[PATCH 02/12] crypto: sm3 - Remove sm3_zero_message_hash and SM3_T[1-2]

Eric Biggers ebiggers at kernel.org
Fri Mar 20 21:09:25 PDT 2026


Remove these, since they are unused.

Signed-off-by: Eric Biggers <ebiggers at kernel.org>
---
 crypto/sm3_generic.c | 8 --------
 include/crypto/sm3.h | 5 -----
 2 files changed, 13 deletions(-)

diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c
index 7529139fcc96..0c606f526347 100644
--- a/crypto/sm3_generic.c
+++ b/crypto/sm3_generic.c
@@ -12,18 +12,10 @@
 #include <crypto/sm3.h>
 #include <crypto/sm3_base.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 
-const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE] = {
-	0x1A, 0xB2, 0x1D, 0x83, 0x55, 0xCF, 0xA1, 0x7F,
-	0x8e, 0x61, 0x19, 0x48, 0x31, 0xE8, 0x1A, 0x8F,
-	0x22, 0xBE, 0xC8, 0xC7, 0x28, 0xFE, 0xFB, 0x74,
-	0x7E, 0xD0, 0x35, 0xEB, 0x50, 0x82, 0xAA, 0x2B
-};
-EXPORT_SYMBOL_GPL(sm3_zero_message_hash);
-
 static int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
 			  unsigned int len)
 {
 	return sm3_base_do_update_blocks(desc, data, len, sm3_block_generic);
 }
diff --git a/include/crypto/sm3.h b/include/crypto/sm3.h
index c09f6bf4c0bf..918d318795ef 100644
--- a/include/crypto/sm3.h
+++ b/include/crypto/sm3.h
@@ -14,24 +14,19 @@
 
 #define SM3_DIGEST_SIZE	32
 #define SM3_BLOCK_SIZE	64
 #define SM3_STATE_SIZE	40
 
-#define SM3_T1		0x79CC4519
-#define SM3_T2		0x7A879D8A
-
 #define SM3_IVA		0x7380166f
 #define SM3_IVB		0x4914b2b9
 #define SM3_IVC		0x172442d7
 #define SM3_IVD		0xda8a0600
 #define SM3_IVE		0xa96f30bc
 #define SM3_IVF		0x163138aa
 #define SM3_IVG		0xe38dee4d
 #define SM3_IVH		0xb0fb0e4e
 
-extern const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE];
-
 struct sm3_state {
 	u32 state[SM3_DIGEST_SIZE / 4];
 	u64 count;
 	u8 buffer[SM3_BLOCK_SIZE];
 };
-- 
2.53.0




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