1 files changed, 0 insertions, 63 deletions
diff --git a/crypto/asymmetric_keys/public_key_sm2.c b/crypto/asymmetric_keys/public_key_sm2.c
deleted file mode 100644
index 66b614e1eccd..000000000000
--- a/crypto/asymmetric_keys/public_key_sm2.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * asymmetric public-key algorithm for SM2-with-SM3 certificate
- * as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012 SM2 and
- * described at https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02
- *
- * Copyright (c) 2020, Alibaba Group.
- * Authors: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
- */
-
-#include <crypto/sm3_base.h>
-#include <crypto/sm2.h>
-#include <crypto/public_key.h>
-
-#if IS_REACHABLE(CONFIG_CRYPTO_SM2)
-
-int cert_sig_digest_update(const struct public_key_signature *sig,
-				struct crypto_akcipher *tfm_pkey)
-{
-	struct crypto_shash *tfm;
-	struct shash_desc *desc;
-	size_t desc_size;
-	unsigned char dgst[SM3_DIGEST_SIZE];
-	int ret;
-
-	BUG_ON(!sig->data);
-
-	ret = sm2_compute_z_digest(tfm_pkey, SM2_DEFAULT_USERID,
-					SM2_DEFAULT_USERID_LEN, dgst);
-	if (ret)
-		return ret;
-
-	tfm = crypto_alloc_shash(sig->hash_algo, 0, 0);
-	if (IS_ERR(tfm))
-		return PTR_ERR(tfm);
-
-	desc_size = crypto_shash_descsize(tfm) + sizeof(*desc);
-	desc = kzalloc(desc_size, GFP_KERNEL);
-	if (!desc) {
-		ret = -ENOMEM;
-		goto error_free_tfm;
-	}
-
-	desc->tfm = tfm;
-
-	ret = crypto_shash_init(desc);
-	if (ret < 0)
-		goto error_free_desc;
-
-	ret = crypto_shash_update(desc, dgst, SM3_DIGEST_SIZE);
-	if (ret < 0)
-		goto error_free_desc;
-
-	ret = crypto_shash_finup(desc, sig->data, sig->data_size, sig->digest);
-
-error_free_desc:
-	kfree(desc);
-error_free_tfm:
-	crypto_free_shash(tfm);
-	return ret;
-}
-
-#endif /* ! IS_REACHABLE(CONFIG_CRYPTO_SM2) */