`sig
val rsa_with_sha1 : Netx509_pubkey.sign_alg
val rsa_with_sha224 : Netx509_pubkey.sign_alg
val rsa_with_sha256 : Netx509_pubkey.sign_alg
val rsa_with_sha384 : Netx509_pubkey.sign_alg
val rsa_with_sha512 : Netx509_pubkey.sign_alg
val rsassa_pss :
hash_function:Netx509_pubkey.hash_function ->
maskgen_function:Netx509_pubkey.maskgen_function ->
salt_length:int -> Netx509_pubkey.sign_alg
val dsa_with_sha1 : Netx509_pubkey.sign_alg
val dsa_with_sha224 : Netx509_pubkey.sign_alg
val dsa_with_sha256 : Netx509_pubkey.sign_alg
val ecdsa_with_sha1 : Netx509_pubkey.sign_alg
val ecdsa_with_sha224 : Netx509_pubkey.sign_alg
val ecdsa_with_sha256 : Netx509_pubkey.sign_alg
val ecdsa_with_sha384 : Netx509_pubkey.sign_alg
val ecdsa_with_sha512 : Netx509_pubkey.sign_alg
val eddsa : Netx509_pubkey.sign_alg
val catalog :
(string * string list * Netx509_pubkey.sign_alg * Netx509_pubkey.oid)
list
val alg_id_of_sign_alg : Netx509_pubkey.sign_alg -> Netx509_pubkey.alg_id
val key_oid_of_sign_alg : Netx509_pubkey.sign_alg -> Netx509_pubkey.oid
end`