-/* $OpenBSD: sm3.c,v 1.8 2024/03/28 08:04:27 jsing Exp $ */
+/* $OpenBSD: sm3.c,v 1.9 2024/03/28 08:13:11 jsing Exp $ */
/*
* Copyright (c) 2018, Ribose Inc
*
#include "md32_common.h"
-int
-HASH_UPDATE(HASH_CTX *c, const void *data_, size_t len)
-{
- const unsigned char *data = data_;
- unsigned char *p;
- HASH_LONG l;
- size_t n;
-
- if (len == 0)
- return 1;
-
- l = (c->Nl + (((HASH_LONG)len) << 3))&0xffffffffUL;
- /* 95-05-24 eay Fixed a bug with the overflow handling, thanks to
- * Wei Dai <weidai@eskimo.com> for pointing it out. */
- if (l < c->Nl) /* overflow */
- c->Nh++;
- c->Nh+=(HASH_LONG)(len>>29); /* might cause compiler warning on 16-bit */
- c->Nl = l;
-
- n = c->num;
- if (n != 0) {
- p = (unsigned char *)c->data;
-
- if (len >= HASH_CBLOCK || len + n >= HASH_CBLOCK) {
- memcpy (p + n, data, HASH_CBLOCK - n);
- HASH_BLOCK_DATA_ORDER (c, p, 1);
- n = HASH_CBLOCK - n;
- data += n;
- len -= n;
- c->num = 0;
- memset (p,0,HASH_CBLOCK); /* keep it zeroed */
- } else {
- memcpy (p + n, data, len);
- c->num += (unsigned int)len;
- return 1;
- }
- }
-
- n = len/HASH_CBLOCK;
- if (n > 0) {
- HASH_BLOCK_DATA_ORDER (c, data, n);
- n *= HASH_CBLOCK;
- data += n;
- len -= n;
- }
-
- if (len != 0) {
- p = (unsigned char *)c->data;
- c->num = (unsigned int)len;
- memcpy (p, data, len);
- }
- return 1;
-}
-
-void HASH_TRANSFORM (HASH_CTX *c, const unsigned char *data)
-{
- HASH_BLOCK_DATA_ORDER (c, data, 1);
-}
-
-int HASH_FINAL (unsigned char *md, HASH_CTX *c)
-{
- unsigned char *p = (unsigned char *)c->data;
- size_t n = c->num;
-
- p[n] = 0x80; /* there is always room for one */
- n++;
-
- if (n > (HASH_CBLOCK - 8)) {
- memset (p + n, 0, HASH_CBLOCK - n);
- n = 0;
- HASH_BLOCK_DATA_ORDER (c, p, 1);
- }
- memset (p + n, 0, HASH_CBLOCK - 8 - n);
-
- p += HASH_CBLOCK - 8;
-#if defined(DATA_ORDER_IS_BIG_ENDIAN)
- HOST_l2c(c->Nh, p);
- HOST_l2c(c->Nl, p);
-#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
- HOST_l2c(c->Nl, p);
- HOST_l2c(c->Nh, p);
-#endif
- p -= HASH_CBLOCK;
- HASH_BLOCK_DATA_ORDER (c, p, 1);
- c->num = 0;
- memset (p, 0, HASH_CBLOCK);
-
-#ifndef HASH_MAKE_STRING
-#error "HASH_MAKE_STRING must be defined!"
-#else
- HASH_MAKE_STRING(c, md);
-#endif
-
- return 1;
-}
-
#define P0(X) (X ^ ROTATE(X, 9) ^ ROTATE(X, 17))
#define P1(X) (X ^ ROTATE(X, 15) ^ ROTATE(X, 23))
#define SM3_G 0xe38dee4dUL
#define SM3_H 0xb0fb0e4eUL
-LCRYPTO_ALIAS(SM3_Update);
-LCRYPTO_ALIAS(SM3_Final);
-
-int
-SM3_Init(SM3_CTX *c)
-{
- memset(c, 0, sizeof(*c));
- c->A = SM3_A;
- c->B = SM3_B;
- c->C = SM3_C;
- c->D = SM3_D;
- c->E = SM3_E;
- c->F = SM3_F;
- c->G = SM3_G;
- c->H = SM3_H;
- return 1;
-}
-LCRYPTO_ALIAS(SM3_Init);
-
void
SM3_block_data_order(SM3_CTX *ctx, const void *p, size_t num)
{
}
}
+int
+SM3_Init(SM3_CTX *c)
+{
+ memset(c, 0, sizeof(*c));
+ c->A = SM3_A;
+ c->B = SM3_B;
+ c->C = SM3_C;
+ c->D = SM3_D;
+ c->E = SM3_E;
+ c->F = SM3_F;
+ c->G = SM3_G;
+ c->H = SM3_H;
+ return 1;
+}
+LCRYPTO_ALIAS(SM3_Init);
+
+int
+HASH_UPDATE(HASH_CTX *c, const void *data_, size_t len)
+{
+ const unsigned char *data = data_;
+ unsigned char *p;
+ HASH_LONG l;
+ size_t n;
+
+ if (len == 0)
+ return 1;
+
+ l = (c->Nl + (((HASH_LONG)len) << 3))&0xffffffffUL;
+ /* 95-05-24 eay Fixed a bug with the overflow handling, thanks to
+ * Wei Dai <weidai@eskimo.com> for pointing it out. */
+ if (l < c->Nl) /* overflow */
+ c->Nh++;
+ c->Nh+=(HASH_LONG)(len>>29); /* might cause compiler warning on 16-bit */
+ c->Nl = l;
+
+ n = c->num;
+ if (n != 0) {
+ p = (unsigned char *)c->data;
+
+ if (len >= HASH_CBLOCK || len + n >= HASH_CBLOCK) {
+ memcpy (p + n, data, HASH_CBLOCK - n);
+ HASH_BLOCK_DATA_ORDER (c, p, 1);
+ n = HASH_CBLOCK - n;
+ data += n;
+ len -= n;
+ c->num = 0;
+ memset (p,0,HASH_CBLOCK); /* keep it zeroed */
+ } else {
+ memcpy (p + n, data, len);
+ c->num += (unsigned int)len;
+ return 1;
+ }
+ }
+
+ n = len/HASH_CBLOCK;
+ if (n > 0) {
+ HASH_BLOCK_DATA_ORDER (c, data, n);
+ n *= HASH_CBLOCK;
+ data += n;
+ len -= n;
+ }
+
+ if (len != 0) {
+ p = (unsigned char *)c->data;
+ c->num = (unsigned int)len;
+ memcpy (p, data, len);
+ }
+ return 1;
+}
+LCRYPTO_ALIAS(SM3_Update);
+
+void HASH_TRANSFORM (HASH_CTX *c, const unsigned char *data)
+{
+ HASH_BLOCK_DATA_ORDER (c, data, 1);
+}
+
+int HASH_FINAL (unsigned char *md, HASH_CTX *c)
+{
+ unsigned char *p = (unsigned char *)c->data;
+ size_t n = c->num;
+
+ p[n] = 0x80; /* there is always room for one */
+ n++;
+
+ if (n > (HASH_CBLOCK - 8)) {
+ memset (p + n, 0, HASH_CBLOCK - n);
+ n = 0;
+ HASH_BLOCK_DATA_ORDER (c, p, 1);
+ }
+ memset (p + n, 0, HASH_CBLOCK - 8 - n);
+
+ p += HASH_CBLOCK - 8;
+#if defined(DATA_ORDER_IS_BIG_ENDIAN)
+ HOST_l2c(c->Nh, p);
+ HOST_l2c(c->Nl, p);
+#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
+ HOST_l2c(c->Nl, p);
+ HOST_l2c(c->Nh, p);
+#endif
+ p -= HASH_CBLOCK;
+ HASH_BLOCK_DATA_ORDER (c, p, 1);
+ c->num = 0;
+ memset (p, 0, HASH_CBLOCK);
+
+#ifndef HASH_MAKE_STRING
+#error "HASH_MAKE_STRING must be defined!"
+#else
+ HASH_MAKE_STRING(c, md);
+#endif
+
+ return 1;
+}
+LCRYPTO_ALIAS(SM3_Final);
+
#endif /* !OPENSSL_NO_SM3 */