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| author | Vitaly Chikunov <vt@altlinux.org> | 2018-08-11 07:57:38 +0300 |
|---|---|---|
| committer | Vitaly Chikunov <vt@altlinux.org> | 2018-09-03 21:26:35 +0300 |
| commit | c66825ad2610bd2bb42f9fe89156803a4235089f (patch) | |
| tree | 78ee705bed25513de46a2d85eb4919ee9393de28 /gost_grasshopper_cipher.c | |
| parent | 982807c016a84de0dfac220c08871f1ae273e2c2 (diff) | |
| download | gost-engine-c66825ad2610bd2bb42f9fe89156803a4235089f.zip gost-engine-c66825ad2610bd2bb42f9fe89156803a4235089f.tar.gz gost-engine-c66825ad2610bd2bb42f9fe89156803a4235089f.tar.bz2 | |
Allow double calling of gost_grasshopper_cipher_cleanup()
Diffstat (limited to 'gost_grasshopper_cipher.c')
| -rw-r--r-- | gost_grasshopper_cipher.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gost_grasshopper_cipher.c b/gost_grasshopper_cipher.c index e78fae7..a482a39 100644 --- a/gost_grasshopper_cipher.c +++ b/gost_grasshopper_cipher.c @@ -604,6 +604,10 @@ int gost_grasshopper_cipher_do_cfb(EVP_CIPHER_CTX* ctx, unsigned char* out, int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx) { gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx); + + if (!c) + return 1; + struct GRASSHOPPER_CIPHER_PARAMS* params = &gost_cipher_params[c->type]; gost_grasshopper_cipher_destroy(c); |