Expose mbedtls/psa curve identifier conversions from psa_crypto.c
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 8fc021a..79db686 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -375,8 +375,8 @@
 #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
 
 #if defined(MBEDTLS_ECP_C)
-static psa_ecc_curve_t mbedtls_ecc_group_to_psa( mbedtls_ecp_group_id grpid,
-                                                 size_t *bits )
+psa_ecc_curve_t mbedtls_ecc_group_to_psa( mbedtls_ecp_group_id grpid,
+                                          size_t *bits )
 {
     switch( grpid )
     {
@@ -424,8 +424,8 @@
     }
 }
 
-static mbedtls_ecp_group_id mbedtls_ecc_group_of_psa( psa_ecc_curve_t curve,
-                                                      size_t byte_length )
+mbedtls_ecp_group_id mbedtls_ecc_group_of_psa( psa_ecc_curve_t curve,
+                                               size_t byte_length )
 {
     (void) byte_length;
     switch( curve )