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-rw-r--r--src/dh.c9
-rw-r--r--src/pki_crypto.c4
2 files changed, 11 insertions, 2 deletions
diff --git a/src/dh.c b/src/dh.c
index 3c2e5adb..84355d48 100644
--- a/src/dh.c
+++ b/src/dh.c
@@ -407,6 +407,15 @@ bignum make_string_bn(ssh_string string){
return bn;
}
+void make_string_bn_inplace(ssh_string string, bignum bnout) {
+ unsigned int len = ssh_string_len(string);
+#ifdef HAVE_LIBGCRYPT
+ #error "unsupported"
+#elif defined HAVE_LIBCRYPTO
+ bignum_bin2bn(string->data, len, bnout);
+#endif
+}
+
ssh_string dh_get_e(ssh_session session) {
return make_bignum_string(session->next_crypto->e);
}
diff --git a/src/pki_crypto.c b/src/pki_crypto.c
index 5e2585da..39742817 100644
--- a/src/pki_crypto.c
+++ b/src/pki_crypto.c
@@ -1397,7 +1397,7 @@ ssh_signature pki_signature_from_blob(const ssh_key pubkey,
ssh_print_hexa("r", ssh_string_data(r), ssh_string_len(r));
#endif
- sig->ecdsa_sig->r = make_string_bn(r);
+ make_string_bn_inplace(r, sig->ecdsa_sig->r);
ssh_string_burn(r);
ssh_string_free(r);
if (sig->ecdsa_sig->r == NULL) {
@@ -1418,7 +1418,7 @@ ssh_signature pki_signature_from_blob(const ssh_key pubkey,
ssh_print_hexa("s", ssh_string_data(s), ssh_string_len(s));
#endif
- sig->ecdsa_sig->s = make_string_bn(s);
+ make_string_bn_inplace(s, sig->ecdsa_sig->s);
ssh_string_burn(s);
ssh_string_free(s);
if (sig->ecdsa_sig->s == NULL) {