]> git.saurik.com Git - apple/security.git/blobdiff - Security/sec/Security/SecPBKDF.c
Security-57336.1.9.tar.gz
[apple/security.git] / Security / sec / Security / SecPBKDF.c
diff --git a/Security/sec/Security/SecPBKDF.c b/Security/sec/Security/SecPBKDF.c
deleted file mode 100644 (file)
index 0aa2bc2..0000000
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- *  SecPBKDF.c
- *
- *  Copyright (c) 2010,2012 Apple Inc. All Rights Reserved.
- *
- */
-
-#include "Security/SecPBKDF.h"
-#include "Security/pbkdf2.h"
-
-#include <CommonCrypto/CommonHMAC.h>
-
-#include <string.h>
-
-/* CC Based HMAC PRF functions */
-void hmac_sha1_PRF(const uint8_t *key,
-                   size_t key_len,
-                   const uint8_t *text,
-                   size_t text_len,
-                   uint8_t digest[CC_SHA1_DIGEST_LENGTH])
-{
-    CCHmacContext hmac_sha1_context;
-    
-    CCHmacInit(&hmac_sha1_context, kCCHmacAlgSHA1, key, key_len);
-    CCHmacUpdate(&hmac_sha1_context, text, text_len);
-    CCHmacFinal(&hmac_sha1_context, digest);
-}
-
-
-/* This implements the HMAC SHA-1 version of pbkdf2 and allocates a local buffer for the HMAC */
-void pbkdf2_hmac_sha1(const uint8_t *passwordPtr, size_t passwordLen,
-                      const uint8_t *saltPtr, size_t saltLen,
-                      uint32_t iterationCount,
-                      void *dkPtr, size_t dkLen)
-{
-    // MAX(salt_length + 4, 20 /* SHA1 Digest size */) + 2 * 20;
-    // salt_length + HASH_SIZE is bigger than either salt + 4 and digestSize.
-    const size_t kBigEnoughSize = (saltLen + CC_SHA1_DIGEST_LENGTH) + 2 * CC_SHA1_DIGEST_LENGTH;
-    uint8_t temp_data[kBigEnoughSize];
-
-    pbkdf2(hmac_sha1_PRF, CC_SHA1_DIGEST_LENGTH,
-           passwordPtr, passwordLen,
-           saltPtr, saltLen,
-           iterationCount,
-           dkPtr, dkLen,
-           temp_data);
-                   
-    bzero(temp_data, kBigEnoughSize);    
-}
-
-
-void SecKeyFromPassphraseDataHMACSHA1(CFDataRef password, CFDataRef salt, uint32_t interationCount, CFMutableDataRef derivedKey)
-{
-    pbkdf2_hmac_sha1(CFDataGetBytePtr(password), CFDataGetLength(password),
-                     CFDataGetBytePtr(salt), CFDataGetLength(salt),
-                     interationCount,
-                     CFDataGetMutableBytePtr(derivedKey), CFDataGetLength(derivedKey));
-
-}