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Diffstat (limited to 'ext')
-rw-r--r--ext/openssl/ossl_bn.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/openssl/ossl_bn.c b/ext/openssl/ossl_bn.c
index 5d690af52d..822b854efe 100644
--- a/ext/openssl/ossl_bn.c
+++ b/ext/openssl/ossl_bn.c
@@ -119,11 +119,11 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
if (rb_scan_args(argc, argv, "11", &str, &bs) == 2) {
base = NUM2INT(bs);
}
- StringValue(str);
- GetBN(self, bn);
+
if (RTEST(rb_obj_is_kind_of(str, cBN))) {
BIGNUM *other;
+ GetBN(self, bn);
GetBN(str, other); /* Safe - we checked kind_of? above */
if (!BN_copy(bn, other)) {
ossl_raise(eBNError, NULL);
@@ -131,6 +131,8 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
return self;
}
+ StringValue(str);
+ GetBN(self, bn);
switch (base) {
case 0:
if (!BN_mpi2bn((unsigned char *)RSTRING_PTR(str), RSTRING_LENINT(str), bn)) {