| /* |
| * Common values for SHA algorithms |
| */ |
| |
| #ifndef SHA1_H |
| #define SHA1_H |
| |
| #include "types.h" |
| #include <string.h> |
| |
| #define SHA1_DIGEST_WORDS 5 |
| #define SHA1_DIGEST_BYTES (SHA1_DIGEST_WORDS * 4) |
| #define SHA1_BLOCK_WORDS 16 |
| #define SHA1_BLOCK_BYTES (SHA1_BLOCK_WORDS * 4) |
| #define SHA1_WORKSPACE_WORDS 80 |
| #define SHA1_COUNTER_BYTES 8 |
| |
| struct sha1_ctx { |
| u32 digest[SHA1_DIGEST_WORDS]; |
| u32 block[SHA1_BLOCK_WORDS]; |
| u64 count; |
| }; |
| |
| void sha1_init(struct sha1_ctx *ctx); |
| void sha1_update(struct sha1_ctx *ctx, const void *data_in, size_t len); |
| void sha1_final(struct sha1_ctx *ctx, u8 *out); |
| |
| #endif |
