Merge tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Add virtual-address based lskcipher interface
   - Optimise ahash/shash performance in light of costly indirect calls
   - Remove ahash alignmask attribute

  Algorithms:
   - Improve AES/XTS performance of 6-way unrolling for ppc
   - Remove some uses of obsolete algorithms (md4, md5, sha1)
   - Add FIPS 202 SHA-3 support in pkcs1pad
   - Add fast path for single-page messages in adiantum
   - Remove zlib-deflate

  Drivers:
   - Add support for S4 in meson RNG driver
   - Add STM32MP13x support in stm32
   - Add hwrng interface support in qcom-rng
   - Add support for deflate algorithm in hisilicon/zip"

* tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (283 commits)
  crypto: adiantum - flush destination page before unmapping
  crypto: testmgr - move pkcs1pad(rsa,sha3-*) to correct place
  Documentation/module-signing.txt: bring up to date
  module: enable automatic module signing with FIPS 202 SHA-3
  crypto: asymmetric_keys - allow FIPS 202 SHA-3 signatures
  crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support
  crypto: FIPS 202 SHA-3 register in hash info for IMA
  x509: Add OIDs for FIPS 202 SHA-3 hash and signatures
  crypto: ahash - optimize performance when wrapping shash
  crypto: ahash - check for shash type instead of not ahash type
  crypto: hash - move "ahash wrapping shash" functions to ahash.c
  crypto: talitos - stop using crypto_ahash::init
  crypto: chelsio - stop using crypto_ahash::init
  crypto: ahash - improve file comment
  crypto: ahash - remove struct ahash_request_priv
  crypto: ahash - remove crypto_ahash_alignmask
  crypto: gcm - stop using alignmask of ahash
  crypto: chacha20poly1305 - stop using alignmask of ahash
  crypto: ccm - stop using alignmask of ahash
  net: ipv6: stop checking crypto_ahash_alignmask
  ...

1 files changed, 4 insertions, 4 deletions

diff --git a/tools/crypto/ccp/dbc.py b/tools/crypto/ccp/dbc.py
index 3f6a825ffc9e..2b91415b1940 100644
--- a/tools/crypto/ccp/dbc.py
+++ b/tools/crypto/ccp/dbc.py
@@ -27,8 +27,7 @@ lib = ctypes.CDLL("./dbc_library.so", mode=ctypes.RTLD_GLOBAL)
 
 
 def handle_error(code):
-    val = code * -1
-    raise OSError(val, os.strerror(val))
+    raise OSError(code, os.strerror(code))
 
 
 def get_nonce(device, signature):
@@ -58,7 +57,8 @@ def process_param(device, message, signature, data=None):
     if type(message) != tuple:
         raise ValueError("Expected message tuple")
     arg = ctypes.c_int(data if data else 0)
-    ret = lib.process_param(device.fileno(), message[0], signature, ctypes.pointer(arg))
+    sig = ctypes.create_string_buffer(signature, len(signature))
+    ret = lib.process_param(device.fileno(), message[0], ctypes.pointer(sig), ctypes.pointer(arg))
     if ret:
         handle_error(ret)
-    return arg, signature
+    return arg.value, sig.value