crypto

func CheckPass ¶

func CheckPass(ps string, id int, perms int) bool

CheckPass takes argument ps(string),id(int), perms(int). Where: ps is the password in string form, id is the id of the post and perms is the post permissions it returns a bool based on it's success

func EncryptBytes ¶

func EncryptBytes(b []byte, key *[32]byte) (ct []byte, err error)

EncryptBytes is used to encrypt bytes with a key, pretty self-explanatory.. takes a byte slice b and a pointer to a 32 byte array key returns a byte slice (ct) and a error (err)

func GetEncKey ¶

func GetEncKey(post *model.Post) (key [32]byte)

GetEncKey gets the encryption key used for the file by decrypting the stored-key with the passord scrypt-hash takes a pointer to model.Post as the only argument

and returns a 32 length byte array

func GetToken ¶

func GetToken() string

GetToken generates a random token used to prefent CSRF attacks

func RequestDecrypt ¶

func RequestDecrypt(post *model.Post) bool

RequestDecrypt decrypts the post if the field post.Crypto.Hash is the correct password. It takes a pointer to the model.Post as the only argument and returns a bool based on if the post is successfully decrypted

func SecurePost ¶

func SecurePost(post *model.Post, pass string)

SecurePost generates a secure post for a unencrypted post. encryption varies based upon PostPerms takes a pointer to model.Post and a unencrypted password-string as arguments returns nothing