diff --git a/oqsprov/oqsprov_keys.c b/oqsprov/oqsprov_keys.c
index 5f2bd671..cdad0901 100644
--- a/oqsprov/oqsprov_keys.c
+++ b/oqsprov/oqsprov_keys.c
@@ -525,11 +525,15 @@ static const OQSX_EVP_INFO nids_sig[] = {
 };
 // These two array need to stay synced:
 // note only leading 4 chars of alg name are checked
-static const char *OQSX_ECP_NAMES[] = {"p256", "p384", "p521", 0};
+static const char *OQSX_ECP_NAMES[] = {"p256", "p384", "p521", "SecP256r1", "SecP384r1", "SecP521r1", 0};
 static const OQSX_EVP_INFO nids_ecp[] = {
     {EVP_PKEY_EC, NID_X9_62_prime256v1, 0, 65, 121, 32, 0}, // 128 bit
     {EVP_PKEY_EC, NID_secp384r1, 0, 97, 167, 48, 0},        // 192 bit
-    {EVP_PKEY_EC, NID_secp521r1, 0, 133, 223, 66, 0}        // 256 bit
+    {EVP_PKEY_EC, NID_secp521r1, 0, 133, 223, 66, 0},       // 256 bit
+    {EVP_PKEY_EC, NID_X9_62_prime256v1, 0, 65, 121, 32, 0}, // 128 bit
+    {EVP_PKEY_EC, NID_secp384r1, 0, 97, 167, 48, 0},        // 192 bit
+    {EVP_PKEY_EC, NID_secp521r1, 0, 133, 223, 66, 0},       // 256 bit
+    {0, 0, 0, 0, 0, 0, 0}                                   // 256 bit
 };
 
 // These two array need to stay synced:
@@ -610,12 +614,13 @@ static int oqsx_hybsig_init(int bit_security, OQSX_EVP_CTX *evp_ctx,
 static const int oqshybkem_init_ecp(char *tls_name, OQSX_EVP_CTX *evp_ctx) {
     int ret = 1;
     int idx = 0;
+    
     while (idx < OSSL_NELEM(OQSX_ECP_NAMES)) {
-        if (!strncmp(tls_name, OQSX_ECP_NAMES[idx], 4))
+        if (!strncmp(tls_name, OQSX_ECP_NAMES[idx], (idx < 3) ? 4 : 7))
             break;
         idx++;
     }
-    ON_ERR_GOTO(idx < 0 || idx > 2, err_init_ecp);
+    ON_ERR_GOTO(idx < 0 || idx > 6, err_init_ecp);
 
     evp_ctx->evp_info = &nids_ecp[idx];
 
@@ -645,7 +650,7 @@ static const int oqshybkem_init_ecx(char *tls_name, OQSX_EVP_CTX *evp_ctx) {
             break;
         idx++;
     }
-    ON_ERR_GOTO(idx < 0 || idx > 2, err_init_ecx);
+    ON_ERR_GOTO(idx < 0 || idx > 4, err_init_ecx);
 
     evp_ctx->evp_info = &nids_ecx[idx];