PS3 SCETool v0.2.2 by Naehrwert Arrives, Fixes and Optimizations

Setup:
 - /data/keys : Keyfile.
 - /data/ldr_curves : Loader curves (7744 bytes).
 - /data/vsh_curves : VSH curves (360 bytes).

Keyfile format:
 [keyname]
 type={SELF, RVK, PKG, SPP, OTHER}
 revision={00, ..., 18, 8000}
 version={..., 0001000000000000, ...}
 self_type={LV0, LV1, LV2, APP, ISO, LDR, UNK_7, NPDRM}
 key=...
 erk=...
 riv=...
 pub=...
 priv=...
 ctype=...

Keyset example:
 [metldr]
 type=SELF
 revision=00
 self_type=LDR
 erk=0000000000000000000000000000000000000000000000000000000000000000
 riv=00000000000000000000000000000000
 pub=00000000000000000000000000000000000000000000000000000000000000000000000000000000
 priv=000000000000000000000000000000000000000000
 ctype=00

NPDRM key(set) names:
 - [NP_tid]: Title ID OMAC1 key.
 - [NP_ci]: Control info OMAC1 key.
 - [NP_klic_free]: Free klicensee.
 - [NP_klic_key]: Klicensee key.
 - [NP_sig]: Footer signature ECDSA keyset.

Help text:
 USAGE: scetool [options] command
 COMMANDS           Parameters       Explanation
  -h, --help                         Print this help.
  -k, --print-keys                   List keys.
  -i, --print-infos file_in          Print SCE file info.
  -d, --decrypt     file_in file_out Decrypt/dump SCE file.
  -e, --encrypt     file_in file_out Encrypt/create SCE file.
 OPTIONS                Possible Values       Explanation
  -v, --verbose                               Enable verbose output.
  -0, --sce-type        SELF/RVK/PKG/SPP      SCE File Type
  -1, --compress-data   TRUE/FALSE(default)   Whether to compress data or not.
  -2, --key-revision    e.g. 00,01,...,0A,... Key Revision
  -3, --self-auth-id    e.g. 1010000001000003 Auth ID
  -4, --self-vendor-id  e.g. 01000002         Vendor ID
  -5, --self-type       LV0/LV1/LV2/APP/ISO/
                        LDR/NPDRM             SELF Type
  -6, --self-fw-version e.g. 0003004100000000 Firmware Version
  -7, --self-add-shdrs  TRUE(default)/FALSE   Whether to add ELF shdrs or not.
  -8, --self-ctrl-flags                       Override control flags.
  -9, --self-cap-flags                        Override capability flags.
  -a, --np-license-type FREE                  License Type
  -b, --np-app-type     SPRX/EXEC/UPDATE      App Type
  -c, --np-content-id                         Content ID
  -f, --np-real-fname   e.g. EBOOT.BIN        Real Filename
  -g, --np-add-sig      TRUE/FALSE(default)   Whether to add a NP sig. or not.