diff --git a/include/mbedtls/psa_util.h b/include/mbedtls/psa_util.h
index 224432e..d9f1be4 100644
--- a/include/mbedtls/psa_util.h
+++ b/include/mbedtls/psa_util.h
@@ -40,6 +40,7 @@
 
 #include "ecp.h"
 #include "md.h"
+#include "pk.h"
 
 /* Slot allocation */
 
@@ -228,6 +229,31 @@
     }
 }
 
+/* Translations for PK layer */
+
+static inline int mbedtls_psa_err_translate_pk( psa_status_t status )
+{
+    switch( status )
+    {
+        case PSA_SUCCESS:
+            return( 0 );
+        case PSA_ERROR_NOT_SUPPORTED:
+            return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+        case PSA_ERROR_INSUFFICIENT_MEMORY:
+            return( MBEDTLS_ERR_PK_ALLOC_FAILED );
+        case PSA_ERROR_COMMUNICATION_FAILURE:
+        case PSA_ERROR_HARDWARE_FAILURE:
+        case PSA_ERROR_TAMPERING_DETECTED:
+            return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+        case PSA_ERROR_INSUFFICIENT_ENTROPY:
+            return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
+        case PSA_ERROR_BAD_STATE:
+            return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+        default: /* should never happen */
+            return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+    }
+}
+
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
 #endif /* MBEDTLS_PSA_COMPAT_H */