diff options
Diffstat (limited to 'common/base32.c')
| -rw-r--r-- | common/base32.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/common/base32.c b/common/base32.c index a6be8409b1..fc3fe3c8ae 100644 --- a/common/base32.c +++ b/common/base32.c @@ -1,4 +1,4 @@ -/* Copyright 2017 The Chromium OS Authors. All rights reserved. +/* Copyright 2017 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -9,15 +9,13 @@ #include "base32.h" #include "util.h" -static const unsigned char crc5_table1[] = { - 0x00, 0x0E, 0x1C, 0x12, 0x11, 0x1F, 0x0D, 0x03, - 0x0B, 0x05, 0x17, 0x19, 0x1A, 0x14, 0x06, 0x08 -}; +static const unsigned char crc5_table1[] = { 0x00, 0x0E, 0x1C, 0x12, 0x11, 0x1F, + 0x0D, 0x03, 0x0B, 0x05, 0x17, 0x19, + 0x1A, 0x14, 0x06, 0x08 }; -static const unsigned char crc5_table0[] = { - 0x00, 0x16, 0x05, 0x13, 0x0A, 0x1C, 0x0F, 0x19, - 0x14, 0x02, 0x11, 0x07, 0x1E, 0x08, 0x1B, 0x0D -}; +static const unsigned char crc5_table0[] = { 0x00, 0x16, 0x05, 0x13, 0x0A, 0x1C, + 0x0F, 0x19, 0x14, 0x02, 0x11, 0x07, + 0x1E, 0x08, 0x1B, 0x0D }; uint8_t crc5_sym(uint8_t sym, uint8_t previous_crc) { @@ -46,9 +44,8 @@ static int decode_sym(int sym) return -1; } -int base32_encode(char *dest, int destlen_chars, - const void *srcbits, int srclen_bits, - int add_crc_every) +int base32_encode(char *dest, int destlen_chars, const void *srcbits, + int srclen_bits, int add_crc_every) { const uint8_t *src = srcbits; int destlen_needed; @@ -59,14 +56,14 @@ int base32_encode(char *dest, int destlen_chars, *dest = 0; /* Make sure destination is big enough */ - destlen_needed = (srclen_bits + 4) / 5; /* Symbols before adding CRC */ + destlen_needed = (srclen_bits + 4) / 5; /* Symbols before adding CRC */ if (add_crc_every) { /* Must be an exact number of groups to add CRC */ if (destlen_needed % add_crc_every) return EC_ERROR_INVAL; destlen_needed += destlen_needed / add_crc_every; } - destlen_needed++; /* For terminating null */ + destlen_needed++; /* For terminating null */ if (destlen_chars < destlen_needed) return EC_ERROR_INVAL; @@ -124,7 +121,7 @@ int base32_decode(uint8_t *dest, int destlen_bits, const char *src, sym = decode_sym(*src); if (sym < 0) - return -1; /* Bad input symbol */ + return -1; /* Bad input symbol */ /* Check CRC if needed */ if (crc_after_every) { @@ -155,7 +152,7 @@ int base32_decode(uint8_t *dest, int destlen_bits, const char *src, dbits = 8 - (out_bits & 7); b = MIN(dbits, sbits); if (dbits == 8) - dest[out_bits / 8] = 0; /* Starting a new byte */ + dest[out_bits / 8] = 0; /* Starting a new byte */ dest[out_bits / 8] |= (sym << (dbits - b)) >> (sbits - b); out_bits += b; sbits -= b; |