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Fix memory leaks of bignums when openssl >= 3.0

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The openssl 3.0 support has introduced some memory leaks at key build as
OSSL_PARAM_BLD_push_BN duplicates the bignum and does not save the pointer
itself.

Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
(cherry picked from commit 4cd58350a8)
This commit is contained in:
Norbert Pocs
2022-11-18 17:22:46 +01:00
committed by Andreas Schneider
parent 54a3da64ad
commit 4aeb685b04
3 changed files with 152 additions and 142 deletions
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include/libssh/dh.h
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@@ -57,7 +57,7 @@ int ssh_dh_keypair_get_keys(struct dh_ctx *ctx, int peer,
bignum *priv, bignum *pub);
#endif /* OPENSSL_VERSION_NUMBER */
int ssh_dh_keypair_set_keys(struct dh_ctx *ctx, int peer,
const bignum priv, const bignum pub);
bignum priv, bignum pub);
int ssh_dh_compute_shared_secret(struct dh_ctx *ctx, int local, int remote,
bignum *dest);