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-rw-r--r--include/openssl/ec.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index a24bee0e9c..ed2161dab0 100644
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -1078,6 +1078,8 @@ const BIGNUM *ECDSA_SIG_get0_s(const ECDSA_SIG *sig);
/** Setter for r and s fields of ECDSA_SIG
* \param sig pointer to ECDSA_SIG structure
+ * \param r pointer to BIGNUM for r (may be NULL)
+ * \param s pointer to BIGNUM for s (may be NULL)
*/
int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);