Test

# java version "1.7.0_51"
# Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
# Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)

# CBC:    AES/CBC/PKCS5Padding; SunJCE
# BC.CBC: AES/CBC/PKCS5Padding; BC (Bouncy Castle v1.5)
# GCM:    AES/GCM/NoPadding;    BC (Bouncy Castle v1.5)
# CTR:    AES/CTR/NoPadding;    SunJCE
# BC.CTR: AES/CTR/NoPadding;    BC (Bouncy Castle v1.5)

# key length:          256 bits
# (CBC/CTR) IV length: 128 bits
# (GCM) tag length:    128 bits
# (GCM) IV length:     96 bits

# plaintext size: ~5M bytes
# number of encrypt/decrypt per Cipher: 160
# time unit: milliseconds

Statistics

       vars   n   mean    sd median trimmed   mad min  max range  skew kurtosis   se
CBC       1 160  62.65 29.32   59.0   59.42  5.93  51  419   368 11.25   133.50 2.32
BC.CBC    2 160 170.31 69.71  162.0  163.75 10.38 145 1031   886 11.76   142.23 5.51
GCM       3 160 324.79 74.30  316.5  316.79 12.60 297 1233   936 11.44   136.54 5.87
CTR       4 160  67.68 26.47   64.0   65.05  5.93  57  391   334 11.39   136.10 2.09
BC.CTR    5 160 166.16 68.23  158.0  160.00 13.34 139 1009   870 11.78   142.57 5.39


      CBC             BC.CBC            GCM              CTR             BC.CTR      
 Min.   : 51.00   Min.   : 145.0   Min.   : 297.0   Min.   : 57.00   Min.   : 139.0  
 1st Qu.: 55.00   1st Qu.: 156.0   1st Qu.: 308.8   1st Qu.: 60.00   1st Qu.: 151.0  
 Median : 59.00   Median : 162.0   Median : 316.5   Median : 64.00   Median : 158.0  
 Mean   : 62.65   Mean   : 170.3   Mean   : 324.8   Mean   : 67.68   Mean   : 166.2  
 3rd Qu.: 63.00   3rd Qu.: 171.0   3rd Qu.: 325.0   3rd Qu.: 70.00   3rd Qu.: 169.2  
 Max.   :419.00   Max.   :1031.0   Max.   :1233.0   Max.   :391.00   Max.   :1009.0  

R

all <- read.table("/tmp/cipher_compare.log", header=T)
library(psych)
describe(all)
summary(all)

plot(density(all$CBC),col="black",main="Cipher latency density plots",xlab="Latency (ms)",ylab="Frequency density")
lines(density(all$BC.CBC),col="red")
lines(density(all$CTR),col="blue")
lines(density(all$BC.CTR),col="orange")
lines(density(all$GCM),col="green")
legend("topright", legend=c(
  "AES/CBC/PKCS5Padding; SunJCE 1.7.0_51", 
  "AES/CBC/PKCS5Padding; BC 1.5", 
  "AES/CTR/NoPadding; SunJCE 1.7.0_51", 
  "AES/CTR/NoPadding; BC 1.5",
  "AES/GCM/NoPadding; BC 1.5"),
  text.col=c("black","red","blue","orange","green”))

# posted by rot13(Unafba Pune) @ 1:53 PM