4104267e81
It was possible for some NFC DH generation error paths to leak memory since the old private/public key was not freed if an allocation failed. Signed-off-by: Jouni Malinen <j@w1.fi>
41 lines
806 B
C
41 lines
806 B
C
/*
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* Diffie-Hellman group 5 operations
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* Copyright (c) 2009, 2012, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "dh_groups.h"
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#include "dh_group5.h"
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void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
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{
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wpabuf_free(*publ);
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*publ = dh_init(dh_groups_get(5), priv);
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if (*publ == NULL)
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return NULL;
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return (void *) 1;
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}
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void * dh5_init_fixed(const struct wpabuf *priv, const struct wpabuf *publ)
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{
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return (void *) 1;
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}
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struct wpabuf * dh5_derive_shared(void *ctx, const struct wpabuf *peer_public,
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const struct wpabuf *own_private)
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{
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return dh_derive_shared(peer_public, own_private, dh_groups_get(5));
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}
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void dh5_free(void *ctx)
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{
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}
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