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authorGilad Ben-Yossef <gilad@benyossef.com>2017-08-21 13:51:28 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2017-09-22 17:43:07 +0800
commit4f0fc1600edbdb3612b931aa5076ca984f7ee8fe (patch)
treef143c15e9e318822891695b3e30a97bc1a2a85b6 /include/crypto/sm3.h
parent1c9fa294fe80f85c069c64d12b2429cf99a62937 (diff)
crypto: sm3 - add OSCCA SM3 secure hash
Add OSCCA SM3 secure hash (OSCCA GM/T 0004-2012 SM3) generic hash transformation. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/sm3.h')
-rw-r--r--include/crypto/sm3.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/crypto/sm3.h b/include/crypto/sm3.h
new file mode 100644
index 000000000000..1438942dc773
--- /dev/null
+++ b/include/crypto/sm3.h
@@ -0,0 +1,40 @@
+/*
+ * Common values for SM3 algorithm
+ */
+
+#ifndef _CRYPTO_SM3_H
+#define _CRYPTO_SM3_H
+
+#include <linux/types.h>
+
+#define SM3_DIGEST_SIZE 32
+#define SM3_BLOCK_SIZE 64
+
+#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];
+};
+
+struct shash_desc;
+
+extern int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len);
+
+extern int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *hash);
+#endif