Merge qcrypto 2016/12/21 v2

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Merge remote-tracking branch 'remotes/berrange/tags/pull-qcrypto-2016-12-21-2' into staging

Merge qcrypto 2016/12/21 v2

# gpg: Signature made Thu 22 Dec 2016 10:46:17 GMT
# gpg:                using RSA key 0xBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/pull-qcrypto-2016-12-21-2:
  crypto: add HMAC algorithms testcases
  crypto: support HMAC algorithms based on nettle
  crypto: support HMAC algorithms based on glib
  crypto: support HMAC algorithms based on libgcrypt
  crypto: add HMAC algorithms framework
  configure: add CONFIG_GCRYPT_HMAC item
  crypto: add 3des-ede support when using libgcrypt/nettle
  cipher: fix leak on initialization error

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

configure

@@ -313,6 +313,7 @@ gnutls_rnd=""
 nettle=""
 nettle_kdf="no"
 gcrypt=""
+gcrypt_hmac="no"
 gcrypt_kdf="no"
 vte=""
 virglrenderer=""
@@ -2417,6 +2418,19 @@ EOF
         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
             gcrypt_kdf=yes
         fi
+
+        cat > $TMPC << EOF
+#include <gcrypt.h>
+int main(void) {
+  gcry_mac_hd_t handle;
+  gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
+                GCRY_MAC_FLAG_SECURE, NULL);
+  return 0;
+}
+EOF
+        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
+            gcrypt_hmac=yes
+        fi
     else
         if test "$gcrypt" = "yes"; then
             feature_not_found "gcrypt" "Install gcrypt devel"
@@ -5387,6 +5401,9 @@ if test "$gnutls_rnd" = "yes" ; then
 fi
 if test "$gcrypt" = "yes" ; then
   echo "CONFIG_GCRYPT=y" >> $config_host_mak
+  if test "$gcrypt_hmac" = "yes" ; then
+    echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
+  fi
   if test "$gcrypt_kdf" = "yes" ; then
     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
   fi

crypto/Makefile.objs

@@ -3,6 +3,10 @@ crypto-obj-y += hash.o
 crypto-obj-$(CONFIG_NETTLE) += hash-nettle.o
 crypto-obj-$(if $(CONFIG_NETTLE),n,$(CONFIG_GCRYPT)) += hash-gcrypt.o
 crypto-obj-$(if $(CONFIG_NETTLE),n,$(if $(CONFIG_GCRYPT),n,y)) += hash-glib.o
+crypto-obj-y += hmac.o
+crypto-obj-$(CONFIG_NETTLE) += hmac-nettle.o
+crypto-obj-$(CONFIG_GCRYPT_HMAC) += hmac-gcrypt.o
+crypto-obj-$(if $(CONFIG_NETTLE),n,$(if $(CONFIG_GCRYPT_HMAC),n,y)) += hmac-glib.o
 crypto-obj-y += aes.o
 crypto-obj-y += desrfb.o
 crypto-obj-y += cipher.o

crypto/cipher-gcrypt.c

@@ -29,6 +29,7 @@ bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg,
 {
     switch (alg) {
     case QCRYPTO_CIPHER_ALG_DES_RFB:
+    case QCRYPTO_CIPHER_ALG_3DES:
     case QCRYPTO_CIPHER_ALG_AES_128:
     case QCRYPTO_CIPHER_ALG_AES_192:
     case QCRYPTO_CIPHER_ALG_AES_256:
@@ -99,6 +100,10 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
         gcryalg = GCRY_CIPHER_DES;
         break;
 
+    case QCRYPTO_CIPHER_ALG_3DES:
+        gcryalg = GCRY_CIPHER_3DES;
+        break;
+
     case QCRYPTO_CIPHER_ALG_AES_128:
         gcryalg = GCRY_CIPHER_AES128;
         break;
@@ -200,6 +205,7 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
         case QCRYPTO_CIPHER_ALG_TWOFISH_256:
             ctx->blocksize = 16;
             break;
+        case QCRYPTO_CIPHER_ALG_3DES:
         case QCRYPTO_CIPHER_ALG_CAST5_128:
             ctx->blocksize = 8;
             break;

crypto/cipher-nettle.c

@@ -78,6 +78,18 @@ static void des_decrypt_native(cipher_ctx_t ctx, cipher_length_t length,
     des_decrypt(ctx, length, dst, src);
 }
 
+static void des3_encrypt_native(cipher_ctx_t ctx, cipher_length_t length,
+                                uint8_t *dst, const uint8_t *src)
+{
+    des3_encrypt(ctx, length, dst, src);
+}
+
+static void des3_decrypt_native(cipher_ctx_t ctx, cipher_length_t length,
+                                uint8_t *dst, const uint8_t *src)
+{
+    des3_decrypt(ctx, length, dst, src);
+}
+
 static void cast128_encrypt_native(cipher_ctx_t ctx, cipher_length_t length,
                                    uint8_t *dst, const uint8_t *src)
 {
@@ -140,6 +152,18 @@ static void des_decrypt_wrapper(const void *ctx, size_t length,
     des_decrypt(ctx, length, dst, src);
 }
 
+static void des3_encrypt_wrapper(const void *ctx, size_t length,
+                                uint8_t *dst, const uint8_t *src)
+{
+    des3_encrypt(ctx, length, dst, src);
+}
+
+static void des3_decrypt_wrapper(const void *ctx, size_t length,
+                                uint8_t *dst, const uint8_t *src)
+{
+    des3_decrypt(ctx, length, dst, src);
+}
+
 static void cast128_encrypt_wrapper(const void *ctx, size_t length,
                                     uint8_t *dst, const uint8_t *src)
 {
@@ -197,6 +221,7 @@ bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg,
 {
     switch (alg) {
     case QCRYPTO_CIPHER_ALG_DES_RFB:
+    case QCRYPTO_CIPHER_ALG_3DES:
     case QCRYPTO_CIPHER_ALG_AES_128:
     case QCRYPTO_CIPHER_ALG_AES_192:
     case QCRYPTO_CIPHER_ALG_AES_256:
@@ -254,6 +279,7 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
     cipher->mode = mode;
 
     ctx = g_new0(QCryptoCipherNettle, 1);
+    cipher->opaque = ctx;
 
     switch (alg) {
     case QCRYPTO_CIPHER_ALG_DES_RFB:
@@ -270,6 +296,18 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
         ctx->blocksize = DES_BLOCK_SIZE;
         break;
 
+    case QCRYPTO_CIPHER_ALG_3DES:
+        ctx->ctx = g_new0(struct des3_ctx, 1);
+        des3_set_key(ctx->ctx, key);
+
+        ctx->alg_encrypt_native = des3_encrypt_native;
+        ctx->alg_decrypt_native = des3_decrypt_native;
+        ctx->alg_encrypt_wrapper = des3_encrypt_wrapper;
+        ctx->alg_decrypt_wrapper = des3_decrypt_wrapper;
+
+        ctx->blocksize = DES3_BLOCK_SIZE;
+        break;
+
     case QCRYPTO_CIPHER_ALG_AES_128:
     case QCRYPTO_CIPHER_ALG_AES_192:
     case QCRYPTO_CIPHER_ALG_AES_256:
@@ -384,13 +422,11 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
     }
 
     ctx->iv = g_new0(uint8_t, ctx->blocksize);
-    cipher->opaque = ctx;
 
     return cipher;
 
  error:
-    g_free(cipher);
+    qcrypto_cipher_free(cipher);
-    g_free(ctx);
     return NULL;
 }
 

crypto/cipher.c

@@ -28,6 +28,7 @@ static size_t alg_key_len[QCRYPTO_CIPHER_ALG__MAX] = {
     [QCRYPTO_CIPHER_ALG_AES_192] = 24,
     [QCRYPTO_CIPHER_ALG_AES_256] = 32,
     [QCRYPTO_CIPHER_ALG_DES_RFB] = 8,
+    [QCRYPTO_CIPHER_ALG_3DES] = 24,
     [QCRYPTO_CIPHER_ALG_CAST5_128] = 16,
     [QCRYPTO_CIPHER_ALG_SERPENT_128] = 16,
     [QCRYPTO_CIPHER_ALG_SERPENT_192] = 24,
@@ -42,6 +43,7 @@ static size_t alg_block_len[QCRYPTO_CIPHER_ALG__MAX] = {
     [QCRYPTO_CIPHER_ALG_AES_192] = 16,
     [QCRYPTO_CIPHER_ALG_AES_256] = 16,
     [QCRYPTO_CIPHER_ALG_DES_RFB] = 8,
+    [QCRYPTO_CIPHER_ALG_3DES] = 8,
     [QCRYPTO_CIPHER_ALG_CAST5_128] = 8,
     [QCRYPTO_CIPHER_ALG_SERPENT_128] = 16,
     [QCRYPTO_CIPHER_ALG_SERPENT_192] = 16,
@@ -107,8 +109,9 @@ qcrypto_cipher_validate_key_length(QCryptoCipherAlgorithm alg,
     }
 
     if (mode == QCRYPTO_CIPHER_MODE_XTS) {
-        if (alg == QCRYPTO_CIPHER_ALG_DES_RFB) {
+        if (alg == QCRYPTO_CIPHER_ALG_DES_RFB
-            error_setg(errp, "XTS mode not compatible with DES-RFB");
+                || alg == QCRYPTO_CIPHER_ALG_3DES) {
+            error_setg(errp, "XTS mode not compatible with DES-RFB/3DES");
             return false;
         }
         if (nkey % 2) {

crypto/hmac-gcrypt.c

@@ -0,0 +1,152 @@
+/*
+ * QEMU Crypto hmac algorithms (based on libgcrypt)
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ *    Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "crypto/hmac.h"
+#include <gcrypt.h>
+
+static int qcrypto_hmac_alg_map[QCRYPTO_HASH_ALG__MAX] = {
+    [QCRYPTO_HASH_ALG_MD5] = GCRY_MAC_HMAC_MD5,
+    [QCRYPTO_HASH_ALG_SHA1] = GCRY_MAC_HMAC_SHA1,
+    [QCRYPTO_HASH_ALG_SHA224] = GCRY_MAC_HMAC_SHA224,
+    [QCRYPTO_HASH_ALG_SHA256] = GCRY_MAC_HMAC_SHA256,
+    [QCRYPTO_HASH_ALG_SHA384] = GCRY_MAC_HMAC_SHA384,
+    [QCRYPTO_HASH_ALG_SHA512] = GCRY_MAC_HMAC_SHA512,
+    [QCRYPTO_HASH_ALG_RIPEMD160] = GCRY_MAC_HMAC_RMD160,
+};
+
+typedef struct QCryptoHmacGcrypt QCryptoHmacGcrypt;
+struct QCryptoHmacGcrypt {
+    gcry_mac_hd_t handle;
+};
+
+bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
+{
+    if (alg < G_N_ELEMENTS(qcrypto_hmac_alg_map) &&
+        qcrypto_hmac_alg_map[alg] != GCRY_MAC_NONE) {
+        return true;
+    }
+
+    return false;
+}
+
+QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
+                              const uint8_t *key, size_t nkey,
+                              Error **errp)
+{
+    QCryptoHmac *hmac;
+    QCryptoHmacGcrypt *ctx;
+    gcry_error_t err;
+
+    if (!qcrypto_hmac_supports(alg)) {
+        error_setg(errp, "Unsupported hmac algorithm %s",
+                   QCryptoHashAlgorithm_lookup[alg]);
+        return NULL;
+    }
+
+    hmac = g_new0(QCryptoHmac, 1);
+    hmac->alg = alg;
+
+    ctx = g_new0(QCryptoHmacGcrypt, 1);
+
+    err = gcry_mac_open(&ctx->handle, qcrypto_hmac_alg_map[alg],
+                        GCRY_MAC_FLAG_SECURE, NULL);
+    if (err != 0) {
+        error_setg(errp, "Cannot initialize hmac: %s",
+                   gcry_strerror(err));
+        goto error;
+    }
+
+    err = gcry_mac_setkey(ctx->handle, (const void *)key, nkey);
+    if (err != 0) {
+        error_setg(errp, "Cannot set key: %s",
+                   gcry_strerror(err));
+        goto error;
+    }
+
+    hmac->opaque = ctx;
+    return hmac;
+
+error:
+    g_free(ctx);
+    g_free(hmac);
+    return NULL;
+}
+
+void qcrypto_hmac_free(QCryptoHmac *hmac)
+{
+    QCryptoHmacGcrypt *ctx;
+
+    if (!hmac) {
+        return;
+    }
+
+    ctx = hmac->opaque;
+    gcry_mac_close(ctx->handle);
+
+    g_free(ctx);
+    g_free(hmac);
+}
+
+int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
+                        const struct iovec *iov,
+                        size_t niov,
+                        uint8_t **result,
+                        size_t *resultlen,
+                        Error **errp)
+{
+    QCryptoHmacGcrypt *ctx;
+    gcry_error_t err;
+    uint32_t ret;
+    int i;
+
+    ctx = hmac->opaque;
+
+    for (i = 0; i < niov; i++) {
+        gcry_mac_write(ctx->handle, iov[i].iov_base, iov[i].iov_len);
+    }
+
+    ret = gcry_mac_get_algo_maclen(qcrypto_hmac_alg_map[hmac->alg]);
+    if (ret <= 0) {
+        error_setg(errp, "Unable to get hmac length: %s",
+                   gcry_strerror(ret));
+        return -1;
+    }
+
+    if (*resultlen == 0) {
+        *resultlen = ret;
+        *result = g_new0(uint8_t, *resultlen);
+    } else if (*resultlen != ret) {
+        error_setg(errp, "Result buffer size %zu is smaller than hmac %d",
+                   *resultlen, ret);
+        return -1;
+    }
+
+    err = gcry_mac_read(ctx->handle, *result, resultlen);
+    if (err != 0) {
+        error_setg(errp, "Cannot get result: %s",
+                   gcry_strerror(err));
+        return -1;
+    }
+
+    err = gcry_mac_reset(ctx->handle);
+    if (err != 0) {
+        error_setg(errp, "Cannot reset hmac context: %s",
+                   gcry_strerror(err));
+        return -1;
+    }
+
+    return 0;
+}

crypto/hmac-glib.c

@@ -0,0 +1,166 @@
+/*
+ * QEMU Crypto hmac algorithms (based on glib)
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ *    Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "crypto/hmac.h"
+
+/* Support for HMAC Algos has been added in GLib 2.30 */
+#if GLIB_CHECK_VERSION(2, 30, 0)
+
+static int qcrypto_hmac_alg_map[QCRYPTO_HASH_ALG__MAX] = {
+    [QCRYPTO_HASH_ALG_MD5] = G_CHECKSUM_MD5,
+    [QCRYPTO_HASH_ALG_SHA1] = G_CHECKSUM_SHA1,
+    [QCRYPTO_HASH_ALG_SHA256] = G_CHECKSUM_SHA256,
+/* Support for HMAC SHA-512 in GLib 2.42 */
+#if GLIB_CHECK_VERSION(2, 42, 0)
+    [QCRYPTO_HASH_ALG_SHA512] = G_CHECKSUM_SHA512,
+#else
+    [QCRYPTO_HASH_ALG_SHA512] = -1,
+#endif
+    [QCRYPTO_HASH_ALG_SHA224] = -1,
+    [QCRYPTO_HASH_ALG_SHA384] = -1,
+    [QCRYPTO_HASH_ALG_RIPEMD160] = -1,
+};
+
+typedef struct QCryptoHmacGlib QCryptoHmacGlib;
+struct QCryptoHmacGlib {
+    GHmac *ghmac;
+};
+
+bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
+{
+    if (alg < G_N_ELEMENTS(qcrypto_hmac_alg_map) &&
+        qcrypto_hmac_alg_map[alg] != -1) {
+        return true;
+    }
+
+    return false;
+}
+
+QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
+                              const uint8_t *key, size_t nkey,
+                              Error **errp)
+{
+    QCryptoHmac *hmac;
+    QCryptoHmacGlib *ctx;
+
+    if (!qcrypto_hmac_supports(alg)) {
+        error_setg(errp, "Unsupported hmac algorithm %s",
+                   QCryptoHashAlgorithm_lookup[alg]);
+        return NULL;
+    }
+
+    hmac = g_new0(QCryptoHmac, 1);
+    hmac->alg = alg;
+
+    ctx = g_new0(QCryptoHmacGlib, 1);
+
+    ctx->ghmac = g_hmac_new(qcrypto_hmac_alg_map[alg],
+                            (const uint8_t *)key, nkey);
+    if (!ctx->ghmac) {
+        error_setg(errp, "Cannot initialize hmac and set key");
+        goto error;
+    }
+
+    hmac->opaque = ctx;
+    return hmac;
+
+error:
+    g_free(ctx);
+    g_free(hmac);
+    return NULL;
+}
+
+void qcrypto_hmac_free(QCryptoHmac *hmac)
+{
+    QCryptoHmacGlib *ctx;
+
+    if (!hmac) {
+        return;
+    }
+
+    ctx = hmac->opaque;
+    g_hmac_unref(ctx->ghmac);
+
+    g_free(ctx);
+    g_free(hmac);
+}
+
+int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
+                        const struct iovec *iov,
+                        size_t niov,
+                        uint8_t **result,
+                        size_t *resultlen,
+                        Error **errp)
+{
+    QCryptoHmacGlib *ctx;
+    int i, ret;
+
+    ctx = hmac->opaque;
+
+    for (i = 0; i < niov; i++) {
+        g_hmac_update(ctx->ghmac, iov[i].iov_base, iov[i].iov_len);
+    }
+
+    ret = g_checksum_type_get_length(qcrypto_hmac_alg_map[hmac->alg]);
+    if (ret < 0) {
+        error_setg(errp, "Unable to get hmac length");
+        return -1;
+    }
+
+    if (*resultlen == 0) {
+        *resultlen = ret;
+        *result = g_new0(uint8_t, *resultlen);
+    } else if (*resultlen != ret) {
+        error_setg(errp, "Result buffer size %zu is smaller than hmac %d",
+                   *resultlen, ret);
+        return -1;
+    }
+
+    g_hmac_get_digest(ctx->ghmac, *result, resultlen);
+
+    return 0;
+}
+
+#else
+
+bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
+{
+    return false;
+}
+
+QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
+                              const uint8_t *key, size_t nkey,
+                              Error **errp)
+{
+    return NULL;
+}
+
+void qcrypto_hmac_free(QCryptoHmac *hmac)
+{
+    return;
+}
+
+int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
+                        const struct iovec *iov,
+                        size_t niov,
+                        uint8_t **result,
+                        size_t *resultlen,
+                        Error **errp)
+{
+    return -1;
+}
+
+#endif

crypto/hmac-nettle.c

@@ -0,0 +1,175 @@
+/*
+ * QEMU Crypto hmac algorithms (based on nettle)
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ *    Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "crypto/hmac.h"
+#include <nettle/hmac.h>
+
+typedef void (*qcrypto_nettle_hmac_setkey)(void *ctx,
+              size_t key_length, const uint8_t *key);
+
+typedef void (*qcrypto_nettle_hmac_update)(void *ctx,
+              size_t length, const uint8_t *data);
+
+typedef void (*qcrypto_nettle_hmac_digest)(void *ctx,
+              size_t length, uint8_t *digest);
+
+typedef struct QCryptoHmacNettle QCryptoHmacNettle;
+struct QCryptoHmacNettle {
+    union qcrypto_nettle_hmac_ctx {
+        struct hmac_md5_ctx md5_ctx;
+        struct hmac_sha1_ctx sha1_ctx;
+        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;
+    } u;
+};
+
+struct qcrypto_nettle_hmac_alg {
+    qcrypto_nettle_hmac_setkey setkey;
+    qcrypto_nettle_hmac_update update;
+    qcrypto_nettle_hmac_digest digest;
+    size_t len;
+} qcrypto_hmac_alg_map[QCRYPTO_HASH_ALG__MAX] = {
+    [QCRYPTO_HASH_ALG_MD5] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_md5_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_md5_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_md5_digest,
+        .len = MD5_DIGEST_SIZE,
+    },
+    [QCRYPTO_HASH_ALG_SHA1] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_sha1_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_sha1_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_sha1_digest,
+        .len = SHA1_DIGEST_SIZE,
+    },
+    [QCRYPTO_HASH_ALG_SHA224] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_sha224_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_sha224_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_sha224_digest,
+        .len = SHA224_DIGEST_SIZE,
+    },
+    [QCRYPTO_HASH_ALG_SHA256] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_sha256_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_sha256_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_sha256_digest,
+        .len = SHA256_DIGEST_SIZE,
+    },
+    [QCRYPTO_HASH_ALG_SHA384] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_sha384_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_sha384_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_sha384_digest,
+        .len = SHA384_DIGEST_SIZE,
+    },
+    [QCRYPTO_HASH_ALG_SHA512] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_sha512_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_sha512_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_sha512_digest,
+        .len = SHA512_DIGEST_SIZE,
+    },
+    [QCRYPTO_HASH_ALG_RIPEMD160] = {
+        .setkey = (qcrypto_nettle_hmac_setkey)hmac_ripemd160_set_key,
+        .update = (qcrypto_nettle_hmac_update)hmac_ripemd160_update,
+        .digest = (qcrypto_nettle_hmac_digest)hmac_ripemd160_digest,
+        .len = RIPEMD160_DIGEST_SIZE,
+    },
+};
+
+bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg)
+{
+    if (alg < G_N_ELEMENTS(qcrypto_hmac_alg_map) &&
+        qcrypto_hmac_alg_map[alg].setkey != NULL) {
+        return true;
+    }
+
+    return false;
+}
+
+QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
+                              const uint8_t *key, size_t nkey,
+                              Error **errp)
+{
+    QCryptoHmac *hmac;
+    QCryptoHmacNettle *ctx;
+
+    if (!qcrypto_hmac_supports(alg)) {
+        error_setg(errp, "Unsupported hmac algorithm %s",
+                   QCryptoHashAlgorithm_lookup[alg]);
+        return NULL;
+    }
+
+    hmac = g_new0(QCryptoHmac, 1);
+    hmac->alg = alg;
+
+    ctx = g_new0(QCryptoHmacNettle, 1);
+
+    qcrypto_hmac_alg_map[alg].setkey(&ctx->u, nkey, key);
+
+    hmac->opaque = ctx;
+
+    return hmac;
+}
+
+void qcrypto_hmac_free(QCryptoHmac *hmac)
+{
+    QCryptoHmacNettle *ctx;
+
+    if (!hmac) {
+        return;
+    }
+
+    ctx = hmac->opaque;
+
+    g_free(ctx);
+    g_free(hmac);
+}
+
+int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
+                        const struct iovec *iov,
+                        size_t niov,
+                        uint8_t **result,
+                        size_t *resultlen,
+                        Error **errp)
+{
+    QCryptoHmacNettle *ctx;
+    int i;
+
+    ctx = (QCryptoHmacNettle *)hmac->opaque;
+
+    for (i = 0; i < niov; ++i) {
+        size_t len = iov[i].iov_len;
+        uint8_t *base = iov[i].iov_base;
+        while (len) {
+            size_t shortlen = MIN(len, UINT_MAX);
+            qcrypto_hmac_alg_map[hmac->alg].update(&ctx->u, len, base);
+            len -= shortlen;
+            base += len;
+        }
+    }
+
+    if (*resultlen == 0) {
+        *resultlen = qcrypto_hmac_alg_map[hmac->alg].len;
+        *result = g_new0(uint8_t, *resultlen);
+    } else if (*resultlen != qcrypto_hmac_alg_map[hmac->alg].len) {
+        error_setg(errp,
+                   "Result buffer size %zu is smaller than hash %zu",
+                   *resultlen, qcrypto_hmac_alg_map[hmac->alg].len);
+        return -1;
+    }
+
+    qcrypto_hmac_alg_map[hmac->alg].digest(&ctx->u, *resultlen, *result);
+
+    return 0;
+}

crypto/hmac.c

@@ -0,0 +1,72 @@
+/*
+ * QEMU Crypto hmac algorithms
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "crypto/hmac.h"
+
+static const char hex[] = "0123456789abcdef";
+
+int qcrypto_hmac_bytes(QCryptoHmac *hmac,
+                       const char *buf,
+                       size_t len,
+                       uint8_t **result,
+                       size_t *resultlen,
+                       Error **errp)
+{
+    struct iovec iov = {
+            .iov_base = (char *)buf,
+            .iov_len = len
+    };
+
+    return qcrypto_hmac_bytesv(hmac, &iov, 1, result, resultlen, errp);
+}
+
+int qcrypto_hmac_digestv(QCryptoHmac *hmac,
+                         const struct iovec *iov,
+                         size_t niov,
+                         char **digest,
+                         Error **errp)
+{
+    uint8_t *result = NULL;
+    size_t resultlen = 0;
+    size_t i;
+
+    if (qcrypto_hmac_bytesv(hmac, iov, niov, &result, &resultlen, errp) < 0) {
+        return -1;
+    }
+
+    *digest = g_new0(char, (resultlen * 2) + 1);
+
+    for (i = 0 ; i < resultlen ; i++) {
+        (*digest)[(i * 2)] = hex[(result[i] >> 4) & 0xf];
+        (*digest)[(i * 2) + 1] = hex[result[i] & 0xf];
+    }
+
+    (*digest)[resultlen * 2] = '\0';
+
+    g_free(result);
+    return 0;
+}
+
+int qcrypto_hmac_digest(QCryptoHmac *hmac,
+                        const char *buf,
+                        size_t len,
+                        char **digest,
+                        Error **errp)
+{
+    struct iovec iov = {
+            .iov_base = (char *)buf,
+            .iov_len = len
+    };
+
+    return qcrypto_hmac_digestv(hmac, &iov, 1, digest, errp);
+}

crypto/hmac.h

@@ -0,0 +1,166 @@
+/*
+ * QEMU Crypto hmac algorithms
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#ifndef QCRYPTO_HMAC_H
+#define QCRYPTO_HMAC_H
+
+#include "qapi-types.h"
+
+typedef struct QCryptoHmac QCryptoHmac;
+struct QCryptoHmac {
+    QCryptoHashAlgorithm alg;
+    void *opaque;
+};
+
+/**
+ * qcrypto_hmac_supports:
+ * @alg: the hmac algorithm
+ *
+ * Determine if @alg hmac algorithm is supported by
+ * the current configured build
+ *
+ * Returns:
+ *  true if the algorithm is supported, false otherwise
+ */
+bool qcrypto_hmac_supports(QCryptoHashAlgorithm alg);
+
+/**
+ * qcrypto_hmac_new:
+ * @alg: the hmac algorithm
+ * @key: the key bytes
+ * @nkey: the length of @key
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Creates a new hmac object with the algorithm @alg
+ *
+ * The @key parameter provides the bytes representing
+ * the secret key to use. The @nkey parameter specifies
+ * the length of @key in bytes
+ *
+ * Note: must use qcrypto_hmac_free() to release the
+ * returned hmac object when no longer required
+ *
+ * Returns:
+ *  a new hmac object, or NULL on error
+ */
+QCryptoHmac *qcrypto_hmac_new(QCryptoHashAlgorithm alg,
+                              const uint8_t *key, size_t nkey,
+                              Error **errp);
+
+/**
+ * qcrypto_hmac_free:
+ * @hmac: the hmac object
+ *
+ * Release the memory associated with @hmac that was
+ * previously allocated by qcrypto_hmac_new()
+ */
+void qcrypto_hmac_free(QCryptoHmac *hmac);
+
+/**
+ * qcrypto_hmac_bytesv:
+ * @hmac: the hmac object
+ * @iov: the array of memory regions to hmac
+ * @niov: the length of @iov
+ * @result: pointer to hold output hmac
+ * @resultlen: pointer to hold length of @result
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Computes the hmac across all the memory regions
+ * present in @iov. The @result pointer will be
+ * filled with raw bytes representing the computed
+ * hmac, which will have length @resultlen. The
+ * memory pointer in @result must be released
+ * with a call to g_free() when no longer required.
+ *
+ * Returns:
+ *  0 on success, -1 on error
+ */
+int qcrypto_hmac_bytesv(QCryptoHmac *hmac,
+                        const struct iovec *iov,
+                        size_t niov,
+                        uint8_t **result,
+                        size_t *resultlen,
+                        Error **errp);
+
+/**
+ * qcrypto_hmac_bytes:
+ * @hmac: the hmac object
+ * @buf: the memory region to hmac
+ * @len: the length of @buf
+ * @result: pointer to hold output hmac
+ * @resultlen: pointer to hold length of @result
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Computes the hmac across all the memory region
+ * @buf of length @len. The @result pointer will be
+ * filled with raw bytes representing the computed
+ * hmac, which will have length @resultlen. The
+ * memory pointer in @result must be released
+ * with a call to g_free() when no longer required.
+ *
+ * Returns:
+ *  0 on success, -1 on error
+ */
+int qcrypto_hmac_bytes(QCryptoHmac *hmac,
+                       const char *buf,
+                       size_t len,
+                       uint8_t **result,
+                       size_t *resultlen,
+                       Error **errp);
+
+/**
+ * qcrypto_hmac_digestv:
+ * @hmac: the hmac object
+ * @iov: the array of memory regions to hmac
+ * @niov: the length of @iov
+ * @digest: pointer to hold output hmac
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Computes the hmac across all the memory regions
+ * present in @iov. The @digest pointer will be
+ * filled with the printable hex digest of the computed
+ * hmac, which will be terminated by '\0'. The
+ * memory pointer in @digest must be released
+ * with a call to g_free() when no longer required.
+ *
+ * Returns:
+ *  0 on success, -1 on error
+ */
+int qcrypto_hmac_digestv(QCryptoHmac *hmac,
+                         const struct iovec *iov,
+                         size_t niov,
+                         char **digest,
+                         Error **errp);
+
+/**
+ * qcrypto_hmac_digest:
+ * @hmac: the hmac object
+ * @buf: the memory region to hmac
+ * @len: the length of @buf
+ * @digest: pointer to hold output hmac
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Computes the hmac across all the memory region
+ * @buf of length @len. The @digest pointer will be
+ * filled with the printable hex digest of the computed
+ * hmac, which will be terminated by '\0'. The
+ * memory pointer in @digest must be released
+ * with a call to g_free() when no longer required.
+ *
+ * Returns: 0 on success, -1 on error
+ */
+int qcrypto_hmac_digest(QCryptoHmac *hmac,
+                        const char *buf,
+                        size_t len,
+                        char **digest,
+                        Error **errp);
+
+#endif

qapi/crypto.json

@@ -63,6 +63,7 @@
 # @aes-192: AES with 192 bit / 24 byte keys
 # @aes-256: AES with 256 bit / 32 byte keys
 # @des-rfb: RFB specific variant of single DES. Do not use except in VNC.
+# @3des: 3DES(EDE) with 192 bit / 24 byte keys (since 2.9)
 # @cast5-128: Cast5 with 128 bit / 16 byte keys
 # @serpent-128: Serpent with 128 bit / 16 byte keys
 # @serpent-192: Serpent with 192 bit / 24 byte keys
@@ -75,7 +76,7 @@
 { 'enum': 'QCryptoCipherAlgorithm',
   'prefix': 'QCRYPTO_CIPHER_ALG',
   'data': ['aes-128', 'aes-192', 'aes-256',
-           'des-rfb',
+           'des-rfb', '3des',
            'cast5-128',
            'serpent-128', 'serpent-192', 'serpent-256',
            'twofish-128', 'twofish-192', 'twofish-256']}

tests/Makefile.include

@@ -91,6 +91,7 @@ gcov-files-test-qemu-opts-y = qom/test-qemu-opts.c
 check-unit-y += tests/test-write-threshold$(EXESUF)
 gcov-files-test-write-threshold-y = block/write-threshold.c
 check-unit-y += tests/test-crypto-hash$(EXESUF)
+check-unit-y += tests/test-crypto-hmac$(EXESUF)
 check-unit-y += tests/test-crypto-cipher$(EXESUF)
 check-unit-y += tests/test-crypto-secret$(EXESUF)
 check-unit-$(CONFIG_GNUTLS) += tests/test-crypto-tlscredsx509$(EXESUF)
@@ -571,6 +572,7 @@ tests/test-opts-visitor$(EXESUF): tests/test-opts-visitor.o $(test-qapi-obj-y)
 tests/test-mul64$(EXESUF): tests/test-mul64.o $(test-util-obj-y)
 tests/test-bitops$(EXESUF): tests/test-bitops.o $(test-util-obj-y)
 tests/test-crypto-hash$(EXESUF): tests/test-crypto-hash.o $(test-crypto-obj-y)
+tests/test-crypto-hmac$(EXESUF): tests/test-crypto-hmac.o $(test-crypto-obj-y)
 tests/test-crypto-cipher$(EXESUF): tests/test-crypto-cipher.o $(test-crypto-obj-y)
 tests/test-crypto-secret$(EXESUF): tests/test-crypto-secret.o $(test-crypto-obj-y)
 tests/test-crypto-xts$(EXESUF): tests/test-crypto-xts.o $(test-crypto-obj-y)

tests/test-crypto-cipher.c

@@ -165,6 +165,125 @@ static QCryptoCipherTestData test_data[] = {
             "ffd29f1bb5596ad94ea2d8e6196b7f09"
             "30d8ed0bf2773af36dd82a6280c20926",
     },
+#if defined(CONFIG_NETTLE) || defined(CONFIG_GCRYPT)
+    {
+        /* Borrowed from linux-kernel crypto/testmgr.h */
+        .path = "/crypto/cipher/3des-cbc",
+        .alg = QCRYPTO_CIPHER_ALG_3DES,
+        .mode = QCRYPTO_CIPHER_MODE_CBC,
+        .key =
+            "e9c0ff2e760b6424444d995a12d640c0"
+            "eac284e81495dbe8",
+        .iv =
+            "7d3388930f93b242",
+        .plaintext =
+            "6f54206f614d796e5320636565727374"
+            "54206f6f4d206e612079655372637465"
+            "20736f54206f614d796e532063656572"
+            "737454206f6f4d206e61207965537263"
+            "746520736f54206f614d796e53206365"
+            "6572737454206f6f4d206e6120796553"
+            "7263746520736f54206f614d796e5320"
+            "63656572737454206f6f4d206e610a79",
+        .ciphertext =
+            "0e2db6973c5633f4671721c76e8ad549"
+            "74b34905c51cd0ed12565c5396b6007d"
+            "9048fcf58d2939cc8ad5351836234ed7"
+            "76d1da0c9467bb048bf2036ca8cfb6ea"
+            "226447aa8f7513bf9fc2c3f0c956c57a"
+            "71632e897b1e12cae25fafd8a4f8c97a"
+            "d6f92131624445a6d6bc5ad32d5443cc"
+            "9ddea570e942458a6bfab19113b0d919",
+    },
+    {
+        /* Borrowed from linux-kernel crypto/testmgr.h */
+        .path = "/crypto/cipher/3des-ecb",
+        .alg = QCRYPTO_CIPHER_ALG_3DES,
+        .mode = QCRYPTO_CIPHER_MODE_ECB,
+        .key =
+            "0123456789abcdef5555555555555555"
+            "fedcba9876543210",
+        .plaintext =
+            "736f6d6564617461",
+        .ciphertext =
+            "18d748e563620572",
+    },
+    {
+        /* Borrowed from linux-kernel crypto/testmgr.h */
+        .path = "/crypto/cipher/3des-ctr",
+        .alg = QCRYPTO_CIPHER_ALG_3DES,
+        .mode = QCRYPTO_CIPHER_MODE_CTR,
+        .key =
+            "9cd6f39cb95a67005a67002dceeb2dce"
+            "ebb45172b451721f",
+        .iv =
+            "ffffffffffffffff",
+        .plaintext =
+            "05ec77fb42d559208b128669f05bcf56"
+            "39ad349f66ea7dc448d3ba0db118e34a"
+            "fe41285c278e11856cf75ec2553ca00b"
+            "9265e970db4fd6b900b41fe649fd442f"
+            "533a8d149863ca5dc1a833a70e9178ec"
+            "77de42d5bc078b12e54cf05b22563980"
+            "6b9f66c950c4af36ba0d947fe34add41"
+            "28b31a8e11f843f75e21553c876e9265"
+            "cc57dba235b900eb72e649d0442fb619"
+            "8d14ff46ca5d24a8339a6d9178c377de"
+            "a108bc07ee71e54cd75b22b51c806bf2"
+            "45c9503baf369960947fc64adda40fb3"
+            "1aed74f8432a5e218813876ef158cc57"
+            "3ea2359c67eb72c549d0bb02b619e04b"
+            "ff46295d248f169a6df45fc3aa3da108"
+            "937aee71d84cd7be01b51ce74ef2452c"
+            "503b82159960cb52c6a930a40f9679ed"
+            "74df432abd048813fa4df15823573e81"
+            "689c67ce51c5ac37bb02957ce04bd246"
+            "29b01b8f16f940f45f26aa3d846f937a"
+            "cd54d8a30abe01e873e74ed1452cb71e"
+            "8215fc47cb5225a9309b629679c074df"
+            "a609bd04ef76fa4dd458238a1d8168f3"
+            "5ace5138ac379e61957cc74bd2a50cb0"
+            "1be275f9402b5f268910846ff659cd54"
+            "3fa30a9d64e873da4ed1b803b71ee148"
+            "fc472e52258c179b62f55cc0ab32a609"
+            "907bef76d94dd4bf068a1de44ff35a2d"
+            "5138836a9e61c853c7ae31a50c977ee2"
+            "75dc402bb2058910fb42f65920543f86"
+            "699d64cf56daad34b803ea7de148d347",
+        .ciphertext =
+            "07c20820721f49ef19cd6f3253052215"
+            "a2852bdb85d2d8b9dd0d1b45cb6911d4"
+            "eabeb2455d0caebea0c127ac659f537e"
+            "afc21bb5b86d360c25c0f86d0b2901da"
+            "1378dc89121243faf612ef8d87627883"
+            "e2be41204c6d351bd10c30cfe2de2b03"
+            "bf4573d4e55995d1b39b276297bdde7f"
+            "a4d23980aa5023f074883da86a18793b"
+            "c4966c8d2240926ed6ad2a1fde63c0e7"
+            "07f72df7b5f3f0cc017c2a9bc210caaa"
+            "fd2b3fc5f3f6fc9b45db53e45bf3c97b"
+            "8e52ffc802b8ac9da10039da3d2d0e01"
+            "097d8d5ebe53b9b08ee7e2966ab278ea"
+            "de238ba5fa5ce3dabf8e316a55d16ab2"
+            "b5466fa5f0eeba1f9f98b0664fd03fa9"
+            "df5f58c4f4ff755c403a097e6e1c97d4"
+            "cce7e771cf0b150871fa0797cde6ca1d"
+            "14280ccf99137af1ebfafa9207de1da1"
+            "d33669fe514d9f2e83374f1f4830ed04"
+            "4da4ef3aca76f41c418f6337782f86a6"
+            "ef417ed2af88ab675271c38ef8269372"
+            "aad60ee70b46b13ab408a9a8a0cf200c"
+            "52bc8b0556b2bc319b74b92929969a50"
+            "dc45dc1aeb0c64d4d3057e5955c3f490"
+            "c2abf89b8adacea1c3f4ad77dd44c8ac"
+            "a3f1c9d2195cb0caa234c1f76cfdac65"
+            "32dc48c4f2006b77f17d76acc031632a"
+            "a53a62c891b10365cb43d106dfc367bc"
+            "dce0cd35ce4965a0527ba70d07a91bb0"
+            "407772c2ea0e3a7846b991b6e73d5142"
+            "fd51b0c62c6313785ceefccfc4700034",
+    },
+#endif
     {
         /* RFC 2144, Appendix B.1 */
         .path = "/crypto/cipher/cast5-128",

tests/test-crypto-hmac.c

@@ -0,0 +1,266 @@
+/*
+ * QEMU Crypto hmac algorithms tests
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ *    Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "crypto/init.h"
+#include "crypto/hmac.h"
+
+#define INPUT_TEXT1 "ABCDEFGHIJKLMNOPQRSTUVWXY"
+#define INPUT_TEXT2 "Zabcdefghijklmnopqrstuvwx"
+#define INPUT_TEXT3 "yz0123456789"
+#define INPUT_TEXT INPUT_TEXT1 \
+              INPUT_TEXT2 \
+              INPUT_TEXT3
+
+#define KEY "monkey monkey monkey monkey"
+
+typedef struct QCryptoHmacTestData QCryptoHmacTestData;
+struct QCryptoHmacTestData {
+    QCryptoHashAlgorithm alg;
+    const char *hex_digest;
+};
+
+static QCryptoHmacTestData test_data[] = {
+    {
+        .alg = QCRYPTO_HASH_ALG_MD5,
+        .hex_digest =
+            "ede9cb83679ba82d88fbeae865b3f8fc",
+    },
+    {
+        .alg = QCRYPTO_HASH_ALG_SHA1,
+        .hex_digest =
+            "c7b5a631e3aac975c4ededfcd346e469"
+            "dbc5f2d1",
+    },
+    {
+        .alg = QCRYPTO_HASH_ALG_SHA224,
+        .hex_digest =
+            "5f768179dbb29ca722875d0f461a2e2f"
+            "597d0210340a84df1a8e9c63",
+    },
+    {
+        .alg = QCRYPTO_HASH_ALG_SHA256,
+        .hex_digest =
+            "3798f363c57afa6edaffe39016ca7bad"
+            "efd1e670afb0e3987194307dec3197db",
+    },
+    {
+        .alg = QCRYPTO_HASH_ALG_SHA384,
+        .hex_digest =
+            "d218680a6032d33dccd9882d6a6a7164"
+            "64f26623be257a9b2919b185294f4a49"
+            "9e54b190bfd6bc5cedd2cd05c7e65e82",
+    },
+    {
+        .alg = QCRYPTO_HASH_ALG_SHA512,
+        .hex_digest =
+            "835a4f5b3750b4c1fccfa88da2f746a4"
+            "900160c9f18964309bb736c13b59491b"
+            "8e32d37b724cc5aebb0f554c6338a3b5"
+            "94c4ba26862b2dadb59b7ede1d08d53e",
+    },
+    {
+        .alg = QCRYPTO_HASH_ALG_RIPEMD160,
+        .hex_digest =
+            "94964ed4c1155b62b668c241d67279e5"
+            "8a711676",
+    },
+};
+
+static const char hex[] = "0123456789abcdef";
+
+static void test_hmac_alloc(void)
+{
+    size_t i;
+
+    for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
+        QCryptoHmacTestData *data = &test_data[i];
+        QCryptoHmac *hmac = NULL;
+        uint8_t *result = NULL;
+        size_t resultlen = 0;
+        Error *err = NULL;
+        const char *exp_output = NULL;
+        int ret;
+        size_t j;
+
+        if (!qcrypto_hmac_supports(data->alg)) {
+            return;
+        }
+
+        exp_output = data->hex_digest;
+
+        hmac = qcrypto_hmac_new(data->alg, (const uint8_t *)KEY,
+                                strlen(KEY), &err);
+        g_assert(err == NULL);
+        g_assert(hmac != NULL);
+
+        ret = qcrypto_hmac_bytes(hmac, (const char *)INPUT_TEXT,
+                                 strlen(INPUT_TEXT), &result,
+                                 &resultlen, &err);
+        g_assert(err == NULL);
+        g_assert(ret == 0);
+
+        for (j = 0; j < resultlen; j++) {
+            g_assert(exp_output[j * 2] == hex[(result[j] >> 4) & 0xf]);
+            g_assert(exp_output[j * 2 + 1] == hex[result[j] & 0xf]);
+        }
+
+        qcrypto_hmac_free(hmac);
+
+        g_free(result);
+    }
+}
+
+static void test_hmac_prealloc(void)
+{
+    size_t i;
+
+    for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
+        QCryptoHmacTestData *data = &test_data[i];
+        QCryptoHmac *hmac = NULL;
+        uint8_t *result = NULL;
+        size_t resultlen = 0;
+        Error *err = NULL;
+        const char *exp_output = NULL;
+        int ret;
+        size_t j;
+
+        if (!qcrypto_hmac_supports(data->alg)) {
+            return;
+        }
+
+        exp_output = data->hex_digest;
+
+        resultlen = strlen(exp_output) / 2;
+        result = g_new0(uint8_t, resultlen);
+
+        hmac = qcrypto_hmac_new(data->alg, (const uint8_t *)KEY,
+                                strlen(KEY), &err);
+        g_assert(err == NULL);
+        g_assert(hmac != NULL);
+
+        ret = qcrypto_hmac_bytes(hmac, (const char *)INPUT_TEXT,
+                                 strlen(INPUT_TEXT), &result,
+                                 &resultlen, &err);
+        g_assert(err == NULL);
+        g_assert(ret == 0);
+
+        exp_output = data->hex_digest;
+        for (j = 0; j < resultlen; j++) {
+            g_assert(exp_output[j * 2] == hex[(result[j] >> 4) & 0xf]);
+            g_assert(exp_output[j * 2 + 1] == hex[result[j] & 0xf]);
+        }
+
+        qcrypto_hmac_free(hmac);
+
+        g_free(result);
+    }
+}
+
+static void test_hmac_iov(void)
+{
+    size_t i;
+
+    for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
+        QCryptoHmacTestData *data = &test_data[i];
+        QCryptoHmac *hmac = NULL;
+        uint8_t *result = NULL;
+        size_t resultlen = 0;
+        Error *err = NULL;
+        const char *exp_output = NULL;
+        int ret;
+        size_t j;
+        struct iovec iov[3] = {
+            { .iov_base = (char *)INPUT_TEXT1, .iov_len = strlen(INPUT_TEXT1) },
+            { .iov_base = (char *)INPUT_TEXT2, .iov_len = strlen(INPUT_TEXT2) },
+            { .iov_base = (char *)INPUT_TEXT3, .iov_len = strlen(INPUT_TEXT3) },
+        };
+
+        if (!qcrypto_hmac_supports(data->alg)) {
+            return;
+        }
+
+        exp_output = data->hex_digest;
+
+        hmac = qcrypto_hmac_new(data->alg, (const uint8_t *)KEY,
+                                strlen(KEY), &err);
+        g_assert(err == NULL);
+        g_assert(hmac != NULL);
+
+        ret = qcrypto_hmac_bytesv(hmac, iov, 3, &result,
+                                  &resultlen, &err);
+        g_assert(err == NULL);
+        g_assert(ret == 0);
+
+        for (j = 0; j < resultlen; j++) {
+            g_assert(exp_output[j * 2] == hex[(result[j] >> 4) & 0xf]);
+            g_assert(exp_output[j * 2 + 1] == hex[result[j] & 0xf]);
+        }
+
+        qcrypto_hmac_free(hmac);
+
+        g_free(result);
+    }
+}
+
+static void test_hmac_digest(void)
+{
+    size_t i;
+
+    for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
+        QCryptoHmacTestData *data = &test_data[i];
+        QCryptoHmac *hmac = NULL;
+        uint8_t *result = NULL;
+        Error *err = NULL;
+        const char *exp_output = NULL;
+        int ret;
+
+        if (!qcrypto_hmac_supports(data->alg)) {
+            return;
+        }
+
+        exp_output = data->hex_digest;
+
+        hmac = qcrypto_hmac_new(data->alg, (const uint8_t *)KEY,
+                                strlen(KEY), &err);
+        g_assert(err == NULL);
+        g_assert(hmac != NULL);
+
+        ret = qcrypto_hmac_digest(hmac, (const char *)INPUT_TEXT,
+                                  strlen(INPUT_TEXT), (char **)&result,
+                                  &err);
+        g_assert(err == NULL);
+        g_assert(ret == 0);
+
+        g_assert_cmpstr((const char *)result, ==, exp_output);
+
+        qcrypto_hmac_free(hmac);
+
+        g_free(result);
+    }
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    g_assert(qcrypto_init(NULL) == 0);
+
+    g_test_add_func("/crypto/hmac/iov", test_hmac_iov);
+    g_test_add_func("/crypto/hmac/alloc", test_hmac_alloc);
+    g_test_add_func("/crypto/hmac/prealloc", test_hmac_prealloc);
+    g_test_add_func("/crypto/hmac/digest", test_hmac_digest);
+
+    return g_test_run();
+}