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Update TOTP

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This commit is contained in:
MX
2023-04-28 14:04:16 +03:00
parent 96375e8244
commit e87256e01f
10 changed files with 60 additions and 28 deletions
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8
applications/external/totp/services/hmac/sha1.c vendored
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@@ -27,6 +27,8 @@
#include <stdint.h>
#include <string.h>
#include "sha_pad_buffer.h"
#ifdef WORDS_BIGENDIAN
#define SWAP(n) (n)
#else
@@ -34,10 +36,6 @@
#define SWAP(n) swap_uint32(n)
#endif
/* This array contains the bytes used to pad the buffer to the next
64-byte boundary. (RFC 1321, 3.1: Step 1) */
static const unsigned char fillbuf[64] = {0x80, 0 /* , 0, 0, ... */};
/* Take a pointer to a 160 bit block of data (five 32 bit ints) and
initialize it to the start constants of the SHA1 algorithm. This
must be called before using hash in the call to sha1_hash. */
@@ -87,7 +85,7 @@ void* sha1_finish_ctx(struct sha1_ctx* ctx, void* resbuf) {
ctx->buffer[size - 2] = SWAP((ctx->total[1] << 3) | (ctx->total[0] >> 29));
ctx->buffer[size - 1] = SWAP(ctx->total[0] << 3);
memcpy(&((char*)ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes);
sha_pad_buffer(&((uint8_t*)ctx->buffer)[bytes], (size - 2) * 4 - bytes);
/* Process last bytes. */
sha1_process_block(ctx->buffer, size * 4, ctx);