diff options
Diffstat (limited to 'firmware/lib/cryptolib/sha_utility.c')
-rw-r--r-- | firmware/lib/cryptolib/sha_utility.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/firmware/lib/cryptolib/sha_utility.c b/firmware/lib/cryptolib/sha_utility.c index bec7209c..c676040b 100644 --- a/firmware/lib/cryptolib/sha_utility.c +++ b/firmware/lib/cryptolib/sha_utility.c @@ -12,53 +12,65 @@ void DigestInit(DigestContext* ctx, int sig_algorithm) { ctx->algorithm = hash_type_map[sig_algorithm]; switch(ctx->algorithm) { +#ifndef CHROMEOS_EC case SHA1_DIGEST_ALGORITHM: ctx->sha1_ctx = (SHA1_CTX*) VbExMalloc(sizeof(SHA1_CTX)); SHA1_init(ctx->sha1_ctx); break; +#endif case SHA256_DIGEST_ALGORITHM: ctx->sha256_ctx = (SHA256_CTX*) VbExMalloc(sizeof(SHA256_CTX)); SHA256_init(ctx->sha256_ctx); break; +#ifndef CHROMEOS_EC case SHA512_DIGEST_ALGORITHM: ctx->sha512_ctx = (SHA512_CTX*) VbExMalloc(sizeof(SHA512_CTX)); SHA512_init(ctx->sha512_ctx); break; +#endif }; } void DigestUpdate(DigestContext* ctx, const uint8_t* data, uint32_t len) { switch(ctx->algorithm) { +#ifndef CHROMEOS_EC case SHA1_DIGEST_ALGORITHM: SHA1_update(ctx->sha1_ctx, data, len); break; +#endif case SHA256_DIGEST_ALGORITHM: SHA256_update(ctx->sha256_ctx, data, len); break; +#ifndef CHROMEOS_EC case SHA512_DIGEST_ALGORITHM: SHA512_update(ctx->sha512_ctx, data, len); break; +#endif }; } uint8_t* DigestFinal(DigestContext* ctx) { uint8_t* digest = NULL; switch(ctx->algorithm) { +#ifndef CHROMEOS_EC case SHA1_DIGEST_ALGORITHM: digest = (uint8_t*) VbExMalloc(SHA1_DIGEST_SIZE); Memcpy(digest, SHA1_final(ctx->sha1_ctx), SHA1_DIGEST_SIZE); VbExFree(ctx->sha1_ctx); break; +#endif case SHA256_DIGEST_ALGORITHM: digest = (uint8_t*) VbExMalloc(SHA256_DIGEST_SIZE); Memcpy(digest, SHA256_final(ctx->sha256_ctx), SHA256_DIGEST_SIZE); VbExFree(ctx->sha256_ctx); break; +#ifndef CHROMEOS_EC case SHA512_DIGEST_ALGORITHM: digest = (uint8_t*) VbExMalloc(SHA512_DIGEST_SIZE); Memcpy(digest, SHA512_final(ctx->sha512_ctx), SHA512_DIGEST_SIZE); VbExFree(ctx->sha512_ctx); break; +#endif }; return digest; } @@ -71,6 +83,20 @@ uint8_t* DigestBuf(const uint8_t* buf, uint64_t len, int sig_algorithm) { */ typedef uint8_t* (*Hash_ptr) (const uint8_t*, uint64_t, uint8_t*); Hash_ptr hash[] = { +#ifdef CHROMEOS_EC + 0, /* RSA 1024 */ + 0, + 0, + 0, /* RSA 2048 */ + 0, + 0, + 0, /* RSA 4096 */ + SHA256, + 0, + 0, /* RSA 8192 */ + 0, + 0, +#else SHA1, /* RSA 1024 */ SHA256, SHA512, @@ -83,6 +109,7 @@ uint8_t* DigestBuf(const uint8_t* buf, uint64_t len, int sig_algorithm) { SHA1, /* RSA 8192 */ SHA256, SHA512, +#endif }; /* Call the appropriate hash function. */ return hash[sig_algorithm](buf, len, digest); |