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OSSL_DECODER 'decode' function must never be NULL.

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The conditions for a valid implementation allowed the 'decode'
function to be NULL or the 'export_object' was NULL.  That condition
is changed so that 'decode' is checked to be non-NULL by itself.

Fixes #12819

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12849)
This commit is contained in:
Richard Levitte 2020-09-10 13:50:54 +02:00
parent c88f6f0e40
commit c1aba0763c
1 changed files with 1 additions and 1 deletions
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2
crypto/encode_decode/decoder_meth.c
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@ -215,7 +215,7 @@ void *ossl_decoder_from_dispatch(int id, const OSSL_ALGORITHM *algodef,
*/
if (!((decoder->newctx == NULL && decoder->freectx == NULL)
|| (decoder->newctx != NULL && decoder->freectx != NULL))
|| (decoder->decode == NULL && decoder->export_object == NULL)) {
|| decoder->decode == NULL) {
OSSL_DECODER_free(decoder);
ERR_raise(ERR_LIB_OSSL_DECODER, ERR_R_INVALID_PROVIDER_FUNCTIONS);
return NULL;