unsigned char msg[] = {
    0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
    0x74, 0x68, 0x65, 0x20, 0x6d, 0x65, 0x73, 0x73,
    0x61, 0x67, 0x65,
};

unsigned char rsa_sig_2048[] = {
    0x41, 0xeb, 0xf5, 0x5e, 0x97, 0x43, 0xf4, 0xd1,
    0xda, 0xb6, 0x5c, 0x75, 0x57, 0x2c, 0xe1, 0x01,
    0x07, 0xdc, 0x42, 0xc4, 0x2d, 0xe2, 0xb5, 0xc8,
    0x63, 0xe8, 0x45, 0x9a, 0x4a, 0xfa, 0xdf, 0x5e,
    0xa6, 0x08, 0x0a, 0x26, 0x2e, 0xca, 0x2c, 0x10,
    0x7a, 0x15, 0x8d, 0xc1, 0x55, 0xcc, 0x33, 0xdb,
    0xb2, 0xef, 0x8b, 0xa6, 0x4b, 0xef, 0xa1, 0xcf,
    0xd3, 0xe2, 0x5d, 0xac, 0x88, 0x86, 0x62, 0x67,
    0x8b, 0x8c, 0x45, 0x7f, 0x10, 0xad, 0xfa, 0x27,
    0x7a, 0x35, 0x5a, 0xf9, 0x09, 0x78, 0x83, 0xba,
    0x18, 0xcb, 0x3e, 0x8e, 0x08, 0xbe, 0x36, 0xde,
    0xac, 0xc1, 0x77, 0x44, 0xe8, 0x43, 0xdb, 0x52,
    0x23, 0x08, 0x36, 0x8f, 0x74, 0x4a, 0xbd, 0xa3,
    0x3f, 0xc1, 0xfb, 0xd6, 0x45, 0x25, 0x61, 0xe2,
    0x19, 0xcb, 0x0b, 0x28, 0xef, 0xca, 0x0a, 0x3b,
    0x7b, 0x3d, 0xe3, 0x47, 0x46, 0x07, 0x1a, 0x7f,
    0xff, 0x38, 0xfd, 0x59, 0x94, 0x0b, 0xeb, 0x00,
    0xab, 0xcc, 0x8c, 0x48, 0x7b, 0xd6, 0x87, 0xb8,
    0x54, 0xb0, 0x2a, 0x07, 0xcf, 0x44, 0x11, 0xd4,
    0xb6, 0x9a, 0x4e, 0x6d, 0x5c, 0x1a, 0xe3, 0xc7,
    0xf3, 0xc7, 0xcb, 0x8e, 0x82, 0x7d, 0xc8, 0x77,
    0xf0, 0xb6, 0xd0, 0x85, 0xcb, 0xdb, 0xd0, 0xb0,
    0xe0, 0xcf, 0xca, 0x3f, 0x17, 0x46, 0x84, 0xcb,
    0x5b, 0xfe, 0x51, 0x3a, 0xaa, 0x71, 0xad, 0xeb,
    0xf1, 0xed, 0x3f, 0xf8, 0xde, 0xb4, 0xa1, 0x26,
    0xdb, 0xc6, 0x8e, 0x70, 0xd4, 0x58, 0xa8, 0x31,
    0xd8, 0xdb, 0xcf, 0x64, 0x4a, 0x5f, 0x1b, 0x89,
    0x22, 0x03, 0x3f, 0xab, 0xb5, 0x6d, 0x2a, 0x63,
    0x2f, 0x4e, 0x7a, 0xe1, 0x89, 0xb4, 0xf0, 0x9a,
    0xb7, 0xd3, 0xd6, 0x0a, 0x10, 0x67, 0x28, 0x25,
    0x6d, 0xda, 0x92, 0x99, 0x3f, 0x64, 0xa7, 0xea,
    0xe0, 0xdc, 0x7c, 0xe8, 0x41, 0xb0, 0xeb, 0x45,
};