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themighty1
2022-03-30 11:40:24 +03:00
parent 66481c85d7
commit fa2a9116af
2 changed files with 23 additions and 22 deletions
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2
assemble.js
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@@ -1,6 +1,6 @@
const casm = require('./casmbundle'); const casm = require('./casmbundle');
global.fs = require('fs'); global.fs = require('fs');
for (let i=1; i<8; i++){ for (let i=1; i<=8; i++){
global.fs.writeFileSync('c'+i+'.out', casm.parseAndAssemble('c'+i+'.casm')); global.fs.writeFileSync('c'+i+'.out', casm.parseAndAssemble('c'+i+'.casm'));
} }

43
c7.casm
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@@ -1,38 +1,39 @@
# AES-ECB encrypt one block to produce gctr block # AES-GCM-encrypt one block of plaintext and check for any carriage returns
# exactly the same as circuit 6 except here the counter is fixed at 1 # the plaintext has.
7 1138 6 901
2 288 304 2 160 308
# notary inputs # notary inputs
# 128: client_write_key share # 128: client_write_key share
# 32 : client_write_IV share # 32 : client_write_IV share
# 128: output mask
# client inputs # client inputs
# 128: client_write_key share # 128: client_write_key share
# 32 : client_write_IV share # 32 : client_write_IV share
# 128: output mask # 128: plaintext block
# 16 : nonce # 10 : nonce
# 10 : counter (max block counter that can fit into 10 bits is 1023)
1 128 1 144
# all outputs go to the evaluator: # all outputs go to the evaluator
# 128: gctr block masked twice # 128: encrypted plaintext block
# 16 : for each byte of the plaintext block, a bit will be set to 1 if the byte
# is a carriage return
2 1 0 0 592 XOR # 0 2 1 0 0 468 XOR # 0
1 1 592 593 INV # 1
# unmask client_write_key # unmask client_write_key
256 128 [0|>128] [288|>128] [594|>128] xor128bits.casm 256 128 [0|>128] [160|>128] [469|>128] xor128bits.casm
# unmask client_write_IV # unmask client_write_IV
64 32 [128|>32] [416|>32] [722|>32] xor32bits.casm 64 32 [128|>32] [288|>32] [597|>32] xor32bits.casm
# encrypt client_write_IV + nonce (8 bytes) + counter (4 bytes) == 1 # encrypt client_write_IV + nonce (8 bytes) + counter (4 bytes)
# (counter is fixed at 1 for gctr blocks) 256 128 [469|>128] [458|>10] [468*22] [448|>10] [468*54] [597|>32] [629|>128] aes-128-reverse.txt
256 128 [594|>128] 593 [592*31] [576|>16] [592*48] [722|>32] [754|>128] aes-128-reverse.txt
# mask by notary # xor encrypted counter with plaintext to get ciphertext
256 128 [754|>128] [160|>128] [882|>128] xor128bits.casm 256 128 [629|>128] [320|>128] [757|>128] xor128bits.casm
# check for carriage returns in the plaintext
128 16 [320|>128] [885|>16] checkCarriageReturn.casm
# mask by client
256 128 [882|>128] [448|>128] [1010|>128] xor128bits.casm