diff options
Diffstat (limited to 'src/boot/efi/sha256.c')
| -rw-r--r-- | src/boot/efi/sha256.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/boot/efi/sha256.c b/src/boot/efi/sha256.c index f23066d0ac..774f0eeb6c 100644 --- a/src/boot/efi/sha256.c +++ b/src/boot/efi/sha256.c @@ -94,7 +94,7 @@ void sha256_init_ctx(struct sha256_ctx *ctx) { void *sha256_finish_ctx(struct sha256_ctx *ctx, void *resbuf) { /* Take yet unprocessed bytes into account. */ UINT32 bytes = ctx->buflen; - UINTN pad, i; + UINTN pad; /* Now count remaining bytes. */ ctx->total64 += bytes; @@ -111,7 +111,7 @@ void *sha256_finish_ctx(struct sha256_ctx *ctx, void *resbuf) { sha256_process_block (ctx->buffer, bytes + pad + 8, ctx); /* Put result from CTX in first 32 bytes following RESBUF. */ - for (i = 0; i < 8; ++i) + for (UINTN i = 0; i < 8; ++i) ((UINT32 *) resbuf)[i] = SWAP (ctx->H[i]); return resbuf; @@ -214,7 +214,6 @@ static void sha256_process_block(const void *buffer, UINTN len, struct sha256_ct UINT32 f_save = f; UINT32 g_save = g; UINT32 h_save = h; - UINTN t; /* Operators defined in FIPS 180-2:4.1.2. */ #define Ch(x, y, z) ((x & y) ^ (~x & z)) @@ -229,15 +228,15 @@ static void sha256_process_block(const void *buffer, UINTN len, struct sha256_ct #define CYCLIC(w, s) ((w >> s) | (w << (32 - s))) /* Compute the message schedule according to FIPS 180-2:6.2.2 step 2. */ - for (t = 0; t < 16; ++t) { + for (UINTN t = 0; t < 16; ++t) { W[t] = SWAP (*words); ++words; } - for (t = 16; t < 64; ++t) + for (UINTN t = 16; t < 64; ++t) W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16]; /* The actual computation according to FIPS 180-2:6.2.2 step 3. */ - for (t = 0; t < 64; ++t) { + for (UINTN t = 0; t < 64; ++t) { UINT32 T1 = h + S1 (e) + Ch (e, f, g) + K[t] + W[t]; UINT32 T2 = S0 (a) + Maj (a, b, c); h = g; |