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test_eddsa_sequence.py
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#!/usr/bin/env python3
import sys
import random as rn
import os
import test_common as tc
import models.ed25519 as ed25519
def eddsa_sequence(s, prefix, A, slot, sch, scn, message, run_name_suffix):
insrc = tc.insrc_arr[rn.randint(0,1)]
outsrc = tc.outsrc_arr[rn.randint(0,1)]
smodq = s % ed25519.q
sign_ref = ed25519.sign(s, prefix, A, sch, scn, message)
#print("Msg size:", len(message))
########################################################################################################
# Set Context
########################################################################################################
run_name = "eddsa_set_context" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
prefix_int = int.from_bytes(prefix, 'big')
tc.set_key(cmd_file, key=s, ktype=0x04, slot=(slot<<1), offset=0)
tc.set_key(cmd_file, key=prefix_int, ktype=0x04, slot=(slot<<1), offset=8)
tc.set_key(cmd_file, key=smodq ,ktype=0x04, slot=(slot<<1), offset=16)
metadata = tc.Ed25519_ID
tc.set_key(cmd_file, key=metadata, ktype=0x04, slot=(slot<<1)+1, offset=0)
A_int = int.from_bytes(A, 'big')
tc.set_key(cmd_file, key=A_int, ktype=0x04, slot=(slot<<1)+1, offset=8)
input_word = (slot << 8) + tc.find_in_list("eddsa_set_context", ops_cfg)["id"]
tc.write_int32(cmd_file, input_word, (insrc<<12))
tc.write_bytes(cmd_file, sch, 0x00A0)
tc.write_bytes(cmd_file, scn, 0x00C0)
ctx = tc.run_op(cmd_file, "eddsa_set_context", insrc, outsrc, 36, ops_cfg, test_dir, run_name=run_name)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# Nonce Init
########################################################################################################
run_name = "eddsa_nonce_init" + run_name_suffix
tc.print_run_name(run_name)
rng = [rn.randint(0, 2**256-1) for i in range(10)]
tc.set_rng(test_dir, rng)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
ctx = tc.run_op(cmd_file, "eddsa_nonce_init", insrc, outsrc, 36, ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# Nonce Update
########################################################################################################
m_blocks_tmac = []
updates_cnt = len(message) // 144
for i in range(0, updates_cnt):
block = message[i*144:i*144+144]
run_name = f"eddsa_nonce_update_{i}" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
tc.write_bytes(cmd_file, block, (insrc<<12))
ctx = tc.run_op(cmd_file, "eddsa_nonce_update", insrc, outsrc, 144, ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# Nonce Update
########################################################################################################
last_block_tmac = message[updates_cnt*144:]
run_name = "eddsa_nonce_finish" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
tc.write_bytes(cmd_file, last_block_tmac, (insrc<<12))
ctx = tc.run_op(cmd_file, "eddsa_nonce_finish", insrc, outsrc, len(last_block_tmac), ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# R Part
########################################################################################################
run_name = "eddsa_R_part" + run_name_suffix
tc.print_run_name(run_name)
rng = [rn.randint(0, 2**256-1) for i in range(10)]
tc.set_rng(test_dir, rng)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
ctx = tc.run_op(cmd_file, "eddsa_R_part", insrc, outsrc, 0, ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
if len(message) < 64:
########################################################################################################
# E at once
########################################################################################################
run_name = "eddsa_e_at_once" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
tc.write_bytes(cmd_file, message, (insrc<<12))
ctx = tc.run_op(cmd_file, "eddsa_e_at_once", insrc, outsrc, len(message), ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
else:
########################################################################################################
# E Prep
########################################################################################################
m_block_prep = message[:64]
run_name = "eddsa_e_prep" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
tc.write_bytes(cmd_file, m_block_prep, (insrc<<12))
ctx = tc.run_op(cmd_file, "eddsa_e_prep", insrc, outsrc, 64, ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# E Update
########################################################################################################
message_tmp = message[64:]
updates_cnt = len(message_tmp) // 128
for i in range(0, updates_cnt):
block = message_tmp[i*128:i*128+128]
run_name = f"eddsa_e_update_{i}" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
tc.write_bytes(cmd_file, block, (insrc<<12))
ctx = tc.run_op(cmd_file, "eddsa_e_update", insrc, outsrc, 128, ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# E Finish
########################################################################################################
run_name = "eddsa_e_finish" + run_name_suffix
tc.print_run_name(run_name)
last_block = message_tmp[updates_cnt*128:]
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
tc.write_bytes(cmd_file, last_block, (insrc<<12))
ctx = tc.run_op(cmd_file, "eddsa_e_finish", insrc, outsrc, len(last_block), ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# Finish
########################################################################################################
run_name = "eddsa_finish" + run_name_suffix
tc.print_run_name(run_name)
cmd_file = tc.get_cmd_file(test_dir)
tc.start(cmd_file)
#break_s = tc.dump_gpr_on(cmd_file, "bp_dump_eA", [11, 12, 13, 14])
#break_s += tc.dump_gpr_on(cmd_file, "bp_dump_sG", [7, 8, 9, 10])
ctx = tc.run_op(cmd_file, "eddsa_finish", insrc, outsrc, 0, ops_cfg, test_dir, run_name=run_name, old_context=ctx)
SPECT_OP_STATUS, SPECT_OP_DATA_OUT_SIZE = tc.get_res_word(test_dir, run_name)
if (SPECT_OP_STATUS):
print("SPECT_OP_STATUS:", hex(SPECT_OP_STATUS))
return 0
########################################################################################################
# Read and Check
########################################################################################################
result = tc.read_output(test_dir, run_name, (outsrc<<12), 1)
#print("result:", hex(result))
#print("signature_ref:", sign_ref.hex())
signature = tc.read_output(test_dir, run_name, (outsrc<<12)+0x10, 16, string=True)
#print("signature: ", signature.hex())
return sign_ref == signature
if __name__ == "__main__":
args = tc.parser.parse_args()
seed = tc.set_seed(args)
rn.seed(seed)
print("seed:", seed)
ret = 0
ops_cfg = tc.get_ops_config()
test_name = "eddsa_sequence"
test_dir = tc.make_test_dir(test_name)
k = rn.randint(0, 2**256-1).to_bytes(32, 'little')
s, prefix = ed25519.secret_expand(k)
A = ed25519.secret_to_public(k)
sch = int.to_bytes(rn.randint(0, 2**256-1), 32, 'big')
scn = int.to_bytes(rn.randint(0, 2**32-1), 4, 'little')
slot = rn.randint(0, 7)
########################################################################################################
# Test message len >= 64
########################################################################################################
msg_bitlen = rn.randint(64, 200)*8
message = int.to_bytes(rn.getrandbits(msg_bitlen), msg_bitlen//8, 'big')
if not eddsa_sequence(s, prefix, A, slot, sch, scn, message, "_big"):
tc.print_failed()
ret = 1
else:
tc.print_passed()
########################################################################################################
# Test message len < 64
########################################################################################################
msg_bitlen = rn.randint(1, 63)*8
message = int.to_bytes(rn.getrandbits(msg_bitlen), msg_bitlen//8, 'big')
if not eddsa_sequence(s, prefix, A, slot, sch, scn, message, "_small"):
tc.print_failed()
ret = 1
else:
tc.print_passed()
if "TS_SPECT_FW_TEST_DONT_DUMP" in os.environ.keys():
os.system(f"rm -r {test_dir}")
sys.exit(ret)