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-rw-r--r--fuzz/u2f_fuzz.cc7
1 files changed, 4 insertions, 3 deletions
diff --git a/fuzz/u2f_fuzz.cc b/fuzz/u2f_fuzz.cc
index dfb46c966a..0c1a682375 100644
--- a/fuzz/u2f_fuzz.cc
+++ b/fuzz/u2f_fuzz.cc
@@ -30,9 +30,10 @@ int system_get_chip_unique_id(uint8_t **id)
/******************************************************************************/
/* Mock implementations of Dcrypto functionality.
*/
-int DCRYPTO_x509_gen_u2f_cert_name(const p256_int *d, const p256_int *pk_x,
- const p256_int *pk_y, const p256_int *serial,
- const char *name, uint8_t *cert, const int n)
+size_t DCRYPTO_x509_gen_u2f_cert_name(const p256_int *d, const p256_int *pk_x,
+ const p256_int *pk_y,
+ const p256_int *serial, const char *name,
+ uint8_t *cert, const size_t n)
{
memset(cert, 1, n);
return n;