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feat(hints): Add BLAKE2S_FINALIZE hint variant #1072

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Fix test
  • Loading branch information
fmoletta committed Apr 27, 2023
commit 2aa4856a589c4924d21984299799f89cb93e1746
42 changes: 21 additions & 21 deletions cairo_programs/example_blake2s.cairo
Original file line number Diff line number Diff line change
@@ -126,26 +126,26 @@ func finalize_blake2s{range_check_ptr, bitwise_ptr: BitwiseBuiltin*}(
}

%{
# Add dummy pairs of input and output.
from starkware.cairo.common.cairo_blake2s.blake2s_utils import IV, blake2s_compress

_n_packed_instances = int(ids.N_PACKED_INSTANCES)
assert 0 <= _n_packed_instances < 20
_blake2s_input_chunk_size_felts = int(ids.BLAKE2S_INPUT_CHUNK_SIZE_FELTS)
assert 0 <= _blake2s_input_chunk_size_felts < 100

message = [0] * _blake2s_input_chunk_size_felts
modified_iv = [IV[0] ^ 0x01010020] + IV[1:]
output = blake2s_compress(
message=message,
h=modified_iv,
t0=0,
t1=0,
f0=0xffffffff,
f1=0,
)
padding = (message + modified_iv + [0, 0xffffffff] + output) * (_n_packed_instances - 1)
segments.write_arg(ids.blake2s_ptr_end, padding)
# Add dummy pairs of input and output.
from starkware.cairo.common.cairo_blake2s.blake2s_utils import IV, blake2s_compress

_n_packed_instances = int(ids.N_PACKED_INSTANCES)
assert 0 <= _n_packed_instances < 20
_blake2s_input_chunk_size_felts = int(ids.BLAKE2S_INPUT_CHUNK_SIZE_FELTS)
assert 0 <= _blake2s_input_chunk_size_felts < 100

message = [0] * _blake2s_input_chunk_size_felts
modified_iv = [IV[0] ^ 0x01010020] + IV[1:]
output = blake2s_compress(
message=message,
h=modified_iv,
t0=0,
t1=0,
f0=0xffffffff,
f1=0,
)
padding = (message + modified_iv + [0, 0xffffffff] + output) * (_n_packed_instances - 1)
segments.write_arg(ids.blake2s_ptr_end, padding)
%}

// Compute the amount of chunks (rounded up).
@@ -649,6 +649,6 @@ func main{range_check_ptr, bitwise_ptr: BitwiseBuiltin*}() {
assert output[5] = 1978410869;
assert output[6] = 3956807281;
assert output[7] = 3738027290;
finalize_blake2s();
finalize_blake2s(blake2s_ptr_start, blake2s_ptr);
return ();
}