Security-57336.1.9.tar.gz

[apple/security.git] / Security / libsecurity_cryptkit / lib / ckSHA1.c

diff --git a/Security/libsecurity_cryptkit/lib/ckSHA1.c b/Security/libsecurity_cryptkit/lib/ckSHA1.c
deleted file mode 100644 (file)
index 94a20a6..0000000
--- a/Security/libsecurity_cryptkit/lib/ckSHA1.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* Copyright (c) 1998,2011,2014 Apple Inc.  All Rights Reserved.
- *
- * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
- * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
- * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE, INC. AND THE
- * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
- * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
- * EXPOSE YOU TO LIABILITY.
- ***************************************************************************
- *
- * ckSHA1.c - generic, portable SHA-1 hash object
- *
- * Revision History
- * ----------------
- * 10/06/98            ap
- *     Changed to compile with C++.
- * 07 Jan 1998 at Apple
- *     Created.
- */
- 
-#include "ckconfig.h"
-#include "feeTypes.h"
-#include "ckSHA1.h"
-
-#if    CRYPTKIT_LIBMD_DIGEST
-/*
- * For linking with AppleCSP: use libSystem SHA1 implementation.
- */
-#include <CommonCrypto/CommonDigest.h>
-#else
-#include "ckSHA1_priv.h"
-#endif
-#include "falloc.h"
-#include "platform.h"
-
-#if            CRYPTKIT_LIBMD_DIGEST
-/*
- * Trivial wrapper for SHA_CTX; a sha1Obj is a pointer to this.
- */
-typedef struct {
-       CC_SHA1_CTX             ctx;
-       unsigned char   digest[CC_SHA1_DIGEST_LENGTH];
-} Sha1Obj;
-
-sha1Obj sha1Alloc(void)
-{
-       void *rtn = fmalloc(sizeof(Sha1Obj));
-       memset(rtn, 0, sizeof(Sha1Obj));
-       CC_SHA1_Init(&(((Sha1Obj *)rtn)->ctx));
-       return (sha1Obj)rtn;
-}
-
-void sha1Reinit(sha1Obj sha1)
-{
-       Sha1Obj *ctx = (Sha1Obj *)sha1;
-       CC_SHA1_Init(&ctx->ctx);
-}
-
-void sha1Free(sha1Obj sha1)
-{
-       memset(sha1, 0, sizeof(Sha1Obj));
-       ffree(sha1);
-}
-
-void sha1AddData(sha1Obj sha1,
-       const unsigned char *data,
-       unsigned dataLen)
-{
-       Sha1Obj *ctx = (Sha1Obj *)sha1;
-       CC_SHA1_Update(&ctx->ctx, data, dataLen);
-}
-
-unsigned char *sha1Digest(sha1Obj sha1)
-{
-       Sha1Obj *ctx = (Sha1Obj *)sha1;
-       CC_SHA1_Final(ctx->digest, &ctx->ctx);
-       return ctx->digest;
-}
-
-unsigned sha1DigestLen(void)
-{
-       return CC_SHA1_DIGEST_LENGTH;
-}
-
-#else   /* standalone cryptkit implementation */
-
-/*
- * Private data for this object. A sha1Obj handle is cast to a pointer
- * to one of these.
- */
-typedef struct {
-       SHS_INFO        context;
-       int             isDone;
-
-       /*
-        * For storing partial blocks
-        */
-       BYTE            dataBuf[SHS_BLOCKSIZE];
-       unsigned        bufBytes;               // valid bytes in dataBuf[p]
-} sha1Inst;
-
-/*
- * Alloc and init an empty sha1 object.
- */
-sha1Obj sha1Alloc(void)
-{
-       sha1Inst *sinst;
-
-       sinst = (sha1Inst *)fmalloc(sizeof(sha1Inst));
-       if(sinst == NULL) {
-               return NULL;
-       }
-       shsInit(&sinst->context);
-       sha1Reinit((sha1Obj)sinst);
-       return (sha1Obj)sinst;
-}
-
-/*
- * Reusable init function.
- */
-void sha1Reinit(sha1Obj sha1)
-{
-       sha1Inst *sinst = (sha1Inst *) sha1;
-
-       shsInit(&sinst->context);
-       sinst->isDone = 0;
-       sinst->bufBytes = 0;
-}
-
-/*
- * Free an sha1 object.
- */
-void sha1Free(sha1Obj sha1)
-{
-       sha1Inst *sinst = (sha1Inst *) sha1;
-
-       memset(sha1, 0, sizeof(sha1Inst));
-       ffree(sinst);
-}
-
-/*
- * Add some data to the sha1 object.
- */
-void sha1AddData(sha1Obj sha1,
-       const unsigned char *data,
-       unsigned dataLen)
-{
-       sha1Inst *sinst = (sha1Inst *) sha1;
-       unsigned toMove;
-       unsigned blocks;
-
-       if(sinst->isDone) {
-               /*
-                * Log some kind of error here...
-                */
-               return;
-       }
-
-       /*
-        * First deal with partial buffered block
-        */
-       if(sinst->bufBytes != 0) {
-               toMove = SHS_BLOCKSIZE - sinst->bufBytes;
-               if(toMove > dataLen) {
-                       toMove = dataLen;
-               }
-               memmove(sinst->dataBuf+sinst->bufBytes, data, toMove);
-               data += toMove;
-               dataLen -= toMove;
-               sinst->bufBytes += toMove;
-               if(sinst->bufBytes == SHS_BLOCKSIZE) {
-                   shsUpdate(&sinst->context, sinst->dataBuf, SHS_BLOCKSIZE);
-                   sinst->bufBytes = 0;
-               }
-       }
-
-       /*
-        * Now the bulk of the data, in a multiple of full blocks
-        */
-       blocks = dataLen / SHS_BLOCKSIZE;
-       toMove = blocks * SHS_BLOCKSIZE;
-       if(toMove != 0) {
-           shsUpdate(&sinst->context, data, toMove);
-           data += toMove;
-           dataLen -= toMove;
-       }
-
-       /*
-        * Store any remainder in dataBuf
-        */
-       if(dataLen != 0) {
-               memmove(sinst->dataBuf, data, dataLen);
-               sinst->bufBytes = dataLen;
-       }
-}
-
-/*
- * Obtain a pointer to completed message digest, and the length of the digest.
- */
-unsigned char *sha1Digest(sha1Obj sha1)
-{
-       sha1Inst *sinst = (sha1Inst *) sha1;
-
-       if(!sinst->isDone) {
-               /*
-                * Deal with partial resid block
-                */
-               if(sinst->bufBytes != 0) {
-                       shsUpdate(&sinst->context, sinst->dataBuf,
-                               sinst->bufBytes);
-                       sinst->bufBytes = 0;
-               }
-               shsFinal(&sinst->context);
-               sinst->isDone = 1;
-       }
-       /*
-        * FIXME - should do explicit conversion to char array....?
-        */
-       return (unsigned char *)sinst->context.digest;
-}
-
-unsigned sha1DigestLen(void)
-{
-       return SHS_DIGESTSIZE;
-}
-
-#endif  /* CRYPTKIT_LIBMD_DIGEST */