def decrypt_with_rsa_chunyu(msg):
'''
msg必须采用base64编码， 注意: base64编码的数据经过URLDecoder处理之后，可能不正确，其中的＋会变成' '
'''
msg = base64ToString(msg)
key = RSA.importKey(_private_rsa_key)
cipher = PKCS1_v1_5_Cipher.new(key)
modBits = number.size(key.n)
k = ceil_div(modBits, 8) # Convert from bits to bytes
print "K: ", k
msglen = len(msg)
msg_encryted = ""
start_idx = 0
## 处理过长的加密
while msglen > 0:
len1 = min([msglen, k])
cleartext = cipher.decrypt(msg[start_idx:(start_idx + len1)], "")
msg_encryted = msg_encryted + cleartext
start_idx = start_idx + len1
msglen = msglen - len1
return msg_encryted
def decrypt_with_rsa_chunyu(msg):
'''
msg必须采用base64编码， 注意: base64编码的数据经过URLDecoder处理之后，可能不正确，其中的＋会变成' '
'''
msg = base64ToString(msg)
key = RSA.importKey(_private_rsa_key)
cipher = PKCS1_v1_5_Cipher.new(key)
modBits = number.size(key.n)
k = ceil_div(modBits,8) # Convert from bits to bytes
print "K: ", k
msglen = len(msg)
msg_encryted = ""
start_idx = 0
## 处理过长的加密
while msglen > 0:
len1 = min([msglen, k])
cleartext = cipher.decrypt(msg[start_idx: (start_idx + len1)], "")
msg_encryted = msg_encryted + cleartext
start_idx = start_idx + len1
msglen = msglen - len1
return msg_encryted
def encrypt_with_rsa_chunyu(msg):
'''
msg必须采用utf8编码
'''
msg = ensure_utf8(msg)
key = RSA.importKey(_public_rsa_key)
cipher = PKCS1_v1_5_Cipher.new(key)
modBits = number.size(key.n)
k = ceil_div(modBits, 8) - 28 ## 11 # Convert from bits to bytes
print "K: ", k
msglen = len(msg)
msg_encryted = ""
start_idx = 0
## 处理过长的加密
while msglen > 0:
len1 = min([msglen, k])
encrypt = cipher.encrypt(msg[start_idx:(start_idx + len1)])
msg_encryted = msg_encryted + encrypt
start_idx = start_idx + len1
msglen = msglen - len1
return stringToBase64(msg_encryted)
def encrypt_with_rsa_chunyu(msg):
'''
msg必须采用utf8编码
'''
msg = ensure_utf8(msg)
key = RSA.importKey(_public_rsa_key)
cipher = PKCS1_v1_5_Cipher.new(key)
modBits = number.size(key.n)
k = ceil_div(modBits,8) - 28 ## 11 # Convert from bits to bytes
print "K: ", k
msglen = len(msg)
msg_encryted = ""
start_idx = 0
## 处理过长的加密
while msglen > 0:
len1 = min([msglen, k])
encrypt = cipher.encrypt(msg[start_idx: (start_idx + len1)])
msg_encryted = msg_encryted + encrypt
start_idx = start_idx + len1
msglen = msglen - len1
return stringToBase64(msg_encryted)