xnu-4903.270.47.tar.gz

[apple/xnu.git] / osfmk / corecrypto / ccsha1 / src / ccdigest_final_64be.c

diff --git a/osfmk/corecrypto/ccsha1/src/ccdigest_final_64be.c b/osfmk/corecrypto/ccsha1/src/ccdigest_final_64be.c
index be6acaa1a722b92a5cd13b5692a4f574f03ad2c3..8b30793d57e6d9e371e1aa900e777748b69d3748 100644 (file)
--- a/osfmk/corecrypto/ccsha1/src/ccdigest_final_64be.c
+++ b/osfmk/corecrypto/ccsha1/src/ccdigest_final_64be.c
@@ -37,31 +37,33 @@
 #include "ccdigest_internal.h"
 
 /* This can be used for SHA1, SHA256 and SHA224 */
-void ccdigest_final_64be(const struct ccdigest_info *di, ccdigest_ctx_t ctx,
-                         unsigned char *digest) {
-    ccdigest_nbits(di, ctx) += ccdigest_num(di, ctx) * 8;
-    ccdigest_data(di, ctx)[ccdigest_num(di, ctx)++] = 0x80;
+void
+ccdigest_final_64be(const struct ccdigest_info *di, ccdigest_ctx_t ctx,
+    unsigned char *digest)
+{
+       ccdigest_nbits(di, ctx) += ccdigest_num(di, ctx) * 8;
+       ccdigest_data(di, ctx)[ccdigest_num(di, ctx)++] = 0x80;
 
-    /* If we don't have at least 8 bytes (for the length) left we need to add
-     a second block. */
-    if (ccdigest_num(di, ctx) > 64 - 8) {
-        while (ccdigest_num(di, ctx) < 64) {
-            ccdigest_data(di, ctx)[ccdigest_num(di, ctx)++] = 0;
-        }
-        di->compress(ccdigest_state(di, ctx), 1, ccdigest_data(di, ctx));
-        ccdigest_num(di, ctx) = 0;
-    }
+       /* If we don't have at least 8 bytes (for the length) left we need to add
+        *  a second block. */
+       if (ccdigest_num(di, ctx) > 64 - 8) {
+               while (ccdigest_num(di, ctx) < 64) {
+                       ccdigest_data(di, ctx)[ccdigest_num(di, ctx)++] = 0;
+               }
+               di->compress(ccdigest_state(di, ctx), 1, ccdigest_data(di, ctx));
+               ccdigest_num(di, ctx) = 0;
+       }
 
-    /* pad upto block_size minus 8 with 0s */
-    while (ccdigest_num(di, ctx) < 64 - 8) {
-        ccdigest_data(di, ctx)[ccdigest_num(di, ctx)++] = 0;
-    }
+       /* pad upto block_size minus 8 with 0s */
+       while (ccdigest_num(di, ctx) < 64 - 8) {
+               ccdigest_data(di, ctx)[ccdigest_num(di, ctx)++] = 0;
+       }
 
-    CC_STORE64_BE(ccdigest_nbits(di, ctx), ccdigest_data(di, ctx) + 64 - 8);
-    di->compress(ccdigest_state(di, ctx), 1, ccdigest_data(di, ctx));
+       CC_STORE64_BE(ccdigest_nbits(di, ctx), ccdigest_data(di, ctx) + 64 - 8);
+       di->compress(ccdigest_state(di, ctx), 1, ccdigest_data(di, ctx));
 
-    /* copy output */
-    for (unsigned int i = 0; i < di->output_size / 4; i++) {
-        CC_STORE32_BE(ccdigest_state_u32(di, ctx)[i], digest+(4*i));
-    }
+       /* copy output */
+       for (unsigned int i = 0; i < di->output_size / 4; i++) {
+               CC_STORE32_BE(ccdigest_state_u32(di, ctx)[i], digest + (4 * i));
+       }
 }