[PULL,2/4] crypto: Introduce SM3 hash hmac pbkdf algorithm

diff --git a/crypto/hash-gcrypt.c b/crypto/hash-gcrypt.c
index 73533a4949..f04a9f553c 100644
--- a/crypto/hash-gcrypt.c
+++ b/crypto/hash-gcrypt.c
@@ -34,6 +34,9 @@  static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALGO__MAX] = {
     [QCRYPTO_HASH_ALGO_SHA384] = GCRY_MD_SHA384,
     [QCRYPTO_HASH_ALGO_SHA512] = GCRY_MD_SHA512,
     [QCRYPTO_HASH_ALGO_RIPEMD160] = GCRY_MD_RMD160,
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = GCRY_MD_SM3,
+#endif
 };
 
 gboolean qcrypto_hash_supports(QCryptoHashAlgo alg)
diff --git a/crypto/hash-nettle.c b/crypto/hash-nettle.c
index c78624b347..53f68301ef 100644
--- a/crypto/hash-nettle.c
+++ b/crypto/hash-nettle.c
@@ -26,6 +26,9 @@ 
 #include <nettle/md5.h>
 #include <nettle/sha.h>
 #include <nettle/ripemd160.h>
+#ifdef CONFIG_CRYPTO_SM3
+#include <nettle/sm3.h>
+#endif
 
 typedef void (*qcrypto_nettle_init)(void *ctx);
 typedef void (*qcrypto_nettle_write)(void *ctx,
@@ -43,6 +46,9 @@  union qcrypto_hash_ctx {
     struct sha384_ctx sha384;
     struct sha512_ctx sha512;
     struct ripemd160_ctx ripemd160;
+#ifdef CONFIG_CRYPTO_SM3
+    struct sm3_ctx sm3;
+#endif
 };
 
 struct qcrypto_hash_alg {
@@ -93,6 +99,14 @@  struct qcrypto_hash_alg {
         .result = (qcrypto_nettle_result)ripemd160_digest,
         .len = RIPEMD160_DIGEST_SIZE,
     },
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = {
+        .init = (qcrypto_nettle_init)sm3_init,
+        .write = (qcrypto_nettle_write)sm3_update,
+        .result = (qcrypto_nettle_result)sm3_digest,
+        .len = SM3_DIGEST_SIZE,
+    },
+#endif
 };
 
 gboolean qcrypto_hash_supports(QCryptoHashAlgo alg)
diff --git a/crypto/hash.c b/crypto/hash.c
index 0c8548c568..7513769e42 100644
--- a/crypto/hash.c
+++ b/crypto/hash.c
@@ -33,6 +33,9 @@  static size_t qcrypto_hash_alg_size[QCRYPTO_HASH_ALGO__MAX] = {
     [QCRYPTO_HASH_ALGO_SHA384]    = QCRYPTO_HASH_DIGEST_LEN_SHA384,
     [QCRYPTO_HASH_ALGO_SHA512]    = QCRYPTO_HASH_DIGEST_LEN_SHA512,
     [QCRYPTO_HASH_ALGO_RIPEMD160] = QCRYPTO_HASH_DIGEST_LEN_RIPEMD160,
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = QCRYPTO_HASH_DIGEST_LEN_SM3,
+#endif
 };
 
 size_t qcrypto_hash_digest_len(QCryptoHashAlgo alg)
diff --git a/crypto/hmac-gcrypt.c b/crypto/hmac-gcrypt.c
index 19990cb6ed..090fe01c1e 100644
--- a/crypto/hmac-gcrypt.c
+++ b/crypto/hmac-gcrypt.c
@@ -26,6 +26,9 @@  static int qcrypto_hmac_alg_map[QCRYPTO_HASH_ALGO__MAX] = {
     [QCRYPTO_HASH_ALGO_SHA384] = GCRY_MAC_HMAC_SHA384,
     [QCRYPTO_HASH_ALGO_SHA512] = GCRY_MAC_HMAC_SHA512,
     [QCRYPTO_HASH_ALGO_RIPEMD160] = GCRY_MAC_HMAC_RMD160,
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = GCRY_MAC_HMAC_SM3,
+#endif
 };
 
 typedef struct QCryptoHmacGcrypt QCryptoHmacGcrypt;
diff --git a/crypto/hmac-nettle.c b/crypto/hmac-nettle.c
index 54dd75d5ff..dd5b2ab7a1 100644
--- a/crypto/hmac-nettle.c
+++ b/crypto/hmac-nettle.c
@@ -38,6 +38,9 @@  struct QCryptoHmacNettle {
         struct hmac_sha256_ctx sha256_ctx; /* equals hmac_sha224_ctx */
         struct hmac_sha512_ctx sha512_ctx; /* equals hmac_sha384_ctx */
         struct hmac_ripemd160_ctx ripemd160_ctx;
+#ifdef CONFIG_CRYPTO_SM3
+ struct hmac_sm3_ctx ctx;
+#endif
     } u;
 };
 
@@ -89,6 +92,14 @@  struct qcrypto_nettle_hmac_alg {
         .digest = (qcrypto_nettle_hmac_digest)hmac_ripemd160_digest,
         .len = RIPEMD160_DIGEST_SIZE,
     },
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_sm3_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_sm3_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_sm3_digest,
+        .len = SM3_DIGEST_SIZE,
+    },
+#endif
 };
 
 bool qcrypto_hmac_supports(QCryptoHashAlgo alg)
diff --git a/crypto/pbkdf-gcrypt.c b/crypto/pbkdf-gcrypt.c
index 76bbb55f7a..e89b8b1c76 100644
--- a/crypto/pbkdf-gcrypt.c
+++ b/crypto/pbkdf-gcrypt.c
@@ -33,6 +33,9 @@  bool qcrypto_pbkdf2_supports(QCryptoHashAlgo hash)
     case QCRYPTO_HASH_ALGO_SHA384:
     case QCRYPTO_HASH_ALGO_SHA512:
     case QCRYPTO_HASH_ALGO_RIPEMD160:
+#ifdef CONFIG_CRYPTO_SM3
+    case QCRYPTO_HASH_ALGO_SM3:
+#endif
         return qcrypto_hash_supports(hash);
     default:
         return false;
@@ -54,6 +57,9 @@  int qcrypto_pbkdf2(QCryptoHashAlgo hash,
         [QCRYPTO_HASH_ALGO_SHA384] = GCRY_MD_SHA384,
         [QCRYPTO_HASH_ALGO_SHA512] = GCRY_MD_SHA512,
         [QCRYPTO_HASH_ALGO_RIPEMD160] = GCRY_MD_RMD160,
+#ifdef CONFIG_CRYPTO_SM3
+        [QCRYPTO_HASH_ALGO_SM3] = GCRY_MD_SM3,
+#endif
     };
     int ret;
 
diff --git a/crypto/pbkdf-nettle.c b/crypto/pbkdf-nettle.c
index 93e686c2c6..3ef9c1b52c 100644
--- a/crypto/pbkdf-nettle.c
+++ b/crypto/pbkdf-nettle.c
@@ -34,6 +34,9 @@  bool qcrypto_pbkdf2_supports(QCryptoHashAlgo hash)
     case QCRYPTO_HASH_ALGO_SHA384:
     case QCRYPTO_HASH_ALGO_SHA512:
     case QCRYPTO_HASH_ALGO_RIPEMD160:
+#ifdef CONFIG_CRYPTO_SM3
+    case QCRYPTO_HASH_ALGO_SM3:
+#endif
         return true;
     default:
         return false;
@@ -55,6 +58,9 @@  int qcrypto_pbkdf2(QCryptoHashAlgo hash,
         struct hmac_sha384_ctx sha384;
         struct hmac_sha512_ctx sha512;
         struct hmac_ripemd160_ctx ripemd160;
+#ifdef CONFIG_CRYPTO_SM3
+        struct hmac_sm3_ctx sm3;
+#endif
     } ctx;
 
     if (iterations > UINT_MAX) {
@@ -106,6 +112,13 @@  int qcrypto_pbkdf2(QCryptoHashAlgo hash,
         PBKDF2(&ctx.ripemd160, hmac_ripemd160_update, hmac_ripemd160_digest,
                RIPEMD160_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
         break;
+#ifdef CONFIG_CRYPTO_SM3
+    case QCRYPTO_HASH_ALGO_SM3:
+        hmac_sm3_set_key(&ctx.sm3, nkey, key);
+        PBKDF2(&ctx.sm3, hmac_sm3_update, hmac_sm3_digest,
+               SM3_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
+        break;
+#endif
 
     default:
         error_setg_errno(errp, ENOSYS,
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 712cac79ee..1868d4a0f7 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -31,6 +31,7 @@ 
 #define QCRYPTO_HASH_DIGEST_LEN_SHA384    48
 #define QCRYPTO_HASH_DIGEST_LEN_SHA512    64
 #define QCRYPTO_HASH_DIGEST_LEN_RIPEMD160 20
+#define QCRYPTO_HASH_DIGEST_LEN_SM3       32
 
 /* See also "QCryptoHashAlgo" defined in qapi/crypto.json */
 
diff --git a/meson.build b/meson.build
index c386593c52..6a078f927c 100644
--- a/meson.build
+++ b/meson.build
@@ -1760,6 +1760,7 @@  gcrypt = not_found
 nettle = not_found
 hogweed = not_found
 crypto_sm4 = not_found
+crypto_sm3 = not_found
 xts = 'none'
 
 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
@@ -1795,6 +1796,17 @@  if not gnutls_crypto.found()
       }''', dependencies: gcrypt)
       crypto_sm4 = not_found
     endif
+    crypto_sm3 = gcrypt
+    # SM3 ALG is available in libgcrypt >= 1.9
+    if gcrypt.found() and not cc.links('''
+      #include <gcrypt.h>
+      int main(void) {
+        gcry_md_hd_t handler;
+        gcry_md_open(&handler, GCRY_MD_SM3, 0);
+        return 0;
+      }''', dependencies: gcrypt)
+      crypto_sm3 = not_found
+    endif
   endif
   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
     nettle = dependency('nettle', version: '>=3.4',
@@ -1815,6 +1827,31 @@  if not gnutls_crypto.found()
       }''', dependencies: nettle)
       crypto_sm4 = not_found
     endif
+    crypto_sm3 = nettle
+    # SM3 ALG is available in nettle >= 3.8
+    if nettle.found() and not cc.links('''
+      #include <nettle/sm3.h>
+      #include <nettle/hmac.h>
+      int main(void) {
+      struct sm3_ctx ctx;
+      struct hmac_sm3_ctx hmac_ctx;
+      unsigned char data[64] = {0};
+      unsigned char output[32];
+
+      // SM3 hash function test
+      sm3_init(&ctx);
+      sm3_update(&ctx, 64, data);
+      sm3_digest(&ctx, 32, data);
+
+      // HMAC-SM3 test
+      hmac_sm3_set_key(&hmac_ctx, 32, data);
+      hmac_sm3_update(&hmac_ctx, 64, data);
+      hmac_sm3_digest(&hmac_ctx, 32, output);
+
+      return 0;
+      }''', dependencies: nettle)
+      crypto_sm3 = not_found
+    endif
   endif
 endif
 
@@ -2462,6 +2499,7 @@  config_host_data.set('CONFIG_TASN1', tasn1.found())
 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
 config_host_data.set('CONFIG_NETTLE', nettle.found())
 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
+config_host_data.set('CONFIG_CRYPTO_SM3', crypto_sm3.found())
 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
@@ -4590,6 +4628,7 @@  if nettle.found()
    summary_info += {'  XTS':             xts != 'private'}
 endif
 summary_info += {'SM4 ALG support':   crypto_sm4}
+summary_info += {'SM3 ALG support':   crypto_sm3}
 summary_info += {'AF_ALG support':    have_afalg}
 summary_info += {'rng-none':          get_option('rng_none')}
 summary_info += {'Linux keyring':     have_keyring}
diff --git a/qapi/crypto.json b/qapi/crypto.json
index 7c30df9e31..c9d967d782 100644
--- a/qapi/crypto.json
+++ b/qapi/crypto.json
@@ -55,11 +55,12 @@ 
 # @sha512: SHA-512.  (since 2.7)
 #
 # @ripemd160: RIPEMD-160.  (since 2.7)
+# @sm3: SM3. (since 9.2.0)
 #
 # Since: 2.6
 ##
 { 'enum': 'QCryptoHashAlgo',
-  'data': ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'ripemd160']}
+  'data': ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'ripemd160', 'sm3']}
 
 ##
 # @QCryptoCipherAlgo:
diff --git a/tests/unit/test-crypto-hash.c b/tests/unit/test-crypto-hash.c
index 76c4699c15..8fee1593f9 100644
--- a/tests/unit/test-crypto-hash.c
+++ b/tests/unit/test-crypto-hash.c
@@ -43,6 +43,9 @@ 
                       "63b54e4cb2d2032b393994aa263c0dbb" \
                       "e00a9f2fe9ef6037352232a1eec55ee7"
 #define OUTPUT_RIPEMD160 "f3d658fad3fdfb2b52c9369cf0d441249ddfa8a0"
+#ifdef CONFIG_CRYPTO_SM3
+#define OUTPUT_SM3 "d4a97db105b477b84c4f20ec9c31a6c814e2705a0b83a5a89748d75f0ef456a1"
+#endif
 
 #define OUTPUT_MD5_B64 "Yo0gY3FWMDWrjvYvSSveyQ=="
 #define OUTPUT_SHA1_B64 "sudPJnWKOkIeUJzuBFJEt4dTzAI="
@@ -55,6 +58,10 @@ 
                           "7sVe5w=="
 #define OUTPUT_RIPEMD160_B64 "89ZY+tP9+ytSyTac8NRBJJ3fqKA="
 
+#ifdef CONFIG_CRYPTO_SM3
+#define OUTPUT_SM3_B64 "1Kl9sQW0d7hMTyDsnDGmyBTicFoLg6Wol0jXXw70VqE="
+#endif
+
 static const char *expected_outputs[] = {
     [QCRYPTO_HASH_ALGO_MD5] = OUTPUT_MD5,
     [QCRYPTO_HASH_ALGO_SHA1] = OUTPUT_SHA1,
@@ -63,6 +70,9 @@  static const char *expected_outputs[] = {
     [QCRYPTO_HASH_ALGO_SHA384] = OUTPUT_SHA384,
     [QCRYPTO_HASH_ALGO_SHA512] = OUTPUT_SHA512,
     [QCRYPTO_HASH_ALGO_RIPEMD160] = OUTPUT_RIPEMD160,
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = OUTPUT_SM3,
+#endif
 };
 static const char *expected_outputs_b64[] = {
     [QCRYPTO_HASH_ALGO_MD5] = OUTPUT_MD5_B64,
@@ -72,6 +82,9 @@  static const char *expected_outputs_b64[] = {
     [QCRYPTO_HASH_ALGO_SHA384] = OUTPUT_SHA384_B64,
     [QCRYPTO_HASH_ALGO_SHA512] = OUTPUT_SHA512_B64,
     [QCRYPTO_HASH_ALGO_RIPEMD160] = OUTPUT_RIPEMD160_B64,
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = OUTPUT_SM3_B64,
+#endif
 };
 static const int expected_lens[] = {
     [QCRYPTO_HASH_ALGO_MD5] = 16,
@@ -81,6 +94,9 @@  static const int expected_lens[] = {
     [QCRYPTO_HASH_ALGO_SHA384] = 48,
     [QCRYPTO_HASH_ALGO_SHA512] = 64,
     [QCRYPTO_HASH_ALGO_RIPEMD160] = 20,
+#ifdef CONFIG_CRYPTO_SM3
+    [QCRYPTO_HASH_ALGO_SM3] = 32,
+#endif
 };
 
 static const char hex[] = "0123456789abcdef";
diff --git a/tests/unit/test-crypto-hmac.c b/tests/unit/test-crypto-hmac.c
index cdb8774443..20c60eb9d8 100644
--- a/tests/unit/test-crypto-hmac.c
+++ b/tests/unit/test-crypto-hmac.c
@@ -76,6 +76,14 @@  static QCryptoHmacTestData test_data[] = {
             "94964ed4c1155b62b668c241d67279e5"
             "8a711676",
     },
+#ifdef CONFIG_CRYPTO_SM3
+    {
+        .alg = QCRYPTO_HASH_ALGO_SM3,
+        .hex_digest =
+            "760e3799332bc913819b930085360ddb"
+    "c05529261313d5b15b75bab4fd7ae91e",
+    },
+#endif
 };
 
 static const char hex[] = "0123456789abcdef";
diff --git a/tests/unit/test-crypto-pbkdf.c b/tests/unit/test-crypto-pbkdf.c
index 12ee808fbc..ddb7244e21 100644
--- a/tests/unit/test-crypto-pbkdf.c
+++ b/tests/unit/test-crypto-pbkdf.c
@@ -325,6 +325,22 @@  static QCryptoPbkdfTestData test_data[] = {
                "\xce\xbf\x91\x14\x8b\x5c\x48\x41",
         .nout = 32
     },
+#ifdef CONFIG_CRYPTO_SM3
+    {
+        .path = "/crypto/pbkdf/nonrfc/sm3/iter2",
+        .hash = QCRYPTO_HASH_ALGO_SM3,
+        .iterations = 2,
+        .key = "password",
+        .nkey = 8,
+        .salt = "ATHENA.MIT.EDUraeburn",
+        .nsalt = 21,
+        .out = "\x48\x71\x1b\x58\xa3\xcb\xce\x06"
+ "\xba\xad\x77\xa8\xb5\xb9\xd8\x07"
+ "\x6a\xe2\xb3\x5b\x95\xce\xc8\xce"
+ "\xe7\xb1\xcb\xee\x61\xdf\x04\xea",
+        .nout = 32
+    },
+#endif
 #if 0
     {
         .path = "/crypto/pbkdf/nonrfc/whirlpool/iter1200",