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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-30 21:27:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-30 21:27:13 -0700
commit5d95ff84e62be914b4a4dabfa814e4096b05b1b0 (patch)
treef2d79d562971025b29deab50bb06e3b865f185b3 /include/crypto
parentd85a143b69abb4d7544227e26d12c4c7735ab27d (diff)
parent486bfb05913ac9969a3a71a4dc48f17f31cb162d (diff)
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Merge tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add linear akcipher/sig API - Add tfm cloning (hmac, cmac) - Add statesize to crypto_ahash Algorithms: - Allow only odd e and restrict value in FIPS mode for RSA - Replace LFSR with SHA3-256 in jitter - Add interface for gathering of raw entropy in jitter Drivers: - Fix race on data_avail and actual data in hwrng/virtio - Add hash and HMAC support in starfive - Add RSA algo support in starfive - Add support for PCI device 0x156E in ccp" * tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (85 commits) crypto: akcipher - Do not copy dst if it is NULL crypto: sig - Fix verify call crypto: akcipher - Set request tfm on sync path crypto: sm2 - Provide sm2_compute_z_digest when sm2 is disabled hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS hwrng: st - keep clock enabled while hwrng is registered hwrng: st - support compile-testing hwrng: imx-rngc - fix the timeout for init and self check KEYS: asymmetric: Use new crypto interface without scatterlists KEYS: asymmetric: Move sm2 code into x509_public_key KEYS: Add forward declaration in asymmetric-parser.h crypto: sig - Add interface for sign/verify crypto: akcipher - Add sync interface without SG lists crypto: cipher - On clone do crypto_mod_get() crypto: api - Add __crypto_alloc_tfmgfp crypto: api - Remove crypto_init_ops() crypto: rsa - allow only odd e and restrict value in FIPS mode crypto: geniv - Split geniv out of AEAD Kconfig option crypto: algboss - Add missing dependency on RNG2 crypto: starfive - Add RSA algo support ...
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/akcipher.h36
-rw-r--r--include/crypto/algapi.h1
-rw-r--r--include/crypto/engine.h2
-rw-r--r--include/crypto/hash.h3
-rw-r--r--include/crypto/internal/cipher.h2
-rw-r--r--include/crypto/internal/hash.h12
-rw-r--r--include/crypto/internal/sig.h17
-rw-r--r--include/crypto/public_key.h2
-rw-r--r--include/crypto/sha2.h2
-rw-r--r--include/crypto/sha256_base.h50
-rw-r--r--include/crypto/sig.h140
-rw-r--r--include/crypto/sm2.h21
12 files changed, 259 insertions, 29 deletions
diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h
index f35fd653e4e5..670508f1dca1 100644
--- a/include/crypto/akcipher.h
+++ b/include/crypto/akcipher.h
@@ -374,6 +374,42 @@ static inline int crypto_akcipher_decrypt(struct akcipher_request *req)
}
/**
+ * crypto_akcipher_sync_encrypt() - Invoke public key encrypt operation
+ *
+ * Function invokes the specific public key encrypt operation for a given
+ * public key algorithm
+ *
+ * @tfm: AKCIPHER tfm handle allocated with crypto_alloc_akcipher()
+ * @src: source buffer
+ * @slen: source length
+ * @dst: destinatino obuffer
+ * @dlen: destination length
+ *
+ * Return: zero on success; error code in case of error
+ */
+int crypto_akcipher_sync_encrypt(struct crypto_akcipher *tfm,
+ const void *src, unsigned int slen,
+ void *dst, unsigned int dlen);
+
+/**
+ * crypto_akcipher_sync_decrypt() - Invoke public key decrypt operation
+ *
+ * Function invokes the specific public key decrypt operation for a given
+ * public key algorithm
+ *
+ * @tfm: AKCIPHER tfm handle allocated with crypto_alloc_akcipher()
+ * @src: source buffer
+ * @slen: source length
+ * @dst: destinatino obuffer
+ * @dlen: destination length
+ *
+ * Return: Output length on success; error code in case of error
+ */
+int crypto_akcipher_sync_decrypt(struct crypto_akcipher *tfm,
+ const void *src, unsigned int slen,
+ void *dst, unsigned int dlen);
+
+/**
* crypto_akcipher_sign() - Invoke public key sign operation
*
* Function invokes the specific public key sign operation for a given
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 016d5a302b84..6156161b181f 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -56,7 +56,6 @@ struct sk_buff;
struct crypto_type {
unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
unsigned int (*extsize)(struct crypto_alg *alg);
- int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
int (*init_tfm)(struct crypto_tfm *tfm);
void (*show)(struct seq_file *m, struct crypto_alg *alg);
int (*report)(struct sk_buff *skb, struct crypto_alg *alg);
diff --git a/include/crypto/engine.h b/include/crypto/engine.h
index ae133e98d813..2038764b30c2 100644
--- a/include/crypto/engine.h
+++ b/include/crypto/engine.h
@@ -78,7 +78,7 @@ struct crypto_engine {
/*
* struct crypto_engine_op - crypto hardware engine operations
- * @prepare__request: do some prepare if need before handle the current request
+ * @prepare_request: do some preparation if needed before handling the current request
* @unprepare_request: undo any work done by prepare_request()
* @do_one_request: do encryption for current request
*/
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index e69542d86a2b..f7c2a22cd776 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -260,6 +260,7 @@ struct crypto_ahash {
int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen);
+ unsigned int statesize;
unsigned int reqsize;
struct crypto_tfm base;
};
@@ -400,7 +401,7 @@ static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
*/
static inline unsigned int crypto_ahash_statesize(struct crypto_ahash *tfm)
{
- return crypto_hash_alg_common(tfm)->statesize;
+ return tfm->statesize;
}
static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)
diff --git a/include/crypto/internal/cipher.h b/include/crypto/internal/cipher.h
index a9174ba90250..5030f6d2df31 100644
--- a/include/crypto/internal/cipher.h
+++ b/include/crypto/internal/cipher.h
@@ -176,6 +176,8 @@ void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
u8 *dst, const u8 *src);
+struct crypto_cipher *crypto_clone_cipher(struct crypto_cipher *cipher);
+
struct crypto_cipher_spawn {
struct crypto_spawn base;
};
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 37edf3f4e8af..cf65676e45f4 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -149,6 +149,18 @@ static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
halg);
}
+static inline struct ahash_alg *crypto_ahash_alg(struct crypto_ahash *hash)
+{
+ return container_of(crypto_hash_alg_common(hash), struct ahash_alg,
+ halg);
+}
+
+static inline void crypto_ahash_set_statesize(struct crypto_ahash *tfm,
+ unsigned int size)
+{
+ tfm->statesize = size;
+}
+
static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
unsigned int reqsize)
{
diff --git a/include/crypto/internal/sig.h b/include/crypto/internal/sig.h
new file mode 100644
index 000000000000..97cb26ef8115
--- /dev/null
+++ b/include/crypto/internal/sig.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Public Key Signature Algorithm
+ *
+ * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au>
+ */
+#ifndef _CRYPTO_INTERNAL_SIG_H
+#define _CRYPTO_INTERNAL_SIG_H
+
+#include <crypto/algapi.h>
+#include <crypto/sig.h>
+
+static inline void *crypto_sig_ctx(struct crypto_sig *tfm)
+{
+ return crypto_tfm_ctx(&tfm->base);
+}
+#endif
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index 653992a6e941..8fadd561c50e 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -48,8 +48,6 @@ struct public_key_signature {
const char *pkey_algo;
const char *hash_algo;
const char *encoding;
- const void *data;
- unsigned int data_size;
};
extern void public_key_signature_free(struct public_key_signature *sig);
diff --git a/include/crypto/sha2.h b/include/crypto/sha2.h
index 2838f529f31e..b9e9281d76c9 100644
--- a/include/crypto/sha2.h
+++ b/include/crypto/sha2.h
@@ -128,7 +128,7 @@ static inline void sha224_init(struct sha256_state *sctx)
sctx->state[7] = SHA224_H7;
sctx->count = 0;
}
-void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
+/* Simply use sha256_update as it is equivalent to sha224_update. */
void sha224_final(struct sha256_state *sctx, u8 *out);
#endif /* _CRYPTO_SHA2_H */
diff --git a/include/crypto/sha256_base.h b/include/crypto/sha256_base.h
index 76173c613058..ab904d82236f 100644
--- a/include/crypto/sha256_base.h
+++ b/include/crypto/sha256_base.h
@@ -8,13 +8,12 @@
#ifndef _CRYPTO_SHA256_BASE_H
#define _CRYPTO_SHA256_BASE_H
+#include <asm/byteorder.h>
+#include <asm/unaligned.h>
#include <crypto/internal/hash.h>
#include <crypto/sha2.h>
-#include <linux/crypto.h>
-#include <linux/module.h>
#include <linux/string.h>
-
-#include <asm/unaligned.h>
+#include <linux/types.h>
typedef void (sha256_block_fn)(struct sha256_state *sst, u8 const *src,
int blocks);
@@ -35,12 +34,11 @@ static inline int sha256_base_init(struct shash_desc *desc)
return 0;
}
-static inline int sha256_base_do_update(struct shash_desc *desc,
- const u8 *data,
- unsigned int len,
- sha256_block_fn *block_fn)
+static inline int lib_sha256_base_do_update(struct sha256_state *sctx,
+ const u8 *data,
+ unsigned int len,
+ sha256_block_fn *block_fn)
{
- struct sha256_state *sctx = shash_desc_ctx(desc);
unsigned int partial = sctx->count % SHA256_BLOCK_SIZE;
sctx->count += len;
@@ -73,11 +71,20 @@ static inline int sha256_base_do_update(struct shash_desc *desc,
return 0;
}
-static inline int sha256_base_do_finalize(struct shash_desc *desc,
- sha256_block_fn *block_fn)
+static inline int sha256_base_do_update(struct shash_desc *desc,
+ const u8 *data,
+ unsigned int len,
+ sha256_block_fn *block_fn)
{
- const int bit_offset = SHA256_BLOCK_SIZE - sizeof(__be64);
struct sha256_state *sctx = shash_desc_ctx(desc);
+
+ return lib_sha256_base_do_update(sctx, data, len, block_fn);
+}
+
+static inline int lib_sha256_base_do_finalize(struct sha256_state *sctx,
+ sha256_block_fn *block_fn)
+{
+ const int bit_offset = SHA256_BLOCK_SIZE - sizeof(__be64);
__be64 *bits = (__be64 *)(sctx->buf + bit_offset);
unsigned int partial = sctx->count % SHA256_BLOCK_SIZE;
@@ -96,10 +103,17 @@ static inline int sha256_base_do_finalize(struct shash_desc *desc,
return 0;
}
-static inline int sha256_base_finish(struct shash_desc *desc, u8 *out)
+static inline int sha256_base_do_finalize(struct shash_desc *desc,
+ sha256_block_fn *block_fn)
{
- unsigned int digest_size = crypto_shash_digestsize(desc->tfm);
struct sha256_state *sctx = shash_desc_ctx(desc);
+
+ return lib_sha256_base_do_finalize(sctx, block_fn);
+}
+
+static inline int lib_sha256_base_finish(struct sha256_state *sctx, u8 *out,
+ unsigned int digest_size)
+{
__be32 *digest = (__be32 *)out;
int i;
@@ -110,4 +124,12 @@ static inline int sha256_base_finish(struct shash_desc *desc, u8 *out)
return 0;
}
+static inline int sha256_base_finish(struct shash_desc *desc, u8 *out)
+{
+ unsigned int digest_size = crypto_shash_digestsize(desc->tfm);
+ struct sha256_state *sctx = shash_desc_ctx(desc);
+
+ return lib_sha256_base_finish(sctx, out, digest_size);
+}
+
#endif /* _CRYPTO_SHA256_BASE_H */
diff --git a/include/crypto/sig.h b/include/crypto/sig.h
new file mode 100644
index 000000000000..641b4714c448
--- /dev/null
+++ b/include/crypto/sig.h
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Public Key Signature Algorithm
+ *
+ * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au>
+ */
+#ifndef _CRYPTO_SIG_H
+#define _CRYPTO_SIG_H
+
+#include <linux/crypto.h>
+
+/**
+ * struct crypto_sig - user-instantiated objects which encapsulate
+ * algorithms and core processing logic
+ *
+ * @base: Common crypto API algorithm data structure
+ */
+struct crypto_sig {
+ struct crypto_tfm base;
+};
+
+/**
+ * DOC: Generic Public Key Signature API
+ *
+ * The Public Key Signature API is used with the algorithms of type
+ * CRYPTO_ALG_TYPE_SIG (listed as type "sig" in /proc/crypto)
+ */
+
+/**
+ * crypto_alloc_sig() - allocate signature tfm handle
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ * signing algorithm e.g. "ecdsa"
+ * @type: specifies the type of the algorithm
+ * @mask: specifies the mask for the algorithm
+ *
+ * Allocate a handle for public key signature algorithm. The returned struct
+ * crypto_sig is the handle that is required for any subsequent
+ * API invocation for signature operations.
+ *
+ * Return: allocated handle in case of success; IS_ERR() is true in case
+ * of an error, PTR_ERR() returns the error code.
+ */
+struct crypto_sig *crypto_alloc_sig(const char *alg_name, u32 type, u32 mask);
+
+static inline struct crypto_tfm *crypto_sig_tfm(struct crypto_sig *tfm)
+{
+ return &tfm->base;
+}
+
+/**
+ * crypto_free_sig() - free signature tfm handle
+ *
+ * @tfm: signature tfm handle allocated with crypto_alloc_sig()
+ *
+ * If @tfm is a NULL or error pointer, this function does nothing.
+ */
+static inline void crypto_free_sig(struct crypto_sig *tfm)
+{
+ crypto_destroy_tfm(tfm, crypto_sig_tfm(tfm));
+}
+
+/**
+ * crypto_sig_maxsize() - Get len for output buffer
+ *
+ * Function returns the dest buffer size required for a given key.
+ * Function assumes that the key is already set in the transformation. If this
+ * function is called without a setkey or with a failed setkey, you will end up
+ * in a NULL dereference.
+ *
+ * @tfm: signature tfm handle allocated with crypto_alloc_sig()
+ */
+int crypto_sig_maxsize(struct crypto_sig *tfm);
+
+/**
+ * crypto_sig_sign() - Invoke signing operation
+ *
+ * Function invokes the specific signing operation for a given algorithm
+ *
+ * @tfm: signature tfm handle allocated with crypto_alloc_sig()
+ * @src: source buffer
+ * @slen: source length
+ * @dst: destinatino obuffer
+ * @dlen: destination length
+ *
+ * Return: zero on success; error code in case of error
+ */
+int crypto_sig_sign(struct crypto_sig *tfm,
+ const void *src, unsigned int slen,
+ void *dst, unsigned int dlen);
+
+/**
+ * crypto_sig_verify() - Invoke signature verification
+ *
+ * Function invokes the specific signature verification operation
+ * for a given algorithm.
+ *
+ * @tfm: signature tfm handle allocated with crypto_alloc_sig()
+ * @src: source buffer
+ * @slen: source length
+ * @digest: digest
+ * @dlen: digest length
+ *
+ * Return: zero on verification success; error code in case of error.
+ */
+int crypto_sig_verify(struct crypto_sig *tfm,
+ const void *src, unsigned int slen,
+ const void *digest, unsigned int dlen);
+
+/**
+ * crypto_sig_set_pubkey() - Invoke set public key operation
+ *
+ * Function invokes the algorithm specific set key function, which knows
+ * how to decode and interpret the encoded key and parameters
+ *
+ * @tfm: tfm handle
+ * @key: BER encoded public key, algo OID, paramlen, BER encoded
+ * parameters
+ * @keylen: length of the key (not including other data)
+ *
+ * Return: zero on success; error code in case of error
+ */
+int crypto_sig_set_pubkey(struct crypto_sig *tfm,
+ const void *key, unsigned int keylen);
+
+/**
+ * crypto_sig_set_privkey() - Invoke set private key operation
+ *
+ * Function invokes the algorithm specific set key function, which knows
+ * how to decode and interpret the encoded key and parameters
+ *
+ * @tfm: tfm handle
+ * @key: BER encoded private key, algo OID, paramlen, BER encoded
+ * parameters
+ * @keylen: length of the key (not including other data)
+ *
+ * Return: zero on success; error code in case of error
+ */
+int crypto_sig_set_privkey(struct crypto_sig *tfm,
+ const void *key, unsigned int keylen);
+#endif
diff --git a/include/crypto/sm2.h b/include/crypto/sm2.h
index af452556dcd4..04a92c1013c8 100644
--- a/include/crypto/sm2.h
+++ b/include/crypto/sm2.h
@@ -11,15 +11,18 @@
#ifndef _CRYPTO_SM2_H
#define _CRYPTO_SM2_H
-#include <crypto/sm3.h>
-#include <crypto/akcipher.h>
+struct shash_desc;
-/* The default user id as specified in GM/T 0009-2012 */
-#define SM2_DEFAULT_USERID "1234567812345678"
-#define SM2_DEFAULT_USERID_LEN 16
-
-extern int sm2_compute_z_digest(struct crypto_akcipher *tfm,
- const unsigned char *id, size_t id_len,
- unsigned char dgst[SM3_DIGEST_SIZE]);
+#if IS_REACHABLE(CONFIG_CRYPTO_SM2)
+int sm2_compute_z_digest(struct shash_desc *desc,
+ const void *key, unsigned int keylen, void *dgst);
+#else
+static inline int sm2_compute_z_digest(struct shash_desc *desc,
+ const void *key, unsigned int keylen,
+ void *dgst)
+{
+ return -ENOTSUPP;
+}
+#endif
#endif /* _CRYPTO_SM2_H */