diff --git a/src/libopensc/pkcs15-cert.c b/src/libopensc/pkcs15-cert.c
index 20c19497..5248fd2f 100644
--- a/src/libopensc/pkcs15-cert.c
+++ b/src/libopensc/pkcs15-cert.c
@@ -30,7 +30,7 @@
 #endif
 #include <assert.h>
 
-static int parse_x509_cert(sc_context_t *ctx, const u8 *buf, size_t buflen, struct sc_pkcs15_cert *cert)
+int parse_x509_cert(sc_context_t *ctx, const u8 *buf, size_t buflen, struct sc_pkcs15_cert *cert)
 {
 	int r;
 	struct sc_algorithm_id pk_alg, sig_alg;
diff --git a/src/libopensc/pkcs15.h b/src/libopensc/pkcs15.h
index ac2f420b..d76aa6aa 100644
--- a/src/libopensc/pkcs15.h
+++ b/src/libopensc/pkcs15.h
@@ -447,6 +447,8 @@ void sc_pkcs15_free_data_object(struct sc_pkcs15_data *data_object);
 int sc_pkcs15_read_certificate(struct sc_pkcs15_card *card,
 			       const struct sc_pkcs15_cert_info *info,
 			       struct sc_pkcs15_cert **cert);
+int parse_x509_cert(sc_context_t *ctx, const u8 *buf, size_t buflen,
+		    struct sc_pkcs15_cert *cert);
 void sc_pkcs15_free_certificate(struct sc_pkcs15_cert *cert);
 int sc_pkcs15_find_cert_by_id(struct sc_pkcs15_card *card,
 			      const struct sc_pkcs15_id *id,