diff --git a/src/internal.c b/src/internal.c
index 31334eb43..fc462c14e 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -7787,13 +7787,13 @@ int AllocKey(WOLFSSL* ssl, int type, void** pKey)
     #if defined(HAVE_PQC)
     #if defined(HAVE_FALCON)
         case DYNAMIC_TYPE_FALCON:
-            wc_falcon_init((falcon_key*)*pKey);
+            wc_falcon_init_ex((falcon_key*)*pKey, ssl->heap, ssl->devId);
             ret = 0;
             break;
     #endif /* HAVE_FALCON */
     #if defined(HAVE_DILITHIUM)
         case DYNAMIC_TYPE_DILITHIUM:
-            wc_dilithium_init((dilithium_key*)*pKey);
+            wc_dilithium_init_ex((dilithium_key*)*pKey, ssl->heap, ssl->devId);
             ret = 0;
             break;
     #endif /* HAVE_DILITHIUM */
@@ -27451,6 +27451,54 @@ int CreateDevPrivateKey(void** pkey, byte* data, word32 length, int hsType,
         }
 #endif
     }
+    else if (hsType == DYNAMIC_TYPE_DILITHIUM) {
+#if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
+        dilithium_key* dilithiumKey;
+
+        dilithiumKey = (dilithium_key*)XMALLOC(sizeof(dilithium_key), heap,
+                                               DYNAMIC_TYPE_DILITHIUM);
+        if (dilithiumKey == NULL) {
+            return MEMORY_E;
+        }
+
+        if (label) {
+            ret = wc_dilithium_init_label(dilithiumKey, (char*)data, heap, devId);
+        }
+        else if (id) {
+            ret = wc_dilithium_init_id(dilithiumKey, data, length, heap, devId);
+        }
+        if (ret == 0) {
+            *pkey = (void*)dilithiumKey;
+        }
+        else {
+            XFREE(dilithiumKey, heap, DYNAMIC_TYPE_DILITHIUM);
+        }
+#endif
+    }
+    else if (hsType == DYNAMIC_TYPE_FALCON) {
+#if defined(HAVE_PQC) && defined(HAVE_FALCON)
+        falcon_key* falconKey;
+
+        falconKey = (falcon_key*)XMALLOC(sizeof(falcon_key), heap,
+                                         DYNAMIC_TYPE_FALCON);
+        if (falconKey == NULL) {
+            return MEMORY_E;
+        }
+
+        if (label) {
+            ret = wc_falcon_init_label(falconKey, (char*)data, heap, devId);
+        }
+        else if (id) {
+            ret = wc_falcon_init_id(falconKey, data, length, heap, devId);
+        }
+        if (ret == 0) {
+            *pkey = (void*)falconKey;
+        }
+        else {
+            XFREE(falconKey, heap, DYNAMIC_TYPE_FALCON);
+        }
+#endif
+    }
 
     return ret;
 }
@@ -27499,6 +27547,10 @@ int DecodePrivateKey(WOLFSSL *ssl, word16* length)
             ssl->hsType = DYNAMIC_TYPE_RSA;
         else if (ssl->buffers.keyType == ecc_dsa_sa_algo)
             ssl->hsType = DYNAMIC_TYPE_ECC;
+        else if (ssl->buffers.keyType == falcon_level5_sa_algo)
+            ssl->hsType = DYNAMIC_TYPE_FALCON;
+        else if (ssl->buffers.keyType == dilithium_level5_sa_algo)
+            ssl->hsType = DYNAMIC_TYPE_DILITHIUM;
         ret = AllocKey(ssl, ssl->hsType, &ssl->hsKey);
         if (ret != 0) {
             goto exit_dpk;
@@ -27554,6 +27606,58 @@ int DecodePrivateKey(WOLFSSL *ssl, word16* length)
             }
     #else
             ret = NOT_COMPILED_IN;
+    #endif
+        }
+        else if (ssl->buffers.keyType == falcon_level5_sa_algo) {
+    #if defined(HAVE_PQC) && defined(HAVE_FALCON)
+            if (ssl->buffers.keyLabel) {
+                ret = wc_falcon_init_label((falcon_key*)ssl->hsKey,
+                                           (char*)ssl->buffers.key->buffer,
+                                           ssl->heap, ssl->buffers.keyDevId);
+            }
+            else if (ssl->buffers.keyId) {
+                ret = wc_falcon_init_id((falcon_key*)ssl->hsKey,
+                                        ssl->buffers.key->buffer,
+                                        ssl->buffers.key->length, ssl->heap,
+                                        ssl->buffers.keyDevId);
+            }
+            if (ret == 0) {
+                if (ssl->buffers.keySz < ssl->options.minFalconKeySz) {
+                    WOLFSSL_MSG("Falcon key size too small");
+                    ERROR_OUT(FALCON_KEY_SIZE_E, exit_dpk);
+                }
+
+                /* Return the maximum signature length. */
+                *length = (word16)wc_falcon_sig_size((falcon_key*)ssl->hsKey);
+            }
+    #else
+            ret = NOT_COMPILED_IN;
+    #endif
+        }
+        else if (ssl->buffers.keyType == dilithium_level5_sa_algo) {
+    #if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
+            if (ssl->buffers.keyLabel) {
+                ret = wc_dilithium_init_label((dilithium_key*)ssl->hsKey,
+                                              (char*)ssl->buffers.key->buffer,
+                                              ssl->heap, ssl->buffers.keyDevId);
+            }
+            else if (ssl->buffers.keyId) {
+                ret = wc_dilithium_init_id((dilithium_key*)ssl->hsKey,
+                                        ssl->buffers.key->buffer,
+                                        ssl->buffers.key->length, ssl->heap,
+                                        ssl->buffers.keyDevId);
+            }
+            if (ret == 0) {
+                if (ssl->buffers.keySz < ssl->options.minDilithiumKeySz) {
+                    WOLFSSL_MSG("Dilithium key size too small");
+                    ERROR_OUT(DILITHIUM_KEY_SIZE_E, exit_dpk);
+                }
+
+                /* Return the maximum signature length. */
+                *length = (word16)wc_dilithium_sig_size((dilithium_key*)ssl->hsKey);
+            }
+    #else
+            ret = NOT_COMPILED_IN;
     #endif
         }
         goto exit_dpk;
diff --git a/src/ssl.c b/src/ssl.c
index 1cdd8b3b2..55b6e881c 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -7734,6 +7734,9 @@ int ProcessBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
         #if defined(HAVE_FALCON)
             case FALCON_LEVEL1k:
             case FALCON_LEVEL5k:
+            #ifdef WOLF_PRIVATE_KEY_ID
+                keyType = falcon_level5_sa_algo;
+            #endif
                 /* Falcon is fixed key size */
                 keySz = FALCON_MAX_KEY_SIZE;
                 if (ssl && !ssl->options.verifyNone) {
@@ -7756,6 +7759,9 @@ int ProcessBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
             case DILITHIUM_LEVEL2k:
             case DILITHIUM_LEVEL3k:
             case DILITHIUM_LEVEL5k:
+            #ifdef WOLF_PRIVATE_KEY_ID
+                keyType = dilithium_level5_sa_algo;
+            #endif
                 /* Dilithium is fixed key size */
                 keySz = DILITHIUM_MAX_KEY_SIZE;
                 if (ssl && !ssl->options.verifyNone) {
@@ -9090,6 +9096,19 @@ static int check_cert_key(DerBuffer* cert, DerBuffer* key, void* heap,
             type = DYNAMIC_TYPE_ECC;
         }
     #endif
+    #if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
+        if ((der->keyOID == DILITHIUM_LEVEL2k) ||
+            (der->keyOID == DILITHIUM_LEVEL3k) ||
+            (der->keyOID == DILITHIUM_LEVEL5k)) {
+            type = DYNAMIC_TYPE_DILITHIUM;
+        }
+    #endif
+    #if defined(HAVE_PQC) && defined(HAVE_FALCON)
+        if ((der->keyOID == FALCON_LEVEL1k) ||
+            (der->keyOID == FALCON_LEVEL5k)) {
+            type = DYNAMIC_TYPE_FALCON;
+        }
+    #endif
 
         ret = CreateDevPrivateKey(&pkey, buff, size, type,
                                   isKeyLabel, isKeyId, heap, devId);
@@ -9111,6 +9130,23 @@ static int check_cert_key(DerBuffer* cert, DerBuffer* key, void* heap,
                                                der->publicKey, der->pubKeySize);
             }
             #endif
+            #if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
+            if ((der->keyOID == DILITHIUM_LEVEL2k) ||
+                (der->keyOID == DILITHIUM_LEVEL3k) ||
+                (der->keyOID == DILITHIUM_LEVEL5k)) {
+                ret = wc_CryptoCb_PqcSignatureCheckPrivKey(pkey,
+                                            WC_PQC_SIG_TYPE_DILITHIUM,
+                                            der->publicKey, der->pubKeySize);
+            }
+            #endif
+            #if defined(HAVE_PQC) && defined(HAVE_FALCON)
+            if ((der->keyOID == FALCON_LEVEL1k) ||
+                (der->keyOID == FALCON_LEVEL5k)) {
+                ret = wc_CryptoCb_PqcSignatureCheckPrivKey(pkey,
+                                            WC_PQC_SIG_TYPE_FALCON,
+                                            der->publicKey, der->pubKeySize);
+            }
+            #endif
         }
         #else
             /* devId was set, don't check, for now */
@@ -9130,6 +9166,19 @@ static int check_cert_key(DerBuffer* cert, DerBuffer* key, void* heap,
             if (der->keyOID == ECDSAk) {
                 wc_ecc_free((ecc_key*)pkey);
             }
+        #endif
+        #if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
+            if ((der->keyOID == DILITHIUM_LEVEL2k) ||
+                (der->keyOID == DILITHIUM_LEVEL3k) ||
+                (der->keyOID == DILITHIUM_LEVEL5k)) {
+                wc_dilithium_free((dilithium_key*)pkey);
+            }
+        #endif
+        #if defined(HAVE_PQC) && defined(HAVE_FALCON)
+            if ((der->keyOID == FALCON_LEVEL1k) ||
+                (der->keyOID == FALCON_LEVEL5k)) {
+                wc_falcon_free((falcon_key*)pkey);
+            }
         #endif
             XFREE(pkey, heap, type);
         }
diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index 24c6d0a04..9439ed65b 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -16440,7 +16440,8 @@ static int ConfirmSignature(SignatureCtx* sigCtx,
                     if (sigCtx->key.falcon == NULL) {
                         ERROR_OUT(MEMORY_E, exit_cs);
                     }
-                    if ((ret = wc_falcon_init(sigCtx->key.falcon)) < 0) {
+                    if ((ret = wc_falcon_init_ex(sigCtx->key.falcon,
+                                            sigCtx->heap, sigCtx->devId)) < 0) {
                         goto exit_cs;
                     }
                     if ((ret = wc_falcon_set_level(sigCtx->key.falcon, 1))
@@ -16465,7 +16466,8 @@ static int ConfirmSignature(SignatureCtx* sigCtx,
                     if (sigCtx->key.falcon == NULL) {
                         ERROR_OUT(MEMORY_E, exit_cs);
                     }
-                    if ((ret = wc_falcon_init(sigCtx->key.falcon)) < 0) {
+                    if ((ret = wc_falcon_init_ex(sigCtx->key.falcon,
+                                            sigCtx->heap, sigCtx->devId)) < 0) {
                         goto exit_cs;
                     }
                     if ((ret = wc_falcon_set_level(sigCtx->key.falcon, 5))
@@ -16492,7 +16494,8 @@ static int ConfirmSignature(SignatureCtx* sigCtx,
                     if (sigCtx->key.dilithium == NULL) {
                         ERROR_OUT(MEMORY_E, exit_cs);
                     }
-                    if ((ret = wc_dilithium_init(sigCtx->key.dilithium)) < 0) {
+                    if ((ret = wc_dilithium_init_ex(sigCtx->key.dilithium,
+                                            sigCtx->heap, sigCtx->devId)) < 0) {
                         goto exit_cs;
                     }
                     if ((ret = wc_dilithium_set_level(
@@ -16517,7 +16520,8 @@ static int ConfirmSignature(SignatureCtx* sigCtx,
                     if (sigCtx->key.dilithium == NULL) {
                         ERROR_OUT(MEMORY_E, exit_cs);
                     }
-                    if ((ret = wc_dilithium_init(sigCtx->key.dilithium)) < 0) {
+                    if ((ret = wc_dilithium_init_ex(sigCtx->key.dilithium,
+                                            sigCtx->heap, sigCtx->devId)) < 0) {
                         goto exit_cs;
                     }
                     if ((ret = wc_dilithium_set_level(
@@ -16542,7 +16546,8 @@ static int ConfirmSignature(SignatureCtx* sigCtx,
                     if (sigCtx->key.dilithium == NULL) {
                         ERROR_OUT(MEMORY_E, exit_cs);
                     }
-                    if ((ret = wc_dilithium_init(sigCtx->key.dilithium)) < 0) {
+                    if ((ret = wc_dilithium_init_ex(sigCtx->key.dilithium,
+                                            sigCtx->heap, sigCtx->devId)) < 0) {
                         goto exit_cs;
                     }
                     if ((ret = wc_dilithium_set_level(
diff --git a/wolfcrypt/src/cryptocb.c b/wolfcrypt/src/cryptocb.c
index ce49e4671..3996ceaa4 100644
--- a/wolfcrypt/src/cryptocb.c
+++ b/wolfcrypt/src/cryptocb.c
@@ -785,6 +785,168 @@ int wc_CryptoCb_Ed25519Verify(const byte* sig, word32 sigLen,
 }
 #endif /* HAVE_ED25519 */
 
+#if defined(HAVE_PQC) && (defined(HAVE_FALCON) || defined(HAVE_DILITHIUM))
+int wc_CryptoCb_PqcSigGetDevId(int type, void* key)
+{
+    int devId = INVALID_DEVID;
+
+    if (key == NULL)
+        return devId;
+
+    /* get devId */
+#if defined(HAVE_DILITHIUM)
+    if (type == WC_PQC_SIG_TYPE_DILITHIUM) {
+        devId = ((dilithium_key*) key)->devId;
+    }
+#endif
+#if defined(HAVE_FALCON)
+    if (type == WC_PQC_SIG_TYPE_FALCON) {
+        devId = ((falcon_key*) key)->devId;
+    }
+#endif
+
+    return devId;
+}
+
+int wc_CryptoCb_MakePqcSignatureKey(WC_RNG* rng, int type, int keySize,
+    void* key)
+{
+    int ret = CRYPTOCB_UNAVAILABLE;
+    int devId = INVALID_DEVID;
+    CryptoCb* dev;
+
+    if (key == NULL)
+        return ret;
+
+    /* get devId */
+    devId = wc_CryptoCb_PqcSigGetDevId(type, key);
+    if (devId == INVALID_DEVID)
+        return ret;
+
+    /* locate registered callback */
+    dev = wc_CryptoCb_FindDevice(devId, WC_ALGO_TYPE_PK);
+    if (dev && dev->cb) {
+        wc_CryptoInfo cryptoInfo;
+        XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
+        cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
+        cryptoInfo.pk.type = WC_PK_TYPE_PQC_SIG_KEYGEN;
+        cryptoInfo.pk.pqc_sig_kg.rng = rng;
+        cryptoInfo.pk.pqc_sig_kg.size = keySize;
+        cryptoInfo.pk.pqc_sig_kg.key = key;
+        cryptoInfo.pk.pqc_sig_kg.type = type;
+
+        ret = dev->cb(dev->devId, &cryptoInfo, dev->ctx);
+    }
+
+    return wc_CryptoCb_TranslateErrorCode(ret);
+}
+
+int wc_CryptoCb_PqcSign(const byte* in, word32 inlen, byte* out, word32 *outlen,
+    WC_RNG* rng, int type, void* key)
+{
+    int ret = CRYPTOCB_UNAVAILABLE;
+    int devId = INVALID_DEVID;
+    CryptoCb* dev;
+
+    if (key == NULL)
+        return ret;
+
+    /* get devId */
+    devId = wc_CryptoCb_PqcSigGetDevId(type, key);
+    if (devId == INVALID_DEVID)
+        return ret;
+
+    /* locate registered callback */
+    dev = wc_CryptoCb_FindDevice(devId, WC_ALGO_TYPE_PK);
+    if (dev && dev->cb) {
+        wc_CryptoInfo cryptoInfo;
+        XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
+        cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
+        cryptoInfo.pk.type = WC_PK_TYPE_PQC_SIG_SIGN;
+        cryptoInfo.pk.pqc_sign.in = in;
+        cryptoInfo.pk.pqc_sign.inlen = inlen;
+        cryptoInfo.pk.pqc_sign.out = out;
+        cryptoInfo.pk.pqc_sign.outlen = outlen;
+        cryptoInfo.pk.pqc_sign.rng = rng;
+        cryptoInfo.pk.pqc_sign.key = key;
+        cryptoInfo.pk.pqc_sign.type = type;
+
+        ret = dev->cb(dev->devId, &cryptoInfo, dev->ctx);
+    }
+
+    return wc_CryptoCb_TranslateErrorCode(ret);
+}
+
+int wc_CryptoCb_PqcVerify(const byte* sig, word32 siglen, const byte* msg,
+    word32 msglen, int* res, int type, void* key)
+{
+    int ret = CRYPTOCB_UNAVAILABLE;
+    int devId = INVALID_DEVID;
+    CryptoCb* dev;
+
+    if (key == NULL)
+        return ret;
+
+    /* get devId */
+    devId = wc_CryptoCb_PqcSigGetDevId(type, key);
+    if (devId == INVALID_DEVID)
+        return ret;
+
+    /* locate registered callback */
+    dev = wc_CryptoCb_FindDevice(devId, WC_ALGO_TYPE_PK);
+    if (dev && dev->cb) {
+        wc_CryptoInfo cryptoInfo;
+        XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
+        cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
+        cryptoInfo.pk.type = WC_PK_TYPE_PQC_SIG_VERIFY;
+        cryptoInfo.pk.pqc_verify.sig = sig;
+        cryptoInfo.pk.pqc_verify.siglen = siglen;
+        cryptoInfo.pk.pqc_verify.msg = msg;
+        cryptoInfo.pk.pqc_verify.msglen = msglen;
+        cryptoInfo.pk.pqc_verify.res = res;
+        cryptoInfo.pk.pqc_verify.key = key;
+        cryptoInfo.pk.pqc_verify.type = type;
+
+        ret = dev->cb(dev->devId, &cryptoInfo, dev->ctx);
+    }
+
+    return wc_CryptoCb_TranslateErrorCode(ret);
+}
+
+int wc_CryptoCb_PqcSignatureCheckPrivKey(void* key, int type,
+    const byte* pubKey, word32 pubKeySz)
+{
+    int ret = CRYPTOCB_UNAVAILABLE;
+    int devId = INVALID_DEVID;
+    CryptoCb* dev;
+
+    if (key == NULL)
+        return ret;
+
+    /* get devId */
+    devId = wc_CryptoCb_PqcSigGetDevId(type, key);
+    if (devId == INVALID_DEVID)
+        return ret;
+
+    /* locate registered callback */
+    dev = wc_CryptoCb_FindDevice(devId, WC_ALGO_TYPE_PK);
+    if (dev && dev->cb) {
+        wc_CryptoInfo cryptoInfo;
+        XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
+        cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
+        cryptoInfo.pk.type = WC_PK_TYPE_PQC_SIG_CHECK_PRIV_KEY;
+        cryptoInfo.pk.pqc_sig_check.key = key;
+        cryptoInfo.pk.pqc_sig_check.pubKey = pubKey;
+        cryptoInfo.pk.pqc_sig_check.pubKeySz = pubKeySz;
+        cryptoInfo.pk.pqc_sig_check.type = type;
+
+        ret = dev->cb(dev->devId, &cryptoInfo, dev->ctx);
+    }
+
+    return wc_CryptoCb_TranslateErrorCode(ret);
+}
+#endif /* HAVE_PQC && (HAVE_FALCON || HAVE_DILITHIUM) */
+
 #ifndef NO_AES
 #ifdef HAVE_AESGCM
 int wc_CryptoCb_AesGcmEncrypt(Aes* aes, byte* out,
diff --git a/wolfcrypt/src/dilithium.c b/wolfcrypt/src/dilithium.c
index 93e79e965..fd12c0365 100644
--- a/wolfcrypt/src/dilithium.c
+++ b/wolfcrypt/src/dilithium.c
@@ -62,15 +62,30 @@ int wc_dilithium_sign_msg(const byte* in, word32 inLen,
                           dilithium_key* key, WC_RNG* rng)
 {
     int ret = 0;
-#ifdef HAVE_LIBOQS
-    OQS_SIG *oqssig = NULL;
-    size_t localOutLen = 0;
 
     /* sanity check on arguments */
     if ((in == NULL) || (out == NULL) || (outLen == NULL) || (key == NULL)) {
-        ret = BAD_FUNC_ARG;
+        return BAD_FUNC_ARG;
     }
 
+#ifdef WOLF_CRYPTO_CB
+    #ifndef WOLF_CRYPTO_CB_FIND
+    if (key->devId != INVALID_DEVID)
+    #endif
+    {
+        ret = wc_CryptoCb_PqcSign(in, inLen, out, outLen, rng,
+                                  WC_PQC_SIG_TYPE_DILITHIUM, key);
+        if (ret != CRYPTOCB_UNAVAILABLE)
+            return ret;
+        /* fall-through when unavailable */
+        ret = 0;
+    }
+#endif
+
+#ifdef HAVE_LIBOQS
+    OQS_SIG *oqssig = NULL;
+    size_t localOutLen = 0;
+
     if ((ret == 0) && (!key->prvKeySet)) {
         ret = BAD_FUNC_ARG;
     }
@@ -90,6 +105,10 @@ int wc_dilithium_sign_msg(const byte* in, word32 inLen,
         }
     }
 
+    if ((ret == 0) && (oqssig == NULL)) {
+        ret = BUFFER_E;
+    }
+
     /* check and set up out length */
     if (ret == 0) {
         if ((key->level == 2) && (*outLen < DILITHIUM_LEVEL2_SIG_SIZE)) {
@@ -148,13 +167,28 @@ int wc_dilithium_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
                             word32 msgLen, int* res, dilithium_key* key)
 {
     int ret = 0;
-#ifdef HAVE_LIBOQS
-    OQS_SIG *oqssig = NULL;
 
     if (key == NULL || sig == NULL || msg == NULL || res == NULL) {
-        ret = BAD_FUNC_ARG;
+        return BAD_FUNC_ARG;
     }
 
+#ifdef WOLF_CRYPTO_CB
+    #ifndef WOLF_CRYPTO_CB_FIND
+    if (key->devId != INVALID_DEVID)
+    #endif
+    {
+        ret = wc_CryptoCb_PqcVerify(sig, sigLen, msg, msgLen, res,
+                                    WC_PQC_SIG_TYPE_DILITHIUM, key);
+        if (ret != CRYPTOCB_UNAVAILABLE)
+            return ret;
+        /* fall-through when unavailable */
+        ret = 0;
+    }
+#endif
+
+#ifdef HAVE_LIBOQS
+    OQS_SIG *oqssig = NULL;
+
     if ((ret == 0) && (!key->pubKeySet)) {
         ret = BAD_FUNC_ARG;
     }
@@ -174,6 +208,10 @@ int wc_dilithium_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
         }
     }
 
+    if ((ret == 0) && (oqssig == NULL)) {
+        ret = BUFFER_E;
+    }
+
     if ((ret == 0) &&
         (OQS_SIG_verify(oqssig, msg, msgLen, sig, sigLen, key->p)
          == OQS_ERROR)) {
@@ -200,15 +238,92 @@ int wc_dilithium_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
  * returns BAD_FUNC_ARG when key is NULL
  */
 int wc_dilithium_init(dilithium_key* key)
+{
+    return wc_dilithium_init_ex(key, NULL, INVALID_DEVID);
+}
+
+/* Initialize the dilithium private/public key.
+ *
+ * key  [in]  Dilithium key.
+ * heap [in]  Heap hint.
+ * devId[in]  Device ID.
+ * returns BAD_FUNC_ARG when key is NULL
+ */
+int wc_dilithium_init_ex(dilithium_key* key, void* heap, int devId)
 {
     if (key == NULL) {
         return BAD_FUNC_ARG;
     }
 
     ForceZero(key, sizeof(*key));
+
+#ifdef WOLF_CRYPTO_CB
+    key->devCtx = NULL;
+    key->devId = devId;
+#endif
+#ifdef WOLF_PRIVATE_KEY_ID
+    key->idLen = 0;
+    key->labelLen = 0;
+#endif
+
+    (void) heap;
+    (void) devId;
+
     return 0;
 }
 
+#ifdef WOLF_PRIVATE_KEY_ID
+int wc_dilithium_init_id(dilithium_key* key, const unsigned char* id, int len,
+                         void* heap, int devId)
+{
+    int ret = 0;
+
+    if (key == NULL)
+        ret = BAD_FUNC_ARG;
+    if (ret == 0 && (len < 0 || len > DILITHIUM_MAX_ID_LEN))
+        ret = BUFFER_E;
+
+    if (ret == 0)
+        ret = wc_dilithium_init_ex(key, heap, devId);
+    if (ret == 0 && id != NULL && len != 0) {
+        XMEMCPY(key->id, id, (size_t)len);
+        key->idLen = len;
+    }
+
+    /* Set the maxiumum level here */
+    wc_dilithium_set_level(key, 5);
+
+    return ret;
+}
+
+int wc_dilithium_init_label(dilithium_key* key, const char* label, void* heap,
+                            int devId)
+{
+    int ret = 0;
+    int labelLen = 0;
+
+    if (key == NULL || label == NULL)
+        ret = BAD_FUNC_ARG;
+    if (ret == 0) {
+        labelLen = (int)XSTRLEN(label);
+        if (labelLen == 0 || labelLen > DILITHIUM_MAX_LABEL_LEN)
+            ret = BUFFER_E;
+    }
+
+    if (ret == 0)
+        ret = wc_dilithium_init_ex(key, heap, devId);
+    if (ret == 0) {
+        XMEMCPY(key->label, label, (size_t)labelLen);
+        key->labelLen = labelLen;
+    }
+
+    /* Set the maxiumum level here */
+    wc_dilithium_set_level(key, 5);
+
+    return ret;
+}
+#endif
+
 /* Set the level of the dilithium private/public key.
  *
  * key   [out]  Dilithium key.
@@ -422,15 +537,7 @@ int wc_dilithium_import_private_only(const byte* priv, word32 privSz,
          return ret;
     }
 
-    if (key->level == 2) {
-        XMEMCPY(key->k, newPriv, DILITHIUM_LEVEL2_KEY_SIZE);
-    }
-    else if (key->level == 3) {
-        XMEMCPY(key->k, newPriv, DILITHIUM_LEVEL3_KEY_SIZE);
-    }
-    else if (key->level == 5) {
-        XMEMCPY(key->k, newPriv, DILITHIUM_LEVEL5_KEY_SIZE);
-    }
+    XMEMCPY(key->k, newPriv, newPrivSz);
     key->prvKeySet = 1;
 
     return 0;
@@ -494,15 +601,7 @@ int wc_dilithium_import_private_key(const byte* priv, word32 privSz,
 
     if (ret == 0) {
         /* make the private key (priv + pub) */
-        if (key->level == 2) {
-            XMEMCPY(key->k, newPriv, DILITHIUM_LEVEL2_KEY_SIZE);
-        }
-        else if (key->level == 3) {
-            XMEMCPY(key->k, newPriv, DILITHIUM_LEVEL3_KEY_SIZE);
-        }
-        else if (key->level == 5) {
-            XMEMCPY(key->k, newPriv, DILITHIUM_LEVEL5_KEY_SIZE);
-        }
+        XMEMCPY(key->k, newPriv, newPrivSz);
         key->prvKeySet = 1;
     }
 
@@ -597,20 +696,20 @@ int wc_dilithium_export_private(dilithium_key* key, byte* out, word32* outLen)
 
     if (key->level == 2) {
         *outLen = DILITHIUM_LEVEL2_PRV_KEY_SIZE;
-        XMEMCPY(out, key->k, DILITHIUM_LEVEL2_PRV_KEY_SIZE);
-        XMEMCPY(out + DILITHIUM_LEVEL2_PRV_KEY_SIZE, key->p,
+        XMEMCPY(out, key->k, DILITHIUM_LEVEL2_KEY_SIZE);
+        XMEMCPY(out + DILITHIUM_LEVEL2_KEY_SIZE, key->p,
                 DILITHIUM_LEVEL2_PUB_KEY_SIZE);
     }
     else if (key->level == 3) {
         *outLen = DILITHIUM_LEVEL3_PRV_KEY_SIZE;
-        XMEMCPY(out, key->k, DILITHIUM_LEVEL3_PRV_KEY_SIZE);
-        XMEMCPY(out + DILITHIUM_LEVEL3_PRV_KEY_SIZE, key->p,
+        XMEMCPY(out, key->k, DILITHIUM_LEVEL3_KEY_SIZE);
+        XMEMCPY(out + DILITHIUM_LEVEL3_KEY_SIZE, key->p,
                 DILITHIUM_LEVEL3_PUB_KEY_SIZE);
     }
     else if (key->level == 5) {
         *outLen = DILITHIUM_LEVEL5_PRV_KEY_SIZE;
-        XMEMCPY(out, key->k, DILITHIUM_LEVEL5_PRV_KEY_SIZE);
-        XMEMCPY(out + DILITHIUM_LEVEL5_PRV_KEY_SIZE, key->p,
+        XMEMCPY(out, key->k, DILITHIUM_LEVEL5_KEY_SIZE);
+        XMEMCPY(out + DILITHIUM_LEVEL5_KEY_SIZE, key->p,
                 DILITHIUM_LEVEL5_PUB_KEY_SIZE);
     }
 
@@ -659,8 +758,29 @@ int wc_dilithium_check_key(dilithium_key* key)
         return BAD_FUNC_ARG;
     }
 
-    /* Assume everything is fine. */
-    return 0;
+    int ret = 0;
+
+    /* The public key is also decoded and stored within the private key buffer
+     * behind the private key. Hence, we can compare both stored public keys. */
+    if (key->level == 2) {
+        ret = XMEMCMP(key->p, key->k + DILITHIUM_LEVEL2_KEY_SIZE,
+                      DILITHIUM_LEVEL2_PUB_KEY_SIZE);
+    }
+    else if (key->level == 3) {
+        ret = XMEMCMP(key->p, key->k + DILITHIUM_LEVEL3_KEY_SIZE,
+                      DILITHIUM_LEVEL3_PUB_KEY_SIZE);
+    }
+    else if (key->level == 5) {
+        ret = XMEMCMP(key->p, key->k + DILITHIUM_LEVEL5_KEY_SIZE,
+                      DILITHIUM_LEVEL5_PUB_KEY_SIZE);
+    }
+
+    if (ret != 0) {
+        ret = PUBLIC_KEY_E;
+    }
+
+    return ret;
+
 }
 
 /* Returns the size of a dilithium private key.
@@ -767,7 +887,8 @@ int wc_Dilithium_PrivateKeyDecode(const byte* input, word32* inOutIdx,
                                   dilithium_key* key, word32 inSz)
 {
     int ret = 0;
-    byte privKey[DILITHIUM_MAX_KEY_SIZE], pubKey[DILITHIUM_MAX_PUB_KEY_SIZE];
+    byte privKey[DILITHIUM_MAX_PRV_KEY_SIZE];
+    byte pubKey[DILITHIUM_MAX_PUB_KEY_SIZE];
     word32 privKeyLen = (word32)sizeof(privKey);
     word32 pubKeyLen = (word32)sizeof(pubKey);
     int keytype = 0;
diff --git a/wolfcrypt/src/falcon.c b/wolfcrypt/src/falcon.c
index ae9947ef8..111119c6c 100644
--- a/wolfcrypt/src/falcon.c
+++ b/wolfcrypt/src/falcon.c
@@ -62,15 +62,30 @@ int wc_falcon_sign_msg(const byte* in, word32 inLen,
                               falcon_key* key, WC_RNG* rng)
 {
     int ret = 0;
-#ifdef HAVE_LIBOQS
-    OQS_SIG *oqssig = NULL;
-    size_t localOutLen = 0;
 
     /* sanity check on arguments */
     if ((in == NULL) || (out == NULL) || (outLen == NULL) || (key == NULL)) {
-        ret = BAD_FUNC_ARG;
+        return  BAD_FUNC_ARG;
     }
 
+#ifdef WOLF_CRYPTO_CB
+    #ifndef WOLF_CRYPTO_CB_FIND
+    if (key->devId != INVALID_DEVID)
+    #endif
+    {
+        ret = wc_CryptoCb_PqcSign(in, inLen, out, outLen, rng,
+                                  WC_PQC_SIG_TYPE_FALCON, key);
+        if (ret != CRYPTOCB_UNAVAILABLE)
+            return ret;
+        /* fall-through when unavailable */
+        ret = 0;
+    }
+#endif
+
+#ifdef HAVE_LIBOQS
+    OQS_SIG *oqssig = NULL;
+    size_t localOutLen = 0;
+
     if ((ret == 0) && (!key->prvKeySet)) {
         ret = BAD_FUNC_ARG;
     }
@@ -88,6 +103,10 @@ int wc_falcon_sign_msg(const byte* in, word32 inLen,
         }
     }
 
+    if ((ret == 0) && (oqssig == NULL)) {
+        ret = BUFFER_E;
+    }
+
     /* check and set up out length */
     if (ret == 0) {
         if ((key->level == 1) && (*outLen < FALCON_LEVEL1_SIG_SIZE)) {
@@ -142,13 +161,28 @@ int wc_falcon_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
                         word32 msgLen, int* res, falcon_key* key)
 {
     int ret = 0;
-#ifdef HAVE_LIBOQS
-    OQS_SIG *oqssig = NULL;
 
     if (key == NULL || sig == NULL || msg == NULL || res == NULL) {
-        ret = BAD_FUNC_ARG;
+        return BAD_FUNC_ARG;
     }
 
+#ifdef WOLF_CRYPTO_CB
+    #ifndef WOLF_CRYPTO_CB_FIND
+    if (key->devId != INVALID_DEVID)
+    #endif
+    {
+        ret = wc_CryptoCb_PqcVerify(sig, sigLen, msg, msgLen, res,
+                                    WC_PQC_SIG_TYPE_FALCON, key);
+        if (ret != CRYPTOCB_UNAVAILABLE)
+            return ret;
+        /* fall-through when unavailable */
+        ret = 0;
+    }
+#endif
+
+#ifdef HAVE_LIBOQS
+    OQS_SIG *oqssig = NULL;
+
     if ((ret == 0) && (!key->pubKeySet)) {
         ret = BAD_FUNC_ARG;
     }
@@ -166,6 +200,10 @@ int wc_falcon_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
         }
     }
 
+    if ((ret == 0) && (oqssig == NULL)) {
+        ret = BUFFER_E;
+    }
+
     if ((ret == 0) &&
         (OQS_SIG_verify(oqssig, msg, msgLen, sig, sigLen, key->p)
          == OQS_ERROR)) {
@@ -192,15 +230,92 @@ int wc_falcon_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
  * returns BAD_FUNC_ARG when key is NULL
  */
 int wc_falcon_init(falcon_key* key)
+{
+    return wc_falcon_init_ex(key, NULL, INVALID_DEVID);
+}
+
+/* Initialize the falcon private/public key.
+ *
+ * key  [in]  Falcon key.
+ * heap [in]  Heap hint.
+ * devId[in]  Device ID.
+ * returns BAD_FUNC_ARG when key is NULL
+ */
+int wc_falcon_init_ex(falcon_key* key, void* heap, int devId)
 {
     if (key == NULL) {
         return BAD_FUNC_ARG;
     }
 
     ForceZero(key, sizeof(*key));
+
+#ifdef WOLF_CRYPTO_CB
+    key->devCtx = NULL;
+    key->devId = devId;
+#endif
+#ifdef WOLF_PRIVATE_KEY_ID
+    key->idLen = 0;
+    key->labelLen = 0;
+#endif
+
+    (void) heap;
+    (void) devId;
+
     return 0;
 }
 
+#ifdef WOLF_PRIVATE_KEY_ID
+int wc_falcon_init_id(falcon_key* key, const unsigned char* id, int len,
+                         void* heap, int devId)
+{
+    int ret = 0;
+
+    if (key == NULL)
+        ret = BAD_FUNC_ARG;
+    if (ret == 0 && (len < 0 || len > FALCON_MAX_ID_LEN))
+        ret = BUFFER_E;
+
+    if (ret == 0)
+        ret = wc_falcon_init_ex(key, heap, devId);
+    if (ret == 0 && id != NULL && len != 0) {
+        XMEMCPY(key->id, id, (size_t)len);
+        key->idLen = len;
+    }
+
+    /* Set the maxiumum level here */
+    wc_falcon_set_level(key, 5);
+
+    return ret;
+}
+
+int wc_falcon_init_label(falcon_key* key, const char* label, void* heap,
+                            int devId)
+{
+    int ret = 0;
+    int labelLen = 0;
+
+    if (key == NULL || label == NULL)
+        ret = BAD_FUNC_ARG;
+    if (ret == 0) {
+        labelLen = (int)XSTRLEN(label);
+        if (labelLen == 0 || labelLen > FALCON_MAX_LABEL_LEN)
+            ret = BUFFER_E;
+    }
+
+    if (ret == 0)
+        ret = wc_falcon_init_ex(key, heap, devId);
+    if (ret == 0) {
+        XMEMCPY(key->label, label, (size_t)labelLen);
+        key->labelLen = labelLen;
+    }
+
+    /* Set the maxiumum level here */
+    wc_falcon_set_level(key, 5);
+
+    return ret;
+}
+#endif
+
 /* Set the level of the falcon private/public key.
  *
  * key   [out]  Falcon key.
@@ -399,12 +514,7 @@ int wc_falcon_import_private_only(const byte* priv, word32 privSz,
          return ret;
     }
 
-    if (key->level == 1) {
-        XMEMCPY(key->k, newPriv, FALCON_LEVEL1_KEY_SIZE);
-    }
-    else if (key->level == 5) {
-        XMEMCPY(key->k, newPriv, FALCON_LEVEL5_KEY_SIZE);
-    }
+    XMEMCPY(key->k, newPriv, newPrivSz);
     key->prvKeySet = 1;
 
     return 0;
@@ -462,12 +572,7 @@ int wc_falcon_import_private_key(const byte* priv, word32 privSz,
 
     if (ret == 0) {
         /* make the private key (priv + pub) */
-        if (key->level == 1) {
-            XMEMCPY(key->k, newPriv, FALCON_LEVEL1_KEY_SIZE);
-        }
-        else if (key->level == 5) {
-            XMEMCPY(key->k, newPriv, FALCON_LEVEL5_KEY_SIZE);
-        }
+        XMEMCPY(key->k, newPriv, newPrivSz);
         key->prvKeySet = 1;
     }
 
@@ -550,14 +655,14 @@ int wc_falcon_export_private(falcon_key* key, byte* out, word32* outLen)
 
     if (key->level == 1) {
         *outLen = FALCON_LEVEL1_PRV_KEY_SIZE;
-        XMEMCPY(out, key->k, FALCON_LEVEL1_PRV_KEY_SIZE);
-        XMEMCPY(out + FALCON_LEVEL1_PRV_KEY_SIZE, key->p,
+        XMEMCPY(out, key->k, FALCON_LEVEL1_KEY_SIZE);
+        XMEMCPY(out + FALCON_LEVEL1_KEY_SIZE, key->p,
                 FALCON_LEVEL1_PUB_KEY_SIZE);
     }
     else if (key->level == 5) {
         *outLen = FALCON_LEVEL5_PRV_KEY_SIZE;
-        XMEMCPY(out, key->k, FALCON_LEVEL5_PRV_KEY_SIZE);
-        XMEMCPY(out + FALCON_LEVEL5_PRV_KEY_SIZE, key->p,
+        XMEMCPY(out, key->k, FALCON_LEVEL5_KEY_SIZE);
+        XMEMCPY(out + FALCON_LEVEL5_KEY_SIZE, key->p,
                 FALCON_LEVEL5_PUB_KEY_SIZE);
     }
 
@@ -606,8 +711,24 @@ int wc_falcon_check_key(falcon_key* key)
         return BAD_FUNC_ARG;
     }
 
-    /* Assume everything is fine. */
-    return 0;
+    int ret = 0;
+
+    /* The public key is also decoded and stored within the private key buffer
+     * behind the private key. Hence, we can compare both stored public keys. */
+    if (key->level == 1) {
+        ret = XMEMCMP(key->p, key->k + FALCON_LEVEL1_KEY_SIZE,
+                      FALCON_LEVEL1_PUB_KEY_SIZE);
+    }
+    else if (key->level == 5) {
+        ret = XMEMCMP(key->p, key->k + FALCON_LEVEL5_KEY_SIZE,
+                      FALCON_LEVEL5_PUB_KEY_SIZE);
+    }
+
+    if (ret != 0) {
+        ret = PUBLIC_KEY_E;
+    }
+
+    return ret;
 }
 
 /* Returns the size of a falcon private key.
@@ -702,7 +823,7 @@ int wc_Falcon_PrivateKeyDecode(const byte* input, word32* inOutIdx,
                                      falcon_key* key, word32 inSz)
 {
     int ret = 0;
-    byte privKey[FALCON_MAX_KEY_SIZE], pubKey[FALCON_MAX_PUB_KEY_SIZE];
+    byte privKey[FALCON_MAX_PRV_KEY_SIZE], pubKey[FALCON_MAX_PUB_KEY_SIZE];
     word32 privKeyLen = (word32)sizeof(privKey);
     word32 pubKeyLen = (word32)sizeof(pubKey);
     int keytype = 0;
diff --git a/wolfssl/wolfcrypt/cryptocb.h b/wolfssl/wolfcrypt/cryptocb.h
index 04548e386..759eec2a7 100644
--- a/wolfssl/wolfcrypt/cryptocb.h
+++ b/wolfssl/wolfcrypt/cryptocb.h
@@ -71,6 +71,13 @@
 #if defined(WOLFSSL_SHA512) || defined(WOLFSSL_SHA384)
     #include <wolfssl/wolfcrypt/sha512.h>
 #endif
+#if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
+    #include <wolfssl/wolfcrypt/dilithium.h>
+#endif
+#if defined(HAVE_PQC) && defined(HAVE_FALCON)
+    #include <wolfssl/wolfcrypt/falcon.h>
+#endif
+
 
 #ifdef WOLF_CRYPTO_CB_CMD
 /* CryptoCb Commands */
@@ -201,6 +208,39 @@ typedef struct wc_CryptoInfo {
                 byte         contextLen;
             } ed25519verify;
         #endif
+        #if defined(HAVE_PQC) && \
+            (defined(HAVE_FALCON) || defined(HAVE_DILITHIUM))
+            struct {
+                WC_RNG*     rng;
+                int         size;
+                void*       key;
+                int         type; /* enum wc_PqcSignatureType */
+            } pqc_sig_kg;
+            struct {
+                const byte* in;
+                word32      inlen;
+                byte*       out;
+                word32*     outlen;
+                WC_RNG*     rng;
+                void*       key;
+                int         type; /* enum wc_PqcSignatureType */
+            } pqc_sign;
+            struct {
+                const byte* sig;
+                word32      siglen;
+                const byte* msg;
+                word32      msglen;
+                int*        res;
+                void*       key;
+                int         type; /* enum wc_PqcSignatureType */
+            } pqc_verify;
+            struct {
+                void*       key;
+                const byte* pubKey;
+                word32      pubKeySz;
+                int         type; /* enum wc_PqcSignatureType */
+            } pqc_sig_check;
+        #endif
 #if HAVE_ANONYMOUS_INLINE_AGGREGATES
         };
 #endif
@@ -452,6 +492,22 @@ WOLFSSL_LOCAL int wc_CryptoCb_Ed25519Verify(const byte* sig, word32 sigLen,
     const byte* context, byte contextLen);
 #endif /* HAVE_ED25519 */
 
+#if defined(HAVE_PQC) && (defined(HAVE_FALCON) || defined(HAVE_DILITHIUM))
+WOLFSSL_LOCAL int wc_CryptoCb_PqcSigGetDevId(int type, void* key);
+
+WOLFSSL_LOCAL int wc_CryptoCb_MakePqcSignatureKey(WC_RNG* rng, int type,
+    int keySize, void* key);
+
+WOLFSSL_LOCAL int wc_CryptoCb_PqcSign(const byte* in, word32 inlen, byte* out,
+    word32 *outlen, WC_RNG* rng, int type, void* key);
+
+WOLFSSL_LOCAL int wc_CryptoCb_PqcVerify(const byte* sig, word32 siglen,
+    const byte* msg, word32 msglen, int* res, int type, void* key);
+
+WOLFSSL_LOCAL int wc_CryptoCb_PqcSignatureCheckPrivKey(void* key, int type,
+    const byte* pubKey, word32 pubKeySz);
+#endif /* HAVE_PQC && (HAVE_FALCON || HAVE_DILITHIUM) */
+
 #ifndef NO_AES
 #ifdef HAVE_AESGCM
 WOLFSSL_LOCAL int wc_CryptoCb_AesGcmEncrypt(Aes* aes, byte* out,
diff --git a/wolfssl/wolfcrypt/dilithium.h b/wolfssl/wolfcrypt/dilithium.h
index 2b5998ffd..5472d092e 100644
--- a/wolfssl/wolfcrypt/dilithium.h
+++ b/wolfssl/wolfcrypt/dilithium.h
@@ -31,6 +31,10 @@
 
 #include <wolfssl/wolfcrypt/types.h>
 
+#ifdef WOLF_CRYPTO_CB
+    #include <wolfssl/wolfcrypt/cryptocb.h>
+#endif
+
 #if defined(HAVE_PQC) && defined(HAVE_DILITHIUM)
 
 #ifdef HAVE_LIBOQS
@@ -61,17 +65,34 @@
 #define DILITHIUM_LEVEL5_PRV_KEY_SIZE (DILITHIUM_LEVEL5_PUB_KEY_SIZE+DILITHIUM_LEVEL5_KEY_SIZE)
 #endif
 
-#define DILITHIUM_MAX_KEY_SIZE     DILITHIUM_LEVEL5_PRV_KEY_SIZE
+#define DILITHIUM_MAX_KEY_SIZE     DILITHIUM_LEVEL5_KEY_SIZE
 #define DILITHIUM_MAX_SIG_SIZE     DILITHIUM_LEVEL5_SIG_SIZE
 #define DILITHIUM_MAX_PUB_KEY_SIZE DILITHIUM_LEVEL5_PUB_KEY_SIZE
 #define DILITHIUM_MAX_PRV_KEY_SIZE DILITHIUM_LEVEL5_PRV_KEY_SIZE
 
+#ifdef WOLF_PRIVATE_KEY_ID
+#define DILITHIUM_MAX_ID_LEN    32
+#define DILITHIUM_MAX_LABEL_LEN 32
+#endif
+
 /* Structs */
 
 struct dilithium_key {
     bool pubKeySet;
     bool prvKeySet;
     byte level; /* 2,3 or 5 */
+
+#ifdef WOLF_CRYPTO_CB
+    void* devCtx;
+    int   devId;
+#endif
+#ifdef WOLF_PRIVATE_KEY_ID
+    byte id[DILITHIUM_MAX_ID_LEN];
+    int  idLen;
+    char label[DILITHIUM_MAX_LABEL_LEN];
+    int  labelLen;
+#endif
+
     byte p[DILITHIUM_MAX_PUB_KEY_SIZE];
     byte k[DILITHIUM_MAX_PRV_KEY_SIZE];
 };
@@ -92,6 +113,19 @@ int wc_dilithium_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
 
 WOLFSSL_API
 int wc_dilithium_init(dilithium_key* key);
+
+WOLFSSL_API
+int wc_dilithium_init_ex(dilithium_key* key, void* heap, int devId);
+
+#ifdef WOLF_PRIVATE_KEY_ID
+WOLFSSL_API
+int wc_dilithium_init_id(dilithium_key* key, const unsigned char* id, int len,
+                         void* heap, int devId);
+WOLFSSL_API
+int wc_dilithium_init_label(dilithium_key* key, const char* label, void* heap,
+                            int devId);
+#endif
+
 WOLFSSL_API
 int wc_dilithium_set_level(dilithium_key* key, byte level);
 WOLFSSL_API
diff --git a/wolfssl/wolfcrypt/falcon.h b/wolfssl/wolfcrypt/falcon.h
index c444a302b..9d4bff8be 100644
--- a/wolfssl/wolfcrypt/falcon.h
+++ b/wolfssl/wolfcrypt/falcon.h
@@ -31,6 +31,10 @@
 
 #include <wolfssl/wolfcrypt/types.h>
 
+#ifdef WOLF_CRYPTO_CB
+    #include <wolfssl/wolfcrypt/cryptocb.h>
+#endif
+
 #if defined(HAVE_PQC) && defined(HAVE_FALCON)
 
 #ifdef HAVE_LIBOQS
@@ -56,17 +60,35 @@
 #define FALCON_LEVEL5_PRV_KEY_SIZE (FALCON_LEVEL5_PUB_KEY_SIZE+FALCON_LEVEL5_KEY_SIZE)
 #endif
 
-#define FALCON_MAX_KEY_SIZE     FALCON_LEVEL5_PRV_KEY_SIZE
+#define FALCON_MAX_KEY_SIZE     FALCON_LEVEL5_KEY_SIZE
 #define FALCON_MAX_SIG_SIZE     FALCON_LEVEL5_SIG_SIZE
 #define FALCON_MAX_PUB_KEY_SIZE FALCON_LEVEL5_PUB_KEY_SIZE
 #define FALCON_MAX_PRV_KEY_SIZE FALCON_LEVEL5_PRV_KEY_SIZE
 
+#ifdef WOLF_PRIVATE_KEY_ID
+#define FALCON_MAX_ID_LEN    32
+#define FALCON_MAX_LABEL_LEN 32
+#endif
+
+
 /* Structs */
 
 struct falcon_key {
     bool pubKeySet;
     bool prvKeySet;
     byte level;
+
+#ifdef WOLF_CRYPTO_CB
+    void* devCtx;
+    int   devId;
+#endif
+#ifdef WOLF_PRIVATE_KEY_ID
+    byte id[FALCON_MAX_ID_LEN];
+    int  idLen;
+    char label[FALCON_MAX_LABEL_LEN];
+    int  labelLen;
+#endif
+
     byte p[FALCON_MAX_PUB_KEY_SIZE];
     byte k[FALCON_MAX_PRV_KEY_SIZE];
 };
@@ -87,6 +109,19 @@ int wc_falcon_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
 
 WOLFSSL_API
 int wc_falcon_init(falcon_key* key);
+
+WOLFSSL_API
+int wc_falcon_init_ex(falcon_key* key, void* heap, int devId);
+
+#ifdef WOLF_PRIVATE_KEY_ID
+WOLFSSL_API
+int wc_falcon_init_id(falcon_key* key, const unsigned char* id, int len,
+                      void* heap, int devId);
+WOLFSSL_API
+int wc_falcon_init_label(falcon_key* key, const char* label, void* heap,
+                         int devId);
+#endif
+
 WOLFSSL_API
 int wc_falcon_set_level(falcon_key* key, byte level);
 WOLFSSL_API
diff --git a/wolfssl/wolfcrypt/types.h b/wolfssl/wolfcrypt/types.h
index 53d022161..1d2f72c20 100644
--- a/wolfssl/wolfcrypt/types.h
+++ b/wolfssl/wolfcrypt/types.h
@@ -1169,9 +1169,36 @@ typedef struct w64wrapper {
         WC_PK_TYPE_ED25519_KEYGEN = 15,
         WC_PK_TYPE_CURVE25519_KEYGEN = 16,
         WC_PK_TYPE_RSA_GET_SIZE = 17,
-        WC_PK_TYPE_MAX = WC_PK_TYPE_RSA_GET_SIZE
+        #define _WC_PK_TYPE_MAX WC_PK_TYPE_RSA_GET_SIZE
+    #if defined(HAVE_PQC) && (defined(HAVE_DILITHIUM) || defined(HAVE_FALCON))
+        WC_PK_TYPE_PQC_SIG_KEYGEN = 18,
+        WC_PK_TYPE_PQC_SIG_SIGN = 19,
+        WC_PK_TYPE_PQC_SIG_VERIFY = 20,
+        WC_PK_TYPE_PQC_SIG_CHECK_PRIV_KEY = 21,
+        #undef _WC_PK_TYPE_MAX
+        #define _WC_PK_TYPE_MAX WC_PK_TYPE_PQC_SIG_CHECK_PRIV_KEY
+    #endif
+        WC_PK_TYPE_MAX = _WC_PK_TYPE_MAX
     };
 
+    #if defined(HAVE_PQC)
+    /* Post quantum signature algorithms */
+    enum wc_PqcSignatureType {
+        WC_PQC_SIG_TYPE_NONE = 0,
+        #define _WC_PQC_SIG_TYPE_MAX WC_PQC_SIG_TYPE_NONE
+    #if defined(HAVE_DILITHIUM)
+        WC_PQC_SIG_TYPE_DILITHIUM = 1,
+        #undef _WC_PQC_SIG_TYPE_MAX
+        #define _WC_PQC_SIG_TYPE_MAX WC_PQC_SIG_TYPE_DILITHIUM
+    #endif
+    #if defined(HAVE_FALCON)
+        WC_PQC_SIG_TYPE_FALCON = 2,
+        #undef _WC_PQC_SIG_TYPE_MAX
+        #define _WC_PQC_SIG_TYPE_MAX WC_PQC_SIG_TYPE_FALCON
+    #endif
+        WC_PQC_SIG_TYPE_MAX = _WC_PQC_SIG_TYPE_MAX
+    };
+    #endif
 
     /* settings detection for compile vs runtime math incompatibilities */
     enum {