diff options
| author | Richard Levitte <levitte@openssl.org> | 2018-05-31 11:12:34 +0200 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2018-05-31 12:03:20 +0200 |
| commit | 5eb774324a14b03835020bb3ae2e1c6c92515db0 (patch) | |
| tree | e7c715d9081f26407fd9822962e241fa538622a1 /crypto/engine | |
| parent | 5f49783c12e9e6100075e50fe727ee2d5cc30445 (diff) | |
ENGINE_pkey_asn1_find_str(): don't assume an engine implements ASN1 method
Just because an engine implements algorithm methods, that doesn't mean
it also implements the ASN1 method. Therefore, be careful when looking
for an ASN1 method among all engines, don't try to use one that doesn't
exist.
Fixes #6381
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6383)
(cherry picked from commit 1ac3cd6277f880fac4df313702d5e3b3814e56e2)
(cherry picked from commit 13b578ada3106a4ce9b836f167ee520539f5fa8f)
Diffstat (limited to 'crypto/engine')
| -rw-r--r-- | crypto/engine/tb_asnmth.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/engine/tb_asnmth.c b/crypto/engine/tb_asnmth.c index bc6e91ccab..ae99a37c3a 100644 --- a/crypto/engine/tb_asnmth.c +++ b/crypto/engine/tb_asnmth.c @@ -171,7 +171,8 @@ static void look_str_cb(int nid, STACK_OF(ENGINE) *sk, ENGINE *def, void *arg) ENGINE *e = sk_ENGINE_value(sk, i); EVP_PKEY_ASN1_METHOD *ameth; e->pkey_asn1_meths(e, &ameth, NULL, nid); - if (((int)strlen(ameth->pem_str) == lk->len) + if (ameth != NULL + && ((int)strlen(ameth->pem_str) == lk->len) && strncasecmp(ameth->pem_str, lk->str, lk->len) == 0) { lk->e = e; lk->ameth = ameth; |