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Diffstat (limited to 'src/lib/libcrypto/dsa/dsa_key.c')
-rw-r--r--src/lib/libcrypto/dsa/dsa_key.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/src/lib/libcrypto/dsa/dsa_key.c b/src/lib/libcrypto/dsa/dsa_key.c
index 4732c471ed..fc4eb9c433 100644
--- a/src/lib/libcrypto/dsa/dsa_key.c
+++ b/src/lib/libcrypto/dsa/dsa_key.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: dsa_key.c,v 1.21 2016/06/21 04:16:53 bcook Exp $ */ 1/* $OpenBSD: dsa_key.c,v 1.22 2016/06/30 02:02:06 bcook Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
@@ -104,18 +104,12 @@ dsa_builtin_keygen(DSA *dsa)
104 pub_key=dsa->pub_key; 104 pub_key=dsa->pub_key;
105 105
106 { 106 {
107 BIGNUM *prk = BN_new(); 107 BIGNUM prk;
108 108
109 if (prk == NULL) 109 BN_with_flags(&prk, priv_key, BN_FLG_CONSTTIME);
110 goto err;
111
112 BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME);
113 110
114 if (!BN_mod_exp(pub_key, dsa->g, prk, dsa->p, ctx)) { 111 if (!BN_mod_exp(pub_key, dsa->g, &prk, dsa->p, ctx))
115 BN_free(prk);
116 goto err; 112 goto err;
117 }
118 BN_free(prk);
119 } 113 }
120 114
121 dsa->priv_key = priv_key; 115 dsa->priv_key = priv_key;