We don't need an API specially for non-watchdog since sha1_csum_wd supports it by disabling CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG. Set 0x10000 as default chunk size for SHA1.
Signed-off-by: Raymond Mao raymond.mao@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org --- Changes in v4 - Initial patch. Changes in v5 - None.
board/gdsys/a38x/hre.c | 2 +- include/u-boot/sha1.h | 12 ++---------- lib/sha1.c | 13 ------------- lib/tpm-v1.c | 2 +- 4 files changed, 4 insertions(+), 25 deletions(-)
diff --git a/board/gdsys/a38x/hre.c b/board/gdsys/a38x/hre.c index f303793b63b..06856ea36d3 100644 --- a/board/gdsys/a38x/hre.c +++ b/board/gdsys/a38x/hre.c @@ -166,7 +166,7 @@ static int find_key(struct udevice *tpm, const uint8_t auth[20], return -1; if (err) continue; - sha1_csum(buf, buf_len, digest); + sha1_csum_wd(buf, buf_len, digest, SHA1_DEF_CHUNK_SZ); if (!memcmp(digest, pubkey_digest, 20)) { *handle = key_handles[i]; return 0; diff --git a/include/u-boot/sha1.h b/include/u-boot/sha1.h index ab88134fb98..36c3db15e22 100644 --- a/include/u-boot/sha1.h +++ b/include/u-boot/sha1.h @@ -39,6 +39,8 @@ extern "C" { #define SHA1_SUM_LEN 20 #define SHA1_DER_LEN 15
+#define SHA1_DEF_CHUNK_SZ 0x10000 + extern const uint8_t sha1_der_prefix[];
#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) @@ -81,16 +83,6 @@ void sha1_update(sha1_context *ctx, const unsigned char *input, */ void sha1_finish( sha1_context *ctx, unsigned char output[20] );
-/** - * \brief Output = SHA-1( input buffer ) - * - * \param input buffer holding the data - * \param ilen length of the input data - * \param output SHA-1 checksum result - */ -void sha1_csum(const unsigned char *input, unsigned int ilen, - unsigned char *output); - /** * \brief Output = SHA-1( input buffer ), with watchdog triggering * diff --git a/lib/sha1.c b/lib/sha1.c index 7ef536f4b5d..81412283b49 100644 --- a/lib/sha1.c +++ b/lib/sha1.c @@ -304,19 +304,6 @@ void sha1_finish (sha1_context * ctx, unsigned char output[20]) PUT_UINT32_BE (ctx->state[4], output, 16); }
-/* - * Output = SHA-1( input buffer ) - */ -void sha1_csum(const unsigned char *input, unsigned int ilen, - unsigned char *output) -{ - sha1_context ctx; - - sha1_starts (&ctx); - sha1_update (&ctx, input, ilen); - sha1_finish (&ctx, output); -} - /* * Output = SHA-1( input buffer ). Trigger the watchdog every 'chunk_sz' * bytes of input processed. diff --git a/lib/tpm-v1.c b/lib/tpm-v1.c index e66023da5e6..a6727c575fd 100644 --- a/lib/tpm-v1.c +++ b/lib/tpm-v1.c @@ -871,7 +871,7 @@ u32 tpm1_find_key_sha1(struct udevice *dev, const u8 auth[20], return -1; if (err) continue; - sha1_csum(buf, buf_len, digest); + sha1_csum_wd(buf, buf_len, digest, SHA1_DEF_CHUNK_SZ); if (!memcmp(digest, pubkey_digest, 20)) { *handle = key_handles[i]; return 0;