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This commit is contained in:
Nicholas Ward 2022-07-18 16:18:25 -07:00
parent 89c79208fe
commit 3140c77cd1
2 changed files with 57 additions and 8 deletions
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63
evm/src/cpu/kernel/asm/sha2.asm
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@ -106,13 +106,62 @@ global sha2_gen_message_schedule_from_block:
// stack: counter=16, block, output_addr
global sha2_message_schedule_next_word:
JUMPDEST
// stack: address
// stack: addr
dup1
// stack: addr, addr
push 2
swap1
sub
// stack: addr - 2, addr
mload
// stack: x[addr - 2], addr
%jump(sha2_sigma_1)
// stack: sigma_1(x[addr - 2]), addr
swap1
// stack: addr, sigma_1(x[addr - 2])
dup1
// stack: addr, addr, sigma_1(x[addr - 2])
push 7
swap1
sub
// stack: addr - 7, addr, sigma_1(x[addr - 2])
mload
// stack: x[addr - 7], addr, sigma_1(x[addr - 2])
swap1
// stack: addr, x[addr - 7], sigma_1(x[addr - 2])
dup1
// stack: addr, addr, x[addr - 7], sigma_1(x[addr - 2])
push 15
swap1
sub
// stack: addr - 15, addr, x[addr - 7], sigma_1(x[addr - 2])
mload
// stack: x[addr - 15], addr, x[addr - 7], sigma_1(x[addr - 2])
%jump(sha2_sigma_0)
// stack: sigma_0(x[addr - 15]), addr, x[addr - 7], sigma_1(x[addr - 2])
swap1
// stack: addr, sigma_0(x[addr - 15]), x[addr - 7], sigma_1(x[addr - 2])
dup1
// stack: addr, addr, sigma_0(x[addr - 15]), x[addr - 7], sigma_1(x[addr - 2])
push 16
swap1
sub
// stack: addr - 16, addr, sigma_0(x[addr - 15]), x[addr - 7], sigma_1(x[addr - 2])
mload
// stack: x[addr - 16], addr, sigma_0(x[addr - 15]), x[addr - 7], sigma_1(x[addr - 2])
swap1
// stack: addr, x[addr - 16], sigma_0(x[addr - 15]), x[addr - 7], sigma_1(x[addr - 2])
swap4
// stack: sigma_1(x[addr - 2]), x[addr - 16], sigma_0(x[addr - 15]), x[addr - 7], addr
add
add
add
// stack: sigma_1(x[addr - 2]) + x[addr - 16] + sigma_0(x[addr - 15]) + x[addr - 7], addr
swap1
mstore
global sha2_gen_message_schedules:
JUMPDEST
global sha2_gen_all_message_schedules:
JUMPDEST

2
evm/src/cpu/kernel/asm/sha2_ops.asm
View File

@ -27,7 +27,7 @@
%endmacro
// 32-bit left rotation
%macro rot,
%macro rotl
// stack: rot, value
dup2
dup2