-
#include <libkern/crypto/crypto_internal.h>
#include <libkern/crypto/md5.h>
#include <kern/debug.h>
#include <corecrypto/ccdigest.h>
-static uint64_t getCount(MD5_CTX *ctx)
+static uint64_t
+getCount(MD5_CTX *ctx)
{
- return ( (((uint64_t)ctx->count[0])<<32) | (ctx->count[1]) );
+ return (((uint64_t)ctx->count[0]) << 32) | (ctx->count[1]);
}
-static void setCount(MD5_CTX *ctx, uint64_t count)
+static void
+setCount(MD5_CTX *ctx, uint64_t count)
{
- ctx->count[0]=(uint32_t)(count>>32);
- ctx->count[1]=(uint32_t)count;
+ ctx->count[0] = (uint32_t)(count >> 32);
+ ctx->count[1] = (uint32_t)count;
}
/* Copy a ccdigest ctx into a legacy MD5 context */
-static void DiToMD5(const struct ccdigest_info *di, struct ccdigest_ctx *di_ctx, MD5_CTX *md5_ctx)
+static void
+DiToMD5(const struct ccdigest_info *di, struct ccdigest_ctx *di_ctx, MD5_CTX *md5_ctx)
{
- setCount(md5_ctx, ccdigest_nbits(di, di_ctx)/8+ccdigest_num(di, di_ctx));
+ setCount(md5_ctx, ccdigest_nbits(di, di_ctx) / 8 + ccdigest_num(di, di_ctx));
memcpy(md5_ctx->buffer, ccdigest_data(di, di_ctx), di->block_size);
memcpy(md5_ctx->state, ccdigest_state_ccn(di, di_ctx), di->state_size);
}
/* Copy a legacy MD5 context into a ccdigest ctx */
-static void MD5ToDi(const struct ccdigest_info *di, MD5_CTX *md5_ctx, struct ccdigest_ctx *di_ctx)
+static void
+MD5ToDi(const struct ccdigest_info *di, MD5_CTX *md5_ctx, struct ccdigest_ctx *di_ctx)
{
uint64_t count = getCount(md5_ctx);
-
- ccdigest_num(di, di_ctx)=count%di->block_size;
- ccdigest_nbits(di, di_ctx)=(count-ccdigest_num(di, di_ctx))*8;
+
+ ccdigest_num(di, di_ctx) = count % di->block_size;
+ ccdigest_nbits(di, di_ctx) = (count - ccdigest_num(di, di_ctx)) * 8;
memcpy(ccdigest_data(di, di_ctx), md5_ctx->buffer, di->block_size);
- memcpy(ccdigest_state_ccn(di, di_ctx), md5_ctx->state, di->state_size);
+ memcpy(ccdigest_state_ccn(di, di_ctx), md5_ctx->state, di->state_size);
}
-void MD5Init(MD5_CTX *ctx)
+void
+MD5Init(MD5_CTX *ctx)
{
- const struct ccdigest_info *di=g_crypto_funcs->ccmd5_di;
+ const struct ccdigest_info *di = g_crypto_funcs->ccmd5_di;
ccdigest_di_decl(di, di_ctx);
-
+
g_crypto_funcs->ccdigest_init_fn(di, di_ctx);
-
+
DiToMD5(di, di_ctx, ctx);
}
-void MD5Update(MD5_CTX *ctx, const void *data, unsigned int len)
+void
+MD5Update(MD5_CTX *ctx, const void *data, unsigned int len)
{
- const struct ccdigest_info *di=g_crypto_funcs->ccmd5_di;
+ const struct ccdigest_info *di = g_crypto_funcs->ccmd5_di;
ccdigest_di_decl(di, di_ctx);
-
+
MD5ToDi(di, ctx, di_ctx);
- g_crypto_funcs->ccdigest_update_fn(di, di_ctx, len, data);
+ g_crypto_funcs->ccdigest_update_fn(di, di_ctx, len, data);
DiToMD5(di, di_ctx, ctx);
}
-void MD5Final(unsigned char digest[MD5_DIGEST_LENGTH], MD5_CTX *ctx)
+void
+MD5Final(unsigned char digest[MD5_DIGEST_LENGTH], MD5_CTX *ctx)
{
- const struct ccdigest_info *di=g_crypto_funcs->ccmd5_di;
+ const struct ccdigest_info *di = g_crypto_funcs->ccmd5_di;
ccdigest_di_decl(di, di_ctx);
-
+
MD5ToDi(di, ctx, di_ctx);
ccdigest_final(di, di_ctx, digest);
}
-