this example is based on gmssl(http://gmssl.org/) using GB data。
p(hex form): FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF
a(hex form): FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC
b(hex form): 28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93
xG(hex form): 32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7
yG(hex form): BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0
n(hex form): FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123
dA(hex form): 3945208F7B2144B13F36E38AC6D39F95889393692860B51A42FB81EF4DF7C5B8
xA(hex form): 09F9DF311E5421A150DD7D161E4BC5C672179FAD1833FC076BB08FF356F35020
yA(hex form): CCEA490CE26775A52DC6EA718CC1AA600AED05FBF35E084A6632F6072DA9AD13
ZA(hex form): B2E14C5C79C6DF5B85F4FE7ED8DB7A262B9DA7E07CCB0EA9F4747B8CCDA8A4F3
id: 1234567812345678
msg: message digest
e(hex form): F0B43E94BA45ACCAACE692ED534382EB17E6AB5A19CE7B31F4486FDFC0D28640
k(hex form): 59276E27D506861A16680F3AD9C02DCCEF3CC1FA3CDBE4CE6D54B80DEAC1BC21
r(hex form): F5A03B0648D2C4630EEAC513E1BB81A15944DA3827D5B74143AC7EACEEE720B3
s(hex form): B1B6AA29DF212FD8763182BC0D421CA1BB9038FD1F7F42D4840B69C485BBC1AA