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* imported additional implementations.
int32 a
stack32 arg1
stack32 arg2
stack32 arg3
stack32 arg4
input arg1
input arg2
input arg3
input arg4
int32 eax
int32 ebx
int32 esi
int32 edi
int32 ebp
caller eax
caller ebx
caller esi
caller edi
caller ebp
int32 k
int32 kbits
int32 iv
int32 i
int32 x
int32 m
int32 out
stack32 bytes_backup
int32 bytes
stack32 eax_stack
stack32 ebx_stack
stack32 esi_stack
stack32 edi_stack
stack32 ebp_stack
int6464 diag0
int6464 diag1
int6464 diag2
int6464 diag3
# situation at beginning of first round:
# diag0: x0 x5 x10 x15
# diag1: x12 x1 x6 x11
# diag2: x8 x13 x2 x7
# diag3: x4 x9 x14 x3
# situation at beginning of second round:
# diag0: x0 x5 x10 x15
# diag1: x1 x6 x11 x12
# diag2: x2 x7 x8 x13
# diag3: x3 x4 x9 x14
int6464 a0
int6464 a1
int6464 a2
int6464 a3
int6464 a4
int6464 a5
int6464 a6
int6464 a7
int6464 b0
int6464 b1
int6464 b2
int6464 b3
int6464 b4
int6464 b5
int6464 b6
int6464 b7
int32 in0
int32 in1
int32 in2
int32 in3
int32 in4
int32 in5
int32 in6
int32 in7
int32 in8
int32 in9
int32 in10
int32 in11
int32 in12
int32 in13
int32 in14
int32 in15
stack512 tmp
stack32 ctarget
enter ECRYPT_keystream_bytes
eax_stack = eax
ebx_stack = ebx
esi_stack = esi
edi_stack = edi
ebp_stack = ebp
x = arg1
m = arg2
out = m
bytes = arg3
unsigned>? bytes - 0
goto done if !unsigned>
a = 0
i = bytes
while (i) { *out++ = a; --i }
out -= bytes
goto start
enter ECRYPT_decrypt_bytes
eax_stack = eax
ebx_stack = ebx
esi_stack = esi
edi_stack = edi
ebp_stack = ebp
x = arg1
m = arg2
out = arg3
bytes = arg4
unsigned>? bytes - 0
goto done if !unsigned>
goto start
enter ECRYPT_encrypt_bytes
eax_stack = eax
ebx_stack = ebx
esi_stack = esi
edi_stack = edi
ebp_stack = ebp
x = arg1
m = arg2
out = arg3
bytes = arg4
unsigned>? bytes - 0
goto done if !unsigned>
start:
bytesatleast1:
unsigned<? bytes - 64
goto nocopy if !unsigned<
ctarget = out
out = &tmp
i = bytes
while (i) { *out++ = *m++; --i }
out = &tmp
m = &tmp
nocopy:
bytes_backup = bytes
diag0 = *(int128 *) (x + 0)
diag1 = *(int128 *) (x + 16)
diag2 = *(int128 *) (x + 32)
diag3 = *(int128 *) (x + 48)
a0 = diag1 <<< 0
b0 = 0
i = 20
mainloop:
uint32323232 a0 += diag0
a1 = diag0 <<< 0
uint32323232 b0 += a0
uint32323232 a0 <<= 7
b1 = 0
uint32323232 b0 >>= 25
diag3 ^= a0
diag3 ^= b0
uint32323232 a1 += diag3
a2 = diag3 <<< 0
uint32323232 b1 += a1
uint32323232 a1 <<= 9
b2 = 0
uint32323232 b1 >>= 23
diag2 ^= a1
diag3 <<<= 32
diag2 ^= b1
uint32323232 a2 += diag2
a3 = diag2 <<< 0
uint32323232 b2 += a2
uint32323232 a2 <<= 13
b3 = 0
uint32323232 b2 >>= 19
diag1 ^= a2
diag2 <<<= 64
diag1 ^= b2
uint32323232 a3 += diag1
a4 = diag3 <<< 0
uint32323232 b3 += a3
uint32323232 a3 <<= 18
b4 = 0
uint32323232 b3 >>= 14
diag0 ^= a3
diag1 <<<= 96
diag0 ^= b3
uint32323232 a4 += diag0
a5 = diag0 <<< 0
uint32323232 b4 += a4
uint32323232 a4 <<= 7
b5 = 0
uint32323232 b4 >>= 25
diag1 ^= a4
diag1 ^= b4
uint32323232 a5 += diag1
a6 = diag1 <<< 0
uint32323232 b5 += a5
uint32323232 a5 <<= 9
b6 = 0
uint32323232 b5 >>= 23
diag2 ^= a5
diag1 <<<= 32
diag2 ^= b5
uint32323232 a6 += diag2
a7 = diag2 <<< 0
uint32323232 b6 += a6
uint32323232 a6 <<= 13
b7 = 0
uint32323232 b6 >>= 19
diag3 ^= a6
diag2 <<<= 64
diag3 ^= b6
uint32323232 a7 += diag3
a0 = diag1 <<< 0
uint32323232 b7 += a7
uint32323232 a7 <<= 18
b0 = 0
uint32323232 b7 >>= 14
diag0 ^= a7
diag3 <<<= 96
diag0 ^= b7
uint32323232 a0 += diag0
a1 = diag0 <<< 0
uint32323232 b0 += a0
uint32323232 a0 <<= 7
b1 = 0
uint32323232 b0 >>= 25
diag3 ^= a0
diag3 ^= b0
uint32323232 a1 += diag3
a2 = diag3 <<< 0
uint32323232 b1 += a1
uint32323232 a1 <<= 9
b2 = 0
uint32323232 b1 >>= 23
diag2 ^= a1
diag3 <<<= 32
diag2 ^= b1
uint32323232 a2 += diag2
a3 = diag2 <<< 0
uint32323232 b2 += a2
uint32323232 a2 <<= 13
b3 = 0
uint32323232 b2 >>= 19
diag1 ^= a2
diag2 <<<= 64
diag1 ^= b2
uint32323232 a3 += diag1
a4 = diag3 <<< 0
uint32323232 b3 += a3
uint32323232 a3 <<= 18
b4 = 0
uint32323232 b3 >>= 14
diag0 ^= a3
diag1 <<<= 96
diag0 ^= b3
uint32323232 a4 += diag0
a5 = diag0 <<< 0
uint32323232 b4 += a4
uint32323232 a4 <<= 7
b5 = 0
uint32323232 b4 >>= 25
diag1 ^= a4
diag1 ^= b4
uint32323232 a5 += diag1
a6 = diag1 <<< 0
uint32323232 b5 += a5
uint32323232 a5 <<= 9
b6 = 0
uint32323232 b5 >>= 23
diag2 ^= a5
diag1 <<<= 32
diag2 ^= b5
uint32323232 a6 += diag2
a7 = diag2 <<< 0
uint32323232 b6 += a6
uint32323232 a6 <<= 13
b7 = 0
uint32323232 b6 >>= 19
diag3 ^= a6
diag2 <<<= 64
diag3 ^= b6
unsigned>? i -= 4
uint32323232 a7 += diag3
a0 = diag1 <<< 0
uint32323232 b7 += a7
uint32323232 a7 <<= 18
b0 = 0
uint32323232 b7 >>= 14
diag0 ^= a7
diag3 <<<= 96
diag0 ^= b7
goto mainloop if unsigned>
uint32323232 diag0 += *(int128 *) (x + 0)
uint32323232 diag1 += *(int128 *) (x + 16)
uint32323232 diag2 += *(int128 *) (x + 32)
uint32323232 diag3 += *(int128 *) (x + 48)
in0 = diag0
in12 = diag1
in8 = diag2
in4 = diag3
diag0 <<<= 96
diag1 <<<= 96
diag2 <<<= 96
diag3 <<<= 96
in0 ^= *(uint32 *) (m + 0)
in12 ^= *(uint32 *) (m + 48)
in8 ^= *(uint32 *) (m + 32)
in4 ^= *(uint32 *) (m + 16)
*(uint32 *) (out + 0) = in0
*(uint32 *) (out + 48) = in12
*(uint32 *) (out + 32) = in8
*(uint32 *) (out + 16) = in4
in5 = diag0
in1 = diag1
in13 = diag2
in9 = diag3
diag0 <<<= 96
diag1 <<<= 96
diag2 <<<= 96
diag3 <<<= 96
in5 ^= *(uint32 *) (m + 20)
in1 ^= *(uint32 *) (m + 4)
in13 ^= *(uint32 *) (m + 52)
in9 ^= *(uint32 *) (m + 36)
*(uint32 *) (out + 20) = in5
*(uint32 *) (out + 4) = in1
*(uint32 *) (out + 52) = in13
*(uint32 *) (out + 36) = in9
in10 = diag0
in6 = diag1
in2 = diag2
in14 = diag3
diag0 <<<= 96
diag1 <<<= 96
diag2 <<<= 96
diag3 <<<= 96
in10 ^= *(uint32 *) (m + 40)
in6 ^= *(uint32 *) (m + 24)
in2 ^= *(uint32 *) (m + 8)
in14 ^= *(uint32 *) (m + 56)
*(uint32 *) (out + 40) = in10
*(uint32 *) (out + 24) = in6
*(uint32 *) (out + 8) = in2
*(uint32 *) (out + 56) = in14
in15 = diag0
in11 = diag1
in7 = diag2
in3 = diag3
in15 ^= *(uint32 *) (m + 60)
in11 ^= *(uint32 *) (m + 44)
in7 ^= *(uint32 *) (m + 28)
in3 ^= *(uint32 *) (m + 12)
*(uint32 *) (out + 60) = in15
*(uint32 *) (out + 44) = in11
*(uint32 *) (out + 28) = in7
*(uint32 *) (out + 12) = in3
bytes = bytes_backup
in8 = *(uint32 *) (x + 32)
in9 = *(uint32 *) (x + 52)
in8 += 1
in9 += 0 + carry
*(uint32 *) (x + 32) = in8
*(uint32 *) (x + 52) = in9
unsigned>? unsigned<? bytes - 64
goto bytesatleast65 if unsigned>
goto bytesatleast64 if !unsigned<
m = out
out = ctarget
i = bytes
while (i) { *out++ = *m++; --i }
bytesatleast64:
done:
eax = eax_stack
ebx = ebx_stack
esi = esi_stack
edi = edi_stack
ebp = ebp_stack
leave
bytesatleast65:
bytes -= 64
out += 64
m += 64
goto bytesatleast1
enter ECRYPT_init
leave
enter ECRYPT_keysetup
eax_stack = eax
ebx_stack = ebx
esi_stack = esi
edi_stack = edi
ebp_stack = ebp
k = arg2
kbits = arg3
x = arg1
# situation at beginning of first round:
# diag0: x0 x5 x10 x15
# diag1: x12 x1 x6 x11
# diag2: x8 x13 x2 x7
# diag3: x4 x9 x14 x3
in1 = *(uint32 *) (k + 0)
in2 = *(uint32 *) (k + 4)
in3 = *(uint32 *) (k + 8)
in4 = *(uint32 *) (k + 12)
*(uint32 *) (x + 20) = in1
*(uint32 *) (x + 40) = in2
*(uint32 *) (x + 60) = in3
*(uint32 *) (x + 48) = in4
unsigned<? kbits - 256
goto kbits128 if unsigned<
kbits256:
in11 = *(uint32 *) (k + 16)
in12 = *(uint32 *) (k + 20)
in13 = *(uint32 *) (k + 24)
in14 = *(uint32 *) (k + 28)
*(uint32 *) (x + 28) = in11
*(uint32 *) (x + 16) = in12
*(uint32 *) (x + 36) = in13
*(uint32 *) (x + 56) = in14
in0 = 1634760805
in5 = 857760878
in10 = 2036477234
in15 = 1797285236
*(uint32 *) (x + 0) = in0
*(uint32 *) (x + 4) = in5
*(uint32 *) (x + 8) = in10
*(uint32 *) (x + 12) = in15
goto keysetupdone
kbits128:
in11 = *(uint32 *) (k + 0)
in12 = *(uint32 *) (k + 4)
in13 = *(uint32 *) (k + 8)
in14 = *(uint32 *) (k + 12)
*(uint32 *) (x + 28) = in11
*(uint32 *) (x + 16) = in12
*(uint32 *) (x + 36) = in13
*(uint32 *) (x + 56) = in14
in0 = 1634760805
in5 = 824206446
in10 = 2036477238
in15 = 1797285236
*(uint32 *) (x + 0) = in0
*(uint32 *) (x + 4) = in5
*(uint32 *) (x + 8) = in10
*(uint32 *) (x + 12) = in15
keysetupdone:
eax = eax_stack
ebx = ebx_stack
esi = esi_stack
edi = edi_stack
ebp = ebp_stack
leave
enter ECRYPT_ivsetup
eax_stack = eax
ebx_stack = ebx
esi_stack = esi
edi_stack = edi
ebp_stack = ebp
iv = arg2
x = arg1
# situation at beginning of first round:
# diag0: x0 x5 x10 x15
# diag1: x12 x1 x6 x11
# diag2: x8 x13 x2 x7
# diag3: x4 x9 x14 x3
in6 = *(uint32 *) (iv + 0)
in7 = *(uint32 *) (iv + 4)
in8 = 0
in9 = 0
*(uint32 *) (x + 24) = in6
*(uint32 *) (x + 44) = in7
*(uint32 *) (x + 32) = in8
*(uint32 *) (x + 52) = in9
eax = eax_stack
ebx = ebx_stack
esi = esi_stack
edi = edi_stack
ebp = ebp_stack
leave
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