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lilinyang 2025-05-23 15:27:15 +08:00
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from .BaseCipherEnvironment import BaseCipherEnvironment
class KorTranspositionCipherEnvironment(BaseCipherEnvironment):
def __init__(self, *args, **kwargs):
problem_description = "Transposition Cipher from kor-bench"
super().__init__(problem_description, *args, **kwargs)
@property
def cipher_name(self) -> str:
return "Kor_rule20_TranspositionCipher"
def encode(self, text, **kwargs):
# 将输入转换为大写字母
text = ''.join([char.upper() for char in text if char.isalpha()])
print(f"处理后的输入文本: {text}")
# 定义转置序列
transposed_sequence = [1, 4, 0, 6, 5, 2, 3]
print(f"使用转置序列: {transposed_sequence}")
# 计算需要的行数
rows = (len(text) + 6) // 7
print(f"需要 {rows} 行来存放文本")
# 创建网格并填充
grid = []
index = 0
for i in range(rows):
row = []
for j in range(7):
if index < len(text):
row.append(text[index])
index += 1
else:
row.append('$')
grid.append(row)
print("原始网格:")
for row in grid:
print(''.join(row))
# 根据转置序列调整列顺序
new_grid = []
for i in range(rows):
new_row = []
for col in transposed_sequence:
new_row.append(grid[i][col])
new_grid.append(new_row)
print("转置后的网格:")
for row in new_grid:
print(''.join(row))
# 读取结果
result = ''
for row in new_grid:
result += ''.join(row)
print(f"最终加密结果: {result}")
return result
def decode(self, text, **kwargs):
print(f"需要解密的文本: {text}")
# 定义转置序列
transposed_sequence = [1, 4, 0, 6, 5, 2, 3]
print(f"使用转置序列: {transposed_sequence}")
# 计算行数
rows = (len(text) + 6) // 7
print(f"需要 {rows} 行来存放文本")
# 创建网格并填充
grid = []
index = 0
for i in range(rows):
row = []
for j in range(7):
row.append(text[index])
index += 1
grid.append(row)
print("加密的网格:")
for row in grid:
print(''.join(row))
# 还原原始顺序
original_positions = [0] * 7
for i, pos in enumerate(transposed_sequence):
original_positions[pos] = i
# 重建原始网格
original_grid = []
for i in range(rows):
new_row = []
for col in original_positions:
new_row.append(grid[i][col])
original_grid.append(new_row)
print("还原后的网格:")
for row in original_grid:
print(''.join(row))
# 读取结果并移除填充字符
result = ''
for row in original_grid:
for char in row:
if char != '$':
result += char
print(f"解密结果: {result}")
return result
def get_encode_rule(self, ):
return """加密规则:
- 输入:
- 明文: 不含标点和空格的大写字母字符串
- 输出:
- 密文: 不含标点和空格的字符串
- 准备:
- 转置序列表:
- [1, 4, 0, 6, 5, 2, 3]
- 转置序列表用于按顺序逐行写入明文然后根据转置序列表调整列的顺序使每行中的字符按给定顺序排列
- 列从0开始计数
- 加密步骤:
- [1, 4, 0, 6, 5, 2, 3]转置序列表共7位表示一行应写入7个字母
- 按顺序逐行写入明文每行7个当不足7个时最后一行用$填充可以得到一个写入网格
- 根据转置序列表调整列的顺序即现在列的顺序为[原列1原列4原列0原列6原列5原列2原列3]可以得到调整列顺序后的网格
- 逐行读取网格并连接起来得到最终密文(注意需要保留$)"""
def get_decode_rule(self, ):
return """解密规则:
- 输入:
- 密文: 不含标点和空格的字符串
- 输出:
- 明文: 不含标点和空格的大写字母字符串
- 准备:
- 转置序列表(与加密相同)
- 解密步骤:
- 按顺序逐行写入密文每行7个字母
- 逐行读取但读取每行时先读取对应0的第2列的字符然后读取对应1的第0列的字符然后读取对应2的第6列的字符依此类推
- 最终逐行读取信息去掉末尾的$即可得到解密后的明文"""