Exemplo n.º 1
0
def generate_photon_version(t):

    #define wordsize, statesize, and irreducible polynomial
    if t == 100:
        d = 5
        s = 4
        IP = 3
        Z = [1, 2, 9, 9, 2]
    elif t == 144:
        d = 6
        s = 4
        IP = 3
        Z = [1, 2, 8, 5, 8, 2]
    elif t == 196:
        d = 7
        s = 4
        IP = 3
        Z = [1, 4, 6, 1, 1, 6, 4]
    elif t == 256:
        d = 8
        s = 4
        IP = 3
        Z = [2, 4, 2, 11, 2, 8, 5, 6]
    elif t == 288:
        d = 6
        s = 8
        IP = 0x1b
        Z = [2, 3, 1, 2, 1, 4]
    photon = CipherDescription(t)

    #Add the appropriate sbox
    if s == 8:
        sbox = [
            0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67,
            0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59,
            0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7,
            0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1,
            0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05,
            0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83,
            0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29,
            0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
            0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa,
            0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c,
            0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc,
            0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec,
            0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19,
            0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee,
            0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49,
            0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
            0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4,
            0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6,
            0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70,
            0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9,
            0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e,
            0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1,
            0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0,
            0x54, 0xbb, 0x16
        ]
    elif s == 4:
        sbox = [
            0xC, 0x5, 0x6, 0xB, 0x9, 0x0, 0xA, 0xD, 0x3, 0xE, 0xF, 0x8, 0x4,
            0x7, 0x1, 0x2
        ]
    photon.add_sbox('S-box', sbox)

    #Apply the sbox to all cells
    for i in range(d * d):
        bits = []
        for j in range(s):
            bits.append("s{}".format(s * i + s - 1 - j))
        photon.apply_sbox('S-box', bits, bits)

    #Define and apply shiftrows
    tshuffle = []
    for i in range(d):
        tshuffle.append([((j + i) % d) * d + i for j in range(d)])

    shuffle = []
    for i in range(d):
        for j in range(d):
            shuffle.append(tshuffle[j][i])

    photon.shufflewords(shuffle, s, 1)
    '''
    #Apply MixColumns
    MC = []
    for i in range(d-1):
        temp = [0]
        for j in range(d-1):
            if i==j:
                temp.append(1)
            else: 
                temp.append(0)
        MC.append(temp)
    MC.append(Z)
    
    for i in range(d):
        photon.apply_MC(s,MC,IP,d,d)
    '''
    photon.apply_MC_serial(s, Z, IP)
    return photon
Exemplo n.º 2
0
    LED.apply_sbox('S-box', bits, bits)

#Define and apply shiftrows
tshuffle = []
for i in range(d):
    tshuffle.append([((j + i) % d) * d + i for j in range(d)])

shuffle = []
for i in range(d):
    for j in range(d):
        shuffle.append(tshuffle[j][i])

LED.shufflewords(shuffle, s, 1)

#Apply MixColumns
LED.apply_MC_serial(s, Z, IP)
'''
MC = []
for i in range(d-1):
    temp = [0]
    for j in range(d-1):
        if i==j:
            temp.append(1)
        else: 
            temp.append(0)
    MC.append(temp)
MC.append(Z)

for i in range(d):
    LED.apply_MC(s,MC,IP,d,d)