1 files changed, 6 insertions, 0 deletions
diff --git a/src/crypto/bn/convert.c b/src/crypto/bn/convert.c
index 0122709..1f7af64 100644
--- a/src/crypto/bn/convert.c
+++ b/src/crypto/bn/convert.c
@@ -63,6 +63,7 @@
 #include <string.h>
 
 #include <openssl/bio.h>
+#include <openssl/bytestring.h>
 #include <openssl/err.h>
 #include <openssl/mem.h>
 
@@ -195,6 +196,11 @@ int BN_bn2bin_padded(uint8_t *out, size_t len, const BIGNUM *in) {
   return 1;
 }
 
+int BN_bn2cbb_padded(CBB *out, size_t len, const BIGNUM *in) {
+  uint8_t *ptr;
+  return CBB_add_space(out, &ptr, len) && BN_bn2bin_padded(ptr, len, in);
+}
+
 static const char hextable[] = "0123456789abcdef";
 
 char *BN_bn2hex(const BIGNUM *bn) {