100644
--- a/include/crypto/skcipher.h
+++ b/include/crypto/skcipher.h
@@ -8,9 +8,13 @@
#ifndef _CRYPTO_SKCIPHER_H
#define _CRYPTO_SKCIPHER_H
+#include <linux/container_of.h>
#include <linux/crypto.h>
-#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+struct scatterlist;
/**
* struct skcipher_request - Symmetric key cipher request