diff options
Diffstat (limited to 'chip/g/dcrypto/internal.h')
| -rw-r--r-- | chip/g/dcrypto/internal.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/chip/g/dcrypto/internal.h b/chip/g/dcrypto/internal.h index 279b2798e7..3be8a406a7 100644 --- a/chip/g/dcrypto/internal.h +++ b/chip/g/dcrypto/internal.h @@ -26,10 +26,30 @@ struct HASH_VTAB { uint32_t size; }; +#define SHA1_DIGEST_BYTES 20 +#define SHA256_DIGEST_BYTES 32 +#define SHA384_DIGEST_BYTES 48 +#define SHA512_DIGEST_BYTES 64 + +#define SHA1_DIGEST_WORDS (SHA1_DIGEST_BYTES / sizeof(uint32_t)) +#define SHA256_DIGEST_WORDS (SHA256_DIGEST_BYTES / sizeof(uint32_t)) +#define SHA384_DIGEST_WORDS (SHA384_DIGEST_BYTES / sizeof(uint32_t)) +#define SHA512_DIGEST_WORDS (SHA512_DIGEST_BYTES / sizeof(uint32_t)) + +#if defined(CONFIG_SHA512) +#define SHA_DIGEST_MAX_BYTES SHA512_DIGEST_BYTES +#elif defined(CONFIG_SHA384) +#define SHA_DIGEST_MAX_BYTES SHA384_DIGEST_BYTES +#elif defined(CONFIG_SHA256) +#define SHA_DIGEST_MAX_BYTES SHA256_DIGEST_BYTES +#elif defined CONFIG_SHA1 +#define SHA_DIGEST_MAX_BYTES SHA1_DIGEST_BYTES +#endif + struct HASH_CTX { const struct HASH_VTAB *vtab; union { - uint8_t buf[64]; + uint8_t buf[SHA_DIGEST_MAX_BYTES]; struct sha1_ctx sw_sha1; struct sha256_ctx sw_sha256; } u; |