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author | Paul Kehrer <paul.l.kehrer@gmail.com> | 2014-01-19 17:13:32 -0600 |
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committer | Paul Kehrer <paul.l.kehrer@gmail.com> | 2014-01-19 17:23:39 -0600 |
commit | 6665922672948a45ce5d306458660ef094b37007 (patch) | |
tree | a98c824b82da86a5fdfec42703acda51ece2d3bd | |
parent | 83a299c450260e895ab7e3a0a4d4e0a44a8ece31 (diff) | |
download | cryptography-6665922672948a45ce5d306458660ef094b37007.tar.gz cryptography-6665922672948a45ce5d306458660ef094b37007.tar.bz2 cryptography-6665922672948a45ce5d306458660ef094b37007.zip |
add cipher bindings for CommonCrypto
-rw-r--r-- | cryptography/hazmat/bindings/commoncrypto/binding.py | 1 | ||||
-rw-r--r-- | cryptography/hazmat/bindings/commoncrypto/common_cryptor.py | 131 |
2 files changed, 132 insertions, 0 deletions
diff --git a/cryptography/hazmat/bindings/commoncrypto/binding.py b/cryptography/hazmat/bindings/commoncrypto/binding.py index 9c1af40a..a5a0dca8 100644 --- a/cryptography/hazmat/bindings/commoncrypto/binding.py +++ b/cryptography/hazmat/bindings/commoncrypto/binding.py @@ -26,6 +26,7 @@ class Binding(object): _modules = [ "common_digest", "common_hmac", + "common_cryptor", ] ffi = None diff --git a/cryptography/hazmat/bindings/commoncrypto/common_cryptor.py b/cryptography/hazmat/bindings/commoncrypto/common_cryptor.py new file mode 100644 index 00000000..69edf1e7 --- /dev/null +++ b/cryptography/hazmat/bindings/commoncrypto/common_cryptor.py @@ -0,0 +1,131 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +INCLUDES = """ +#include <CommonCrypto/CommonCryptor.h> +""" + +TYPES = """ +enum { + kCCAlgorithmAES128 = 0, + kCCAlgorithmDES, + kCCAlgorithm3DES, + kCCAlgorithmCAST, + kCCAlgorithmRC4, + kCCAlgorithmRC2, + kCCAlgorithmBlowfish +}; +typedef uint32_t CCAlgorithm; +enum { + kCCSuccess = 0, + kCCParamError = -4300, + kCCBufferTooSmall = -4301, + kCCMemoryFailure = -4302, + kCCAlignmentError = -4303, + kCCDecodeError = -4304, + kCCUnimplemented = -4305 +}; +typedef int32_t CCCryptorStatus; +typedef uint32_t CCOptions; +enum { + kCCEncrypt = 0, + kCCDecrypt, +}; +typedef uint32_t CCOperation; +typedef ... *CCCryptorRef; + +enum { + kCCModeOptionCTR_LE = 0x0001, + kCCModeOptionCTR_BE = 0x0002 +}; + +typedef uint32_t CCModeOptions; + +enum { + kCCModeECB = 1, + kCCModeCBC = 2, + kCCModeCFB = 3, + kCCModeCTR = 4, + kCCModeF8 = 5, // Unimplemented for now (not included) + kCCModeLRW = 6, // Unimplemented for now (not included) + kCCModeOFB = 7, + kCCModeXTS = 8, + kCCModeRC4 = 9, + kCCModeCFB8 = 10, +}; +typedef uint32_t CCMode; +enum { + ccNoPadding = 0, + ccPKCS7Padding = 1, +}; +typedef uint32_t CCPadding; +""" + +FUNCTIONS = """ +CCCryptorStatus CCCryptorCreateWithMode( + CCOperation, /* kCCEncrypt, kCCEncrypt */ + CCMode, + CCAlgorithm, + CCPadding, + const void *, /* optional initialization vector */ + const void *, /* raw key material */ + size_t, + const void *, /* raw tweak material */ + size_t, + int, /* number of rounds. 0 == default */ + CCModeOptions, + CCCryptorRef *); /* RETURNED */ + +CCCryptorStatus CCCryptorCreate( + CCOperation, /* kCCEncrypt, etc. */ + CCAlgorithm, /* kCCAlgorithmDES, etc. */ + CCOptions, /* kCCOptionPKCS7Padding, etc. */ + const void *, /* raw key material */ + size_t, + const void *, /* optional initialization vector */ + CCCryptorRef *); /* RETURNED */ +CCCryptorStatus CCCryptorUpdate( + CCCryptorRef, + const void *, + size_t, + void *, /* data RETURNED here */ + size_t, + size_t *); /* number of bytes written */ +CCCryptorStatus CCCryptorFinal( + CCCryptorRef, + void *, + size_t, + size_t *); /* number of bytes written */ +CCCryptorStatus CCCryptorRelease(CCCryptorRef); + +/* GCM functions, 10.8+ iOS 5+ */ +enum { + kCCModeGCM = 11 +}; +CCCryptorStatus CCCryptorGCMAddIV(CCCryptorRef, const void *, size_t); +CCCryptorStatus CCCryptorGCMAddAAD(CCCryptorRef, const void *, size_t); +CCCryptorStatus CCCryptorGCMEncrypt(CCCryptorRef, const void *, size_t, + void *); +CCCryptorStatus CCCryptorGCMDecrypt(CCCryptorRef, const void *, size_t, + void *); +CCCryptorStatus CCCryptorGCMFinal(CCCryptorRef, const void *, size_t *); +CCCryptorStatus CCCryptorGCMReset(CCCryptorRef); +""" + +MACROS = """ +""" + +CUSTOMIZATIONS = """ +""" + +CONDITIONAL_NAMES = {} |