mirror of
https://github.com/henrydcase/pqc.git
synced 2024-11-23 16:08:59 +00:00
65a6a63e08
* Put AES ctx on the heap This forces people to use the ``ctx_release`` functions, because otherwise there will be leaks * Put fips202 on the heap * Add much more docs for fips202.h * fixup! Put fips202 on the heap * Put SHA2 on the heap-supporting API * Fix clang-tidy warnings * Fix unreachable free() in falcon * Fix McEliece8192128f-sse GNU Makefile
175 lines
3.9 KiB
C
175 lines
3.9 KiB
C
#ifndef SHA2_H
|
|
#define SHA2_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
/* The incremental API allows hashing of individual input blocks; these blocks
|
|
must be exactly 64 bytes each.
|
|
Use the 'finalize' functions for any remaining bytes (possibly over 64). */
|
|
|
|
#define PQC_SHA256CTX_BYTES 40
|
|
/* Structure for the incremental API */
|
|
typedef struct {
|
|
uint8_t *ctx;
|
|
} sha224ctx;
|
|
|
|
/* Structure for the incremental API */
|
|
typedef struct {
|
|
uint8_t *ctx;
|
|
} sha256ctx;
|
|
|
|
#define PQC_SHA512CTX_BYTES 72
|
|
/* Structure for the incremental API */
|
|
typedef struct {
|
|
uint8_t *ctx;
|
|
} sha384ctx;
|
|
|
|
/* Structure for the incremental API */
|
|
typedef struct {
|
|
uint8_t *ctx;
|
|
} sha512ctx;
|
|
|
|
/* ====== SHA224 API ==== */
|
|
|
|
/**
|
|
* Initialize the incremental hashing API.
|
|
*
|
|
* Can't be called multiple times.
|
|
*/
|
|
void sha224_inc_init(sha224ctx *state);
|
|
|
|
/**
|
|
* Copy the hashing state
|
|
*/
|
|
void sha224_inc_ctx_clone(sha224ctx *stateout, const sha224ctx *statein);
|
|
|
|
/**
|
|
* Absorb blocks
|
|
*/
|
|
void sha224_inc_blocks(sha224ctx *state, const uint8_t *in, size_t inblocks);
|
|
|
|
/**
|
|
* Finalize and obtain the digest
|
|
*
|
|
* If applicable, this function will free the memory associated with the sha224ctx.
|
|
*
|
|
* If not calling this function, call `sha224_inc_ctx_release`
|
|
*/
|
|
void sha224_inc_finalize(uint8_t *out, sha224ctx *state, const uint8_t *in, size_t inlen);
|
|
|
|
/**
|
|
* Destroy the state. Make sure to use this, as this API may not always be stack-based.
|
|
*/
|
|
void sha224_inc_ctx_release(sha224ctx *state);
|
|
|
|
/**
|
|
* All-in-one sha224 function
|
|
*/
|
|
void sha224(uint8_t *out, const uint8_t *in, size_t inlen);
|
|
|
|
/* ====== SHA256 API ==== */
|
|
|
|
/**
|
|
* Initialize the incremental hashing API
|
|
*/
|
|
void sha256_inc_init(sha256ctx *state);
|
|
|
|
/**
|
|
* Copy the hashing state
|
|
*/
|
|
void sha256_inc_ctx_clone(sha256ctx *stateout, const sha256ctx *statein);
|
|
|
|
/**
|
|
* Absorb blocks
|
|
*/
|
|
void sha256_inc_blocks(sha256ctx *state, const uint8_t *in, size_t inblocks);
|
|
|
|
/**
|
|
* Finalize and obtain the digest
|
|
*
|
|
* If applicable, this function will free the memory associated with the sha256ctx.
|
|
*/
|
|
void sha256_inc_finalize(uint8_t *out, sha256ctx *state, const uint8_t *in, size_t inlen);
|
|
|
|
/**
|
|
* Destroy the state. Make sure to use this, as this API may not always be stack-based.
|
|
*/
|
|
void sha256_inc_ctx_release(sha256ctx *state);
|
|
|
|
/**
|
|
* All-in-one sha256 function
|
|
*/
|
|
void sha256(uint8_t *out, const uint8_t *in, size_t inlen);
|
|
|
|
/* ====== SHA384 API ==== */
|
|
|
|
/**
|
|
* Initialize the incremental hashing API
|
|
*/
|
|
void sha384_inc_init(sha384ctx *state);
|
|
|
|
/**
|
|
* Copy the hashing state
|
|
*/
|
|
void sha384_inc_ctx_clone(sha384ctx *stateout, const sha384ctx *statein);
|
|
|
|
/**
|
|
* Absorb blocks
|
|
*/
|
|
void sha384_inc_blocks(sha384ctx *state, const uint8_t *in, size_t inblocks);
|
|
|
|
/**
|
|
* Finalize and obtain the digest.
|
|
*
|
|
* If applicable, this function will free the memory associated with the sha384ctx.
|
|
*/
|
|
void sha384_inc_finalize(uint8_t *out, sha384ctx *state, const uint8_t *in, size_t inlen);
|
|
|
|
/**
|
|
* Destroy the state. Make sure to use this if not calling finalize, as this API may not always be stack-based.
|
|
*/
|
|
void sha384_inc_ctx_release(sha384ctx *state);
|
|
|
|
/**
|
|
* All-in-one sha384 function
|
|
*/
|
|
void sha384(uint8_t *out, const uint8_t *in, size_t inlen);
|
|
|
|
|
|
/* ====== SHA512 API ==== */
|
|
|
|
/**
|
|
* Initialize the incremental hashing API
|
|
*/
|
|
void sha512_inc_init(sha512ctx *state);
|
|
|
|
/**
|
|
* Copy the hashing state
|
|
*/
|
|
void sha512_inc_ctx_clone(sha512ctx *stateout, const sha512ctx *statein);
|
|
|
|
/**
|
|
* Absorb blocks
|
|
*/
|
|
void sha512_inc_blocks(sha512ctx *state, const uint8_t *in, size_t inblocks);
|
|
|
|
/**
|
|
* Finalize and obtain the digest
|
|
*
|
|
* If applicable, this function will free the memory associated with the sha512ctx.
|
|
*/
|
|
void sha512_inc_finalize(uint8_t *out, sha512ctx *state, const uint8_t *in, size_t inlen);
|
|
|
|
/**
|
|
* Destroy the state. Make sure to use this if not calling finalize, as this API may not always be stack-based.
|
|
*/
|
|
void sha512_inc_ctx_release(sha512ctx *state);
|
|
|
|
/**
|
|
* All-in-one sha512 function
|
|
*/
|
|
void sha512(uint8_t *out, const uint8_t *in, size_t inlen);
|
|
|
|
#endif
|