diff --git a/ctaocrypt/src/asn.c b/ctaocrypt/src/asn.c
index 20d816264..96a06b937 100644
--- a/ctaocrypt/src/asn.c
+++ b/ctaocrypt/src/asn.c
@@ -1237,6 +1237,36 @@ int RsaPublicKeyDecode(const byte* input, word32* inOutIdx, RsaKey* key,
     return 0;
 }
 
+int RsaPublicKeyDecodeRaw(const byte* n, word32 nSz, const byte* e, word32 eSz,
+                          RsaKey* key)
+{
+    if (n == NULL || e == NULL || key == NULL)
+        return BAD_FUNC_ARG;
+
+    key->type = RSA_PUBLIC;
+
+    if (mp_init(&key->n) != MP_OKAY)
+        return MP_INIT_E;
+
+    if (mp_read_unsigned_bin(&key->n, n, nSz) != 0) {
+        mp_clear(&key->n);
+        return ASN_GETINT_E;
+    }
+
+    if (mp_init(&key->e) != MP_OKAY) {
+        mp_clear(&key->n);
+        return MP_INIT_E;
+    }
+
+    if (mp_read_unsigned_bin(&key->e, e, eSz) != 0) {
+        mp_clear(&key->n);
+        mp_clear(&key->e);
+        return ASN_GETINT_E;
+    }
+
+    return 0;
+}
+
 #endif
 
 #ifndef NO_DH
diff --git a/cyassl/ctaocrypt/rsa.h b/cyassl/ctaocrypt/rsa.h
index 3fee36207..d9bb2a12a 100644
--- a/cyassl/ctaocrypt/rsa.h
+++ b/cyassl/ctaocrypt/rsa.h
@@ -82,6 +82,8 @@ CYASSL_API int RsaPrivateKeyDecode(const byte* input, word32* inOutIdx, RsaKey*,
                                    word32);
 CYASSL_API int RsaPublicKeyDecode(const byte* input, word32* inOutIdx, RsaKey*,
                                   word32);
+CYASSL_API int RsaPublicKeyDecodeRaw(const byte* n, word32 nSz, const byte* e,
+                                     word32 eSz, RsaKey* key);
 CYASSL_API int RsaFlattenPublicKey(RsaKey*, byte*, word32*, byte*, word32*);
 
 #ifdef CYASSL_KEY_GEN