renaming sha256 functions to avoid clashing with esp8266:esp8266:huzzah

Author: andreagilardoni

src/sha256/SHA256.h

@@ -15,16 +15,16 @@
 namespace arduino { namespace sha256 {
 
     inline void begin(sha256_ctx * ctx) {
-        return sha256_init(ctx);
+        return acu_sha256_init(ctx);
     }
     inline void update(sha256_ctx *ctx, const uint8_t *input, uint32_t length) {
-        return sha256_update(ctx, input, length);
+        return acu_sha256_update(ctx, input, length);
     }
     inline void finalize(sha256_ctx * ctx, uint8_t digest[SHA256_DIGEST_SIZE]) {
-        return sha256_final(ctx, digest);
+        return acu_sha256_final(ctx, digest);
     }
     inline void sha256(const unsigned char *input, unsigned int ilen, unsigned char *output) {
-        ::sha256(input, ilen, output);
+        ::acu_sha256(input, ilen, output);
     }
 
     class SHA256 {

src/sha256/sha2.c

@@ -245,16 +245,16 @@ static void sha256_transf(sha256_ctx *ctx, const uint8_t *message,
 
 /* SHA-256 functions */
 
-void sha256(const uint8_t *message, uint64_t len, uint8_t *digest)
+void acu_sha256(const uint8_t *message, uint64_t len, uint8_t *digest)
 {
     sha256_ctx ctx;
 
-    sha256_init(&ctx);
-    sha256_update(&ctx, message, len);
-    sha256_final(&ctx, digest);
+    acu_sha256_init(&ctx);
+    acu_sha256_update(&ctx, message, len);
+    acu_sha256_final(&ctx, digest);
 }
 
-void sha256_init(sha256_ctx *ctx)
+void acu_sha256_init(sha256_ctx *ctx)
 {
 #ifndef UNROLL_LOOPS
     int i;
@@ -272,7 +272,7 @@ void sha256_init(sha256_ctx *ctx)
     ctx->tot_len = 0;
 }
 
-void sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len)
+void acu_sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len)
 {
     uint64_t block_nb;
     uint64_t new_len, rem_len, tmp_len;
@@ -304,7 +304,7 @@ void sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len)
     ctx->tot_len += (block_nb + 1) << 6;
 }
 
-void sha256_final(sha256_ctx *ctx, uint8_t *digest)
+void acu_sha256_final(sha256_ctx *ctx, uint8_t *digest)
 {
     uint64_t block_nb;
     uint64_t pm_len;

src/sha256/sha2.h

@@ -51,10 +51,10 @@ typedef struct {
     uint32_t h[8];
 } sha256_ctx;
 
-void sha256_init(sha256_ctx * ctx);
-void sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len);
-void sha256_final(sha256_ctx *ctx, uint8_t *digest);
-void sha256(const uint8_t *message, uint64_t len, uint8_t *digest);
+void acu_sha256_init(sha256_ctx * ctx);
+void acu_sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len);
+void acu_sha256_final(sha256_ctx *ctx, uint8_t *digest);
+void acu_sha256(const uint8_t *message, uint64_t len, uint8_t *digest);
 
 #ifdef __cplusplus
 }