diff options
| author | Matt Johnston <matt@ucc.asn.au> | 2006-03-21 16:20:59 +0000 |
|---|---|---|
| committer | Matt Johnston <matt@ucc.asn.au> | 2006-03-21 16:20:59 +0000 |
| commit | f7caf6f5c640cb1756c01184898f176438a3a0c2 (patch) | |
| tree | 4d32de11b18d5f6296207961b5f25d0949af80c0 /libtomcrypt/notes/tech0005.txt | |
| parent | e444f0cfe67c71d3f38854f27cefae9aea6c4cd9 (diff) | |
| parent | 3f49fc5f2ca0ec4adb5cac081f502cbb86702efa (diff) | |
propagate from branch 'au.asn.ucc.matt.dropbear' (head 0501e6f661b5415eb76f3b312d183c3adfbfb712)
to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 01038174ec27245b51bd43a66c01ad930880f67b)
--HG--
branch : agent-client
extra : convert_revision : 12b2f59db65e7339d340e95ac67d6d9ddb193c2b
Diffstat (limited to 'libtomcrypt/notes/tech0005.txt')
| -rw-r--r-- | libtomcrypt/notes/tech0005.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libtomcrypt/notes/tech0005.txt b/libtomcrypt/notes/tech0005.txt new file mode 100644 index 0000000..8f393d5 --- /dev/null +++ b/libtomcrypt/notes/tech0005.txt @@ -0,0 +1,18 @@ +Tech Note 0005 +Minimizing Code Space +Tom St Denis + +Introduction +------------ + +Tweaking... + +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. + +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 + +Neato eh? |