When allocating ablkcipher/hash objects, we use a mask that's wider than
the usual type mask. This patch sanitises the mask supplied by the user
so we don't end up using a narrower mask which may lead to unintended
results.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_HASH;
mask |= CRYPTO_ALG_TYPE_HASH_MASK;
type |= CRYPTO_ALG_TYPE_HASH;
mask |= CRYPTO_ALG_TYPE_HASH_MASK;
static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_HASH;
mask |= CRYPTO_ALG_TYPE_HASH_MASK;
type |= CRYPTO_ALG_TYPE_HASH;
mask |= CRYPTO_ALG_TYPE_HASH_MASK;