message: fixed regression, rc4-md5 cipher IV length should be 16
  ref shadowsocks/shadowsocks-crypto#12
diff: @@ -1068,15 +1068,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
  [[package]]
  name = "libc"
  -version = "0.2.117"
  +version = "0.2.118"
  source = "registry+https://github.com/rust-lang/crates.io-index"
  -checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
  +checksum = "06e509672465a0504304aa87f9f176f2b2b716ed8fb105ebe5c02dc6dce96a94"
  [[package]]
  name = "libmimalloc-sys"
  -version = "0.1.23"
  +version = "0.1.24"
  source = "registry+https://github.com/rust-lang/crates.io-index"
  -checksum = "9636c194f9db483f4d0adf2f99a65011a99f904bd222bbd67fb4df4f37863c30"
  +checksum = "7705fc40f6ed493f73584abbb324e74f96b358ff60dfe5659a0f8fc12c590a69"
  dependencies = [
  "cc",
  ]
  @@ -1214,9 +1214,9 @@ dependencies = [
  [[package]]
  name = "mimalloc"
  -version = "0.1.27"
  +version = "0.1.28"
  source = "registry+https://github.com/rust-lang/crates.io-index"
  -checksum = "cf5f78c1d9892fb5677a8b2f543f967ab891ac0f71feecd961435b74f877283a"
  +checksum = "b0dfa131390c2f6bdb3242f65ff271fcdaca5ff7b6c08f28398be7f2280e3926"
  dependencies = [
  "libmimalloc-sys",
  ]
  @@ -2026,9 +2026,9 @@ dependencies = [
  [[package]]
  name = "shadowsocks-crypto"
  -version = "0.3.1"
  +version = "0.3.2"
  source = "registry+https://github.com/rust-lang/crates.io-index"
  -checksum = "748be76f2786bcf817d86c08c6cc2245e436e3ae0b064b581e3d4fc81700360c"
  +checksum = "61b3d33b95f89d95837ecb0a0d5ec07cac499bc08cb2ec4c4b741097b3e6629e"
  dependencies = [
  "aes",
  "aes-gcm",
  