digest: Create Compact Hash Digests of R Objects
- CRAN: http://cran.r-project.org/web/packages/digest/index.html
- URL: http://dirk.eddelbuettel.com/code/digest.html
> library(digest)
バージョン: 0.6.10
| 関数名 | 概略 |
|---|---|
AES |
Create AES block cipher object |
digest |
Create hash function digests for arbitrary R objects |
hmac |
compute a hash-based message authentication code |
sha1 |
Calculate a SHA1 hash of an object |
AES
> as.raw(1:16)
[1] 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10
> aes <- as.raw(1:16) %>% AES(mode = "ECB", IV = NULL)
>
> msg <- as.raw(c(1:16, 1:16))
> aes$encrypt(msg)
[1] 34 c3 3b 7f 14 fd 53 dc ea 25 e0 1a 02 e1 67 27 34 c3 3b 7f 14 fd 53
[24] dc ea 25 e0 1a 02 e1 67 27
> aes$decrypt(aes$encrypt(msg), raw = TRUE)
[1] 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 01 02 03 04 05 06 07
[24] 08 09 0a 0b 0c 0d 0e 0f 10
digest
> digest("aiueo", "md5", serialize = FALSE)
[1] "acd78951602a8cbc0cae289ceb6e579f"
> digest(letters, "md5", serialize = FALSE)
[1] "0cc175b9c0f1b6a831c399e269772661"
sha1
> sha1("foo", digits = 4, zapsmall = 7)
[1] "8994a9998ba9235362215f62449f081c3bf83965"