SUCI Subscription Concealed Identifier
SUCI的组成：
SUPI Type + Home Network Identifier +
Routing Indicator +
Protection Scheme Identifier +
Home Network Public Key Identifier +
Scheme Output
Scheme Output的组成：
null-scheme的方案输出：MSIN
Scheme Profile A的输出：
The ECC ephemeral public key is formatted as 64 hexadecimal digits, which allows to encode 256 bits.
The ciphertext value is formatted as a variable length of hexadecimal digits.
The MAC tag value is formatted as 16 hexadecimal digits, which allows to encode 64 bits.
IMSI的组成：
MCC(3)+ MNC(2) + MSIN(10)
Mobile Country Code (MCC) consisting of three digits
Mobile Network Code (MNC) consisting of two or three digits for 3GPP network applications
Mobile Subscriber Identification Number (MSIN) identifying the mobile subscription within a PLMN