Mercurial > dropbear
diff notes/tech0005.txt @ 380:d5faf4814ddb libtomcrypt-orig libtomcrypt-1.16
Update to LibTomCrypt 1.16
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Thu, 11 Jan 2007 02:22:00 +0000 |
| parents | 59400faa4b44 |
| children |
line wrap: on
line diff
--- a/notes/tech0005.txt Wed Mar 08 12:58:00 2006 +0000 +++ b/notes/tech0005.txt Thu Jan 11 02:22:00 2007 +0000 @@ -9,10 +9,12 @@ You can disable whole classes of algorithms on the command line with the LTC_NO_* defines. From there you can manually turn on what you want to enable. -The following build with GCC 3.4.3 on an AMD64 box gets you AES, CTR mode, SHA-256, HMAC, Yarrow, full RSA PKCS #1, PKCS #5, ASN.1 DER and MPI in -roughly 80KB of code. +The following build with GCC 3.4.4 on an AMD64 box gets you AES, CTR mode, SHA-256, HMAC, Yarrow, full RSA PKCS #1, PKCS #5 and ASN.1 DER in +roughly 40KB of code (49KB on the ARMv4) (both excluding the math library). -CFLAGS="-DSC_RSA_1 -DLTC_NO_CIPHERS -DLTC_NO_HASHES -DLTC_NO_PRNGS -DLTC_NO_MACS -DLTC_NO_MODES -DLTC_NO_PK -DRIJNDAEL -DCTR -DSHA256 \ --DHMAC -DYARROW -DMRSA -DMPI -Os -fomit-frame-pointer" make IGNORE_SPEED=1 +CFLAGS="-DLTC_NO_CIPHERS -DLTC_NO_HASHES -DLTC_NO_PRNGS -DLTC_NO_MACS -DLTC_NO_MODES -DLTC_NO_PK -DRIJNDAEL -DLTC_CTR_MODE -DSHA256 \ +-DLTC_HMAC -DYARROW -DMRSA -DMPI -DTFM_DESC -DARGTYPE=3 -Os -DLTC_SMALL_CODE -fomit-frame-pointer" make IGNORE_SPEED=1 + +Obviously this won't get you performance but if you need to pack a crypto lib in a device with limited means it's more than enough... Neato eh?