integrity: support EC-RDSA signatures for asymmetric_verify

Allow to use EC-RDSA signatures for IMA by determining signature type by
the hash algorithm name. This works good for EC-RDSA since Streebog and
EC-RDSA should always be used together.

Cc: Mimi Zohar <>
Cc: Dmitry Kasatkin <>
Signed-off-by: Vitaly Chikunov <>
Reviewed-by: Mimi Zohar <>
Signed-off-by: Herbert Xu <>
1 file changed