diff options
Diffstat (limited to 'crypto/sig.c')
| -rw-r--r-- | crypto/sig.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/crypto/sig.c b/crypto/sig.c index dfc7cae90802..beba745b6405 100644 --- a/crypto/sig.c +++ b/crypto/sig.c @@ -74,6 +74,7 @@ static const struct crypto_type crypto_sig_type = { .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_SIG, .tfmsize = offsetof(struct crypto_sig, base), + .algsize = offsetof(struct sig_alg, base), }; struct crypto_sig *crypto_alloc_sig(const char *alg_name, u32 type, u32 mask) @@ -102,6 +103,11 @@ static int sig_default_set_key(struct crypto_sig *tfm, return -ENOSYS; } +static unsigned int sig_default_size(struct crypto_sig *tfm) +{ + return DIV_ROUND_UP_POW2(crypto_sig_keysize(tfm), BITS_PER_BYTE); +} + static int sig_prepare_alg(struct sig_alg *alg) { struct crypto_alg *base = &alg->base; @@ -117,9 +123,9 @@ static int sig_prepare_alg(struct sig_alg *alg) if (!alg->key_size) return -EINVAL; if (!alg->max_size) - alg->max_size = alg->key_size; + alg->max_size = sig_default_size; if (!alg->digest_size) - alg->digest_size = alg->key_size; + alg->digest_size = sig_default_size; base->cra_type = &crypto_sig_type; base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; |