diff options
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/param_build.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/param_build.c b/crypto/param_build.c index d5597c19fa..73ec3d3534 100644 --- a/crypto/param_build.c +++ b/crypto/param_build.c @@ -223,6 +223,10 @@ int OSSL_PARAM_BLD_push_BN_pad(OSSL_PARAM_BLD *bld, const char *key, } if (BN_get_flags(bn, BN_FLG_SECURE) == BN_FLG_SECURE) secure = 1; + + /* The BIGNUM is zero, we must transfer at least one byte */ + if (sz == 0) + sz++; } pd = param_push(bld, key, sz, sz, OSSL_PARAM_UNSIGNED_INTEGER, secure); if (pd == NULL) |