diff options
| author | Matt Caswell <matt@openssl.org> | 2020-09-03 11:50:30 +0100 |
|---|---|---|
| committer | Tomas Mraz <tmraz@fedoraproject.org> | 2020-09-10 11:35:42 +0200 |
| commit | 3101ab603cd82cdbc81de0902b2b4718e8f1279b (patch) | |
| tree | 02647b1a149bc52bd9973534eac593dc0744fe74 /include | |
| parent | b830e0042972a237c6677c071f1fcde5c1afbea7 (diff) | |
Fix an EVP_MD_CTX leak
If we initialise an EVP_MD_CTX with a legacy MD, and then reuse the same
EVP_MD_CTX with a provided MD then we end up leaking the md_data.
We need to ensure we free the md_data if we change to a provided MD.
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12779)
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/evp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/crypto/evp.h b/include/crypto/evp.h index 9d9b0a7298..bdff97f639 100644 --- a/include/crypto/evp.h +++ b/include/crypto/evp.h @@ -808,3 +808,5 @@ int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx); void evp_method_store_flush(OPENSSL_CTX *libctx); int evp_set_default_properties_int(OPENSSL_CTX *libctx, const char *propq, int loadconfig); + +void evp_md_ctx_clear_digest(EVP_MD_CTX *ctx, int force); |