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template_kem.c: Check outlen before dereferencing it 

Fixes Coverity 1633353, 1633356, 1633357

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/26522)
This commit is contained in:
Tomas Mraz 2025-01-22 16:55:35 +01:00
parent bd0a2e0c1e
commit 2581ff619b
1 changed files with 4 additions and 2 deletions
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6
providers/implementations/kem/template_kem.c
View File

@ -143,7 +143,8 @@ static int template_encapsulate(void *vctx, unsigned char *out, size_t *outlen,
*secretlen = 0; /* replace with real shared secret length */
if (out == NULL) {
debug_print("encaps outlens set to %d and %d\n", *outlen, *secretlen);
if (outlen != NULL && secretlen != NULL)
debug_print("encaps outlens set to %d and %d\n", *outlen, *secretlen);
return 1;
}
@ -164,7 +165,8 @@ static int template_decapsulate(void *vctx, unsigned char *out, size_t *outlen,
*outlen = 0; /* replace with shared secret length */
if (out == NULL) {
debug_print("decaps outlen set to %d \n", *outlen);
if (outlen != NULL)
debug_print("decaps outlen set to %d \n", *outlen);
return 1;
}