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Updated the DH parameter initialization path to use legacy direct DH field assignment only on OpenSSL versions older than 1.1.0 (and non-LibreSSL), and otherwise always use DH_set0_pqg, which avoids opaque-struct access errors on OpenSSL 3.x.

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Updated DH key extraction in dh1080_generate_key to use legacy direct member reads only for truly old OpenSSL, and DH_get0_key for modern OpenSSL, preventing dh->pub_key/dh->priv_key compile failures.

    Updated private-key injection in dh1080_compute_key to use DH_set0_key(dh, NULL, priv_key_num) on modern OpenSSL, removing the prior unnecessary temporary public-key allocation and avoiding direct dh->priv_key access.
This commit is contained in:
deepend
2026-02-19 11:27:30 -07:00
parent c3c5731a58
commit 98208cbc44
1 changed files with 4 additions and 7 deletions
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11
plugins/fishlim/dh1080.c
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@@ -75,7 +75,7 @@ dh1080_init (void)
BN_set_word (g, 2);
#ifndef HAVE_DH_SET0_PQG
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
g_dh->p = p;
g_dh->g = g;
#else
@@ -163,7 +163,7 @@ dh1080_generate_key (char **priv_key, char **pub_key)
return 0;
}
#ifndef HAVE_DH_GET0_KEY
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
dh_pub_key = dh->pub_key;
dh_priv_key = dh->priv_key;
#else
@@ -190,9 +190,6 @@ dh1080_compute_key (const char *priv_key, const char *pub_key, char **secret_key
gsize pub_key_len;
BIGNUM *pk;
DH *dh;
#ifdef HAVE_DH_SET0_KEY
BIGNUM *temp_pub_key = BN_new();
#endif
g_assert (secret_key != NULL);
@@ -217,10 +214,10 @@ dh1080_compute_key (const char *priv_key, const char *pub_key, char **secret_key
priv_key_data = dh1080_decode_b64 (priv_key, &priv_key_len);
priv_key_num = BN_bin2bn(priv_key_data, priv_key_len, NULL);
#ifndef HAVE_DH_SET0_KEY
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
dh->priv_key = priv_key_num;
#else
DH_set0_key (dh, temp_pub_key, priv_key_num);
DH_set0_key (dh, NULL, priv_key_num);
#endif
shared_len = DH_compute_key (shared_key, pk, dh);