/* * Copyright 2019-2024 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include #include #include #include #include #include #include "internal/numbers.h" #include "internal/sha3.h" #include "prov/digestcommon.h" #include "prov/implementations.h" #define SHA3_FLAGS PROV_DIGEST_FLAG_ALGID_ABSENT #define SHAKE_FLAGS PROV_DIGEST_FLAG_XOF #define KMAC_FLAGS PROV_DIGEST_FLAG_XOF /* * Forward declaration of any unique methods implemented here. This is not strictly * necessary for the compiler, but provides an assurance that the signatures * of the functions in the dispatch table are correct. */ static OSSL_FUNC_digest_init_fn keccak_init; static OSSL_FUNC_digest_init_fn keccak_init_params; static OSSL_FUNC_digest_update_fn keccak_update; static OSSL_FUNC_digest_final_fn keccak_final; static OSSL_FUNC_digest_freectx_fn keccak_freectx; static OSSL_FUNC_digest_dupctx_fn keccak_dupctx; static OSSL_FUNC_digest_squeeze_fn shake_squeeze; static OSSL_FUNC_digest_get_ctx_params_fn shake_get_ctx_params; static OSSL_FUNC_digest_gettable_ctx_params_fn shake_gettable_ctx_params; static OSSL_FUNC_digest_set_ctx_params_fn shake_set_ctx_params; static OSSL_FUNC_digest_settable_ctx_params_fn shake_settable_ctx_params; static sha3_absorb_fn generic_sha3_absorb; static sha3_final_fn generic_sha3_final; static sha3_squeeze_fn generic_sha3_squeeze; #if defined(OPENSSL_CPUID_OBJ) && defined(__s390__) && defined(KECCAK1600_ASM) /* * IBM S390X support */ # include "s390x_arch.h" # define S390_SHA3 1 # define S390_SHA3_CAPABLE(name) \ ((OPENSSL_s390xcap_P.kimd[0] & S390X_CAPBIT(S390X_##name)) && \ (OPENSSL_s390xcap_P.klmd[0] & S390X_CAPBIT(S390X_##name))) #endif static int keccak_init(void *vctx, ossl_unused const OSSL_PARAM params[]) { if (!ossl_prov_is_running()) return 0; /* The newctx() handles most of the ctx fixed setup. */ ossl_sha3_reset((KECCAK1600_CTX *)vctx); return 1; } static int keccak_init_params(void *vctx, const OSSL_PARAM params[]) { return keccak_init(vctx, NULL) && shake_set_ctx_params(vctx, params); } static int keccak_update(void *vctx, const unsigned char *inp, size_t len) { KECCAK1600_CTX *ctx = vctx; const size_t bsz = ctx->block_size; size_t num, rem; if (len == 0) return 1; /* Is there anything in the buffer already ? */ if ((num = ctx->bufsz) != 0) { /* Calculate how much space is left in the buffer */ rem = bsz - num; /* If the new input does not fill the buffer then just add it */ if (len < rem) { memcpy(ctx->buf + num, inp, len); ctx->bufsz += len; return 1; } /* otherwise fill up the buffer and absorb the buffer */ memcpy(ctx->buf + num, inp, rem); /* Update the input pointer */ inp += rem; len -= rem; ctx->meth.absorb(ctx, ctx->buf, bsz); ctx->bufsz = 0; } /* Absorb the input - rem = leftover part of the input < blocksize) */ rem = ctx->meth.absorb(ctx, inp, len); /* Copy the leftover bit of the input into the buffer */ if (rem) { memcpy(ctx->buf, inp + len - rem, rem); ctx->bufsz = rem; } return 1; } static int keccak_final(void *vctx, unsigned char *out, size_t *outl, size_t outlen) { int ret = 1; KECCAK1600_CTX *ctx = vctx; if (!ossl_prov_is_running()) return 0; if (ctx->md_size == SIZE_MAX) { ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_LENGTH); return 0; } if (outlen > 0) ret = ctx->meth.final(ctx, out, ctx->md_size); *outl = ctx->md_size; return ret; } static int shake_squeeze(void *vctx, unsigned char *out, size_t *outl, size_t outlen) { int ret = 1; KECCAK1600_CTX *ctx = vctx; if (!ossl_prov_is_running()) return 0; if (ctx->meth.squeeze == NULL) return 0; if (outlen > 0) ret = ctx->meth.squeeze(ctx, out, outlen); *outl = outlen; return ret; } /*- * Generic software version of the absorb() and final(). */ static size_t generic_sha3_absorb(void *vctx, const void *inp, size_t len) { KECCAK1600_CTX *ctx = vctx; if (!(ctx->xof_state == XOF_STATE_INIT || ctx->xof_state == XOF_STATE_ABSORB)) return 0; ctx->xof_state = XOF_STATE_ABSORB; return SHA3_absorb(ctx->A, inp, len, ctx->block_size); } static int generic_sha3_final(void *vctx, unsigned char *out, size_t outlen) { return ossl_sha3_final((KECCAK1600_CTX *)vctx, out, outlen); } static int generic_sha3_squeeze(void *vctx, unsigned char *out, size_t outlen) { return ossl_sha3_squeeze((KECCAK1600_CTX *)vctx, out, outlen); } static PROV_SHA3_METHOD sha3_generic_md = { generic_sha3_absorb, generic_sha3_final, NULL }; static PROV_SHA3_METHOD shake_generic_md = { generic_sha3_absorb, generic_sha3_final, generic_sha3_squeeze }; #if defined(S390_SHA3) static sha3_absorb_fn s390x_sha3_absorb; static sha3_final_fn s390x_sha3_final; static sha3_final_fn s390x_shake_final; /*- * The platform specific parts of the absorb() and final() for S390X. */ static size_t s390x_sha3_absorb(void *vctx, const void *inp, size_t len) { KECCAK1600_CTX *ctx = vctx; size_t rem = len % ctx->block_size; unsigned int fc; if (!(ctx->xof_state == XOF_STATE_INIT || ctx->xof_state == XOF_STATE_ABSORB)) return 0; if (len - rem > 0) { fc = ctx->pad; fc |= ctx->xof_state == XOF_STATE_INIT ? S390X_KIMD_NIP : 0; ctx->xof_state = XOF_STATE_ABSORB; s390x_kimd(inp, len - rem, fc, ctx->A); } return rem; } static int s390x_sha3_final(void *vctx, unsigned char *out, size_t outlen) { KECCAK1600_CTX *ctx = vctx; unsigned int fc; if (!ossl_prov_is_running()) return 0; if (!(ctx->xof_state == XOF_STATE_INIT || ctx->xof_state == XOF_STATE_ABSORB)) return 0; fc = ctx->pad | S390X_KLMD_DUFOP; fc |= ctx->xof_state == XOF_STATE_INIT ? S390X_KLMD_NIP : 0; ctx->xof_state = XOF_STATE_FINAL; s390x_klmd(ctx->buf, ctx->bufsz, NULL, 0, fc, ctx->A); memcpy(out, ctx->A, outlen); return 1; } static int s390x_shake_final(void *vctx, unsigned char *out, size_t outlen) { KECCAK1600_CTX *ctx = vctx; unsigned int fc; if (!ossl_prov_is_running()) return 0; if (!(ctx->xof_state == XOF_STATE_INIT || ctx->xof_state == XOF_STATE_ABSORB)) return 0; fc = ctx->pad | S390X_KLMD_DUFOP; fc |= ctx->xof_state == XOF_STATE_INIT ? S390X_KLMD_NIP : 0; ctx->xof_state = XOF_STATE_FINAL; s390x_klmd(ctx->buf, ctx->bufsz, out, outlen, fc, ctx->A); return 1; } static int s390x_shake_squeeze(void *vctx, unsigned char *out, size_t outlen) { KECCAK1600_CTX *ctx = vctx; unsigned int fc; size_t len; if (!ossl_prov_is_running()) return 0; if (ctx->xof_state == XOF_STATE_FINAL) return 0; /* * On the first squeeze call, finish the absorb process (incl. padding). */ if (ctx->xof_state != XOF_STATE_SQUEEZE) { fc = ctx->pad; fc |= ctx->xof_state == XOF_STATE_INIT ? S390X_KLMD_NIP : 0; ctx->xof_state = XOF_STATE_SQUEEZE; s390x_klmd(ctx->buf, ctx->bufsz, out, outlen, fc, ctx->A); ctx->bufsz = outlen % ctx->block_size; /* reuse ctx->bufsz to count bytes squeezed from current sponge */ return 1; } ctx->xof_state = XOF_STATE_SQUEEZE; if (ctx->bufsz != 0) { len = ctx->block_size - ctx->bufsz; if (outlen < len) len = outlen; memcpy(out, (char *)ctx->A + ctx->bufsz, len); out += len; outlen -= len; ctx->bufsz += len; if (ctx->bufsz == ctx->block_size) ctx->bufsz = 0; } if (outlen == 0) return 1; s390x_klmd(NULL, 0, out, outlen, ctx->pad | S390X_KLMD_PS, ctx->A); ctx->bufsz = outlen % ctx->block_size; return 1; } static int s390x_keccakc_final(void *vctx, unsigned char *out, size_t outlen, int padding) { KECCAK1600_CTX *ctx = vctx; size_t bsz = ctx->block_size; size_t num = ctx->bufsz; size_t needed = outlen; unsigned int fc; if (!ossl_prov_is_running()) return 0; if (!(ctx->xof_state == XOF_STATE_INIT || ctx->xof_state == XOF_STATE_ABSORB)) return 0; fc = ctx->pad; fc |= ctx->xof_state == XOF_STATE_INIT ? S390X_KIMD_NIP : 0; ctx->xof_state = XOF_STATE_FINAL; if (outlen == 0) return 1; memset(ctx->buf + num, 0, bsz - num); ctx->buf[num] = padding; ctx->buf[bsz - 1] |= 0x80; s390x_kimd(ctx->buf, bsz, fc, ctx->A); num = needed > bsz ? bsz : needed; memcpy(out, ctx->A, num); needed -= num; if (needed > 0) s390x_klmd(NULL, 0, out + bsz, needed, ctx->pad | S390X_KLMD_PS | S390X_KLMD_DUFOP, ctx->A); return 1; } static int s390x_keccak_final(void *vctx, unsigned char *out, size_t outlen) { return s390x_keccakc_final(vctx, out, outlen, 0x01); } static int s390x_kmac_final(void *vctx, unsigned char *out, size_t outlen) { return s390x_keccakc_final(vctx, out, outlen, 0x04); } static int s390x_keccakc_squeeze(void *vctx, unsigned char *out, size_t outlen, int padding) { KECCAK1600_CTX *ctx = vctx; size_t len; unsigned int fc; if (!ossl_prov_is_running()) return 0; if (ctx->xof_state == XOF_STATE_FINAL) return 0; /* * On the first squeeze call, finish the absorb process * by adding the trailing padding and then doing * a final absorb. */ if (ctx->xof_state != XOF_STATE_SQUEEZE) { len = ctx->block_size - ctx->bufsz; memset(ctx->buf + ctx->bufsz, 0, len); ctx->buf[ctx->bufsz] = padding; ctx->buf[ctx->block_size - 1] |= 0x80; fc = ctx->pad; fc |= ctx->xof_state == XOF_STATE_INIT ? S390X_KIMD_NIP : 0; s390x_kimd(ctx->buf, ctx->block_size, fc, ctx->A); ctx->bufsz = 0; /* reuse ctx->bufsz to count bytes squeezed from current sponge */ } if (ctx->bufsz != 0 || ctx->xof_state != XOF_STATE_SQUEEZE) { len = ctx->block_size - ctx->bufsz; if (outlen < len) len = outlen; memcpy(out, (char *)ctx->A + ctx->bufsz, len); out += len; outlen -= len; ctx->bufsz += len; if (ctx->bufsz == ctx->block_size) ctx->bufsz = 0; } ctx->xof_state = XOF_STATE_SQUEEZE; if (outlen == 0) return 1; s390x_klmd(NULL, 0, out, outlen, ctx->pad | S390X_KLMD_PS, ctx->A); ctx->bufsz = outlen % ctx->block_size; return 1; } static int s390x_keccak_squeeze(void *vctx, unsigned char *out, size_t outlen) { return s390x_keccakc_squeeze(vctx, out, outlen, 0x01); } static int s390x_kmac_squeeze(void *vctx, unsigned char *out, size_t outlen) { return s390x_keccakc_squeeze(vctx, out, outlen, 0x04); } static PROV_SHA3_METHOD sha3_s390x_md = { s390x_sha3_absorb, s390x_sha3_final, NULL, }; static PROV_SHA3_METHOD keccak_s390x_md = { s390x_sha3_absorb, s390x_keccak_final, s390x_keccak_squeeze, }; static PROV_SHA3_METHOD shake_s390x_md = { s390x_sha3_absorb, s390x_shake_final, s390x_shake_squeeze, }; static PROV_SHA3_METHOD kmac_s390x_md = { s390x_sha3_absorb, s390x_kmac_final, s390x_kmac_squeeze, }; # define SHAKE_SET_MD(uname, typ) \ if (S390_SHA3_CAPABLE(uname)) { \ ctx->pad = S390X_##uname; \ ctx->meth = typ##_s390x_md; \ } else { \ ctx->meth = shake_generic_md; \ } # define SHA3_SET_MD(uname, typ) \ if (S390_SHA3_CAPABLE(uname)) { \ ctx->pad = S390X_##uname; \ ctx->meth = typ##_s390x_md; \ } else { \ ctx->meth = sha3_generic_md; \ } # define KMAC_SET_MD(bitlen) \ if (S390_SHA3_CAPABLE(SHAKE_##bitlen)) { \ ctx->pad = S390X_SHAKE_##bitlen; \ ctx->meth = kmac_s390x_md; \ } else { \ ctx->meth = sha3_generic_md; \ } #elif defined(__aarch64__) && defined(KECCAK1600_ASM) # include "arm_arch.h" static sha3_absorb_fn armsha3_sha3_absorb; size_t SHA3_absorb_cext(uint64_t A[5][5], const unsigned char *inp, size_t len, size_t r); /*- * Hardware-assisted ARMv8.2 SHA3 extension version of the absorb() */ static size_t armsha3_sha3_absorb(void *vctx, const void *inp, size_t len) { KECCAK1600_CTX *ctx = vctx; return SHA3_absorb_cext(ctx->A, inp, len, ctx->block_size); } static PROV_SHA3_METHOD sha3_ARMSHA3_md = { armsha3_sha3_absorb, generic_sha3_final }; static PROV_SHA3_METHOD shake_ARMSHA3_md = { armsha3_sha3_absorb, generic_sha3_final, generic_sha3_squeeze }; # define SHAKE_SET_MD(uname, typ) \ if (OPENSSL_armcap_P & ARMV8_HAVE_SHA3_AND_WORTH_USING) { \ ctx->meth = shake_ARMSHA3_md; \ } else { \ ctx->meth = shake_generic_md; \ } # define SHA3_SET_MD(uname, typ) \ if (OPENSSL_armcap_P & ARMV8_HAVE_SHA3_AND_WORTH_USING) { \ ctx->meth = sha3_ARMSHA3_md; \ } else { \ ctx->meth = sha3_generic_md; \ } # define KMAC_SET_MD(bitlen) \ if (OPENSSL_armcap_P & ARMV8_HAVE_SHA3_AND_WORTH_USING) { \ ctx->meth = sha3_ARMSHA3_md; \ } else { \ ctx->meth = sha3_generic_md; \ } #else # define SHA3_SET_MD(uname, typ) ctx->meth = sha3_generic_md; # define KMAC_SET_MD(bitlen) ctx->meth = sha3_generic_md; # define SHAKE_SET_MD(uname, typ) ctx->meth = shake_generic_md; #endif /* S390_SHA3 */ #define SHA3_newctx(typ, uname, name, bitlen, pad) \ static OSSL_FUNC_digest_newctx_fn name##_newctx; \ static void *name##_newctx(void *provctx) \ { \ KECCAK1600_CTX *ctx = ossl_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) \ : NULL; \ \ if (ctx == NULL) \ return NULL; \ ossl_sha3_init(ctx, pad, bitlen); \ SHA3_SET_MD(uname, typ) \ return ctx; \ } #define SHAKE_newctx(typ, uname, name, bitlen, mdlen, pad) \ static OSSL_FUNC_digest_newctx_fn name##_newctx; \ static void *name##_newctx(void *provctx) \ { \ KECCAK1600_CTX *ctx = ossl_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx))\ : NULL; \ \ if (ctx == NULL) \ return NULL; \ ossl_keccak_init(ctx, pad, bitlen, mdlen); \ if (mdlen == 0) \ ctx->md_size = SIZE_MAX; \ SHAKE_SET_MD(uname, typ) \ return ctx; \ } #define KMAC_newctx(uname, bitlen, pad) \ static OSSL_FUNC_digest_newctx_fn uname##_newctx; \ static void *uname##_newctx(void *provctx) \ { \ KECCAK1600_CTX *ctx = ossl_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) \ : NULL; \ \ if (ctx == NULL) \ return NULL; \ ossl_keccak_init(ctx, pad, bitlen, 2 * bitlen); \ KMAC_SET_MD(bitlen) \ return ctx; \ } #define PROV_FUNC_SHA3_DIGEST_COMMON(name, bitlen, blksize, dgstsize, flags) \ PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags) \ const OSSL_DISPATCH ossl_##name##_functions[] = { \ { OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))name##_newctx }, \ { OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))keccak_update }, \ { OSSL_FUNC_DIGEST_FINAL, (void (*)(void))keccak_final }, \ { OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))keccak_freectx }, \ { OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))keccak_dupctx }, \ PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name) #define PROV_FUNC_SHA3_DIGEST(name, bitlen, blksize, dgstsize, flags) \ PROV_FUNC_SHA3_DIGEST_COMMON(name, bitlen, blksize, dgstsize, flags), \ { OSSL_FUNC_DIGEST_INIT, (void (*)(void))keccak_init }, \ PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END #define PROV_FUNC_SHAKE_DIGEST(name, bitlen, blksize, dgstsize, flags) \ PROV_FUNC_SHA3_DIGEST_COMMON(name, bitlen, blksize, dgstsize, flags), \ { OSSL_FUNC_DIGEST_SQUEEZE, (void (*)(void))shake_squeeze }, \ { OSSL_FUNC_DIGEST_INIT, (void (*)(void))keccak_init_params }, \ { OSSL_FUNC_DIGEST_SET_CTX_PARAMS, (void (*)(void))shake_set_ctx_params }, \ { OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS, \ (void (*)(void))shake_settable_ctx_params }, \ { OSSL_FUNC_DIGEST_GET_CTX_PARAMS, (void (*)(void))shake_get_ctx_params }, \ { OSSL_FUNC_DIGEST_GETTABLE_CTX_PARAMS, \ (void (*)(void))shake_gettable_ctx_params }, \ PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END static void keccak_freectx(void *vctx) { KECCAK1600_CTX *ctx = (KECCAK1600_CTX *)vctx; OPENSSL_clear_free(ctx, sizeof(*ctx)); } static void *keccak_dupctx(void *ctx) { KECCAK1600_CTX *in = (KECCAK1600_CTX *)ctx; KECCAK1600_CTX *ret = ossl_prov_is_running() ? OPENSSL_malloc(sizeof(*ret)) : NULL; if (ret != NULL) *ret = *in; return ret; } static const OSSL_PARAM *shake_gettable_ctx_params(ossl_unused void *ctx, ossl_unused void *provctx) { static const OSSL_PARAM known_shake_gettable_ctx_params[] = { {OSSL_DIGEST_PARAM_XOFLEN, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0}, {OSSL_DIGEST_PARAM_SIZE, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0}, OSSL_PARAM_END }; return known_shake_gettable_ctx_params; } static int shake_get_ctx_params(void *vctx, OSSL_PARAM params[]) { OSSL_PARAM *p; KECCAK1600_CTX *ctx = (KECCAK1600_CTX *)vctx; if (ctx == NULL) return 0; if (ossl_param_is_empty(params)) return 1; p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_XOFLEN); if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->md_size)) { ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); return 0; } /* Size is an alias of xoflen */ p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE); if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->md_size)) { ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); return 0; } return 1; } static const OSSL_PARAM *shake_settable_ctx_params(ossl_unused void *ctx, ossl_unused void *provctx) { static const OSSL_PARAM known_shake_settable_ctx_params[] = { {OSSL_DIGEST_PARAM_XOFLEN, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0}, {OSSL_DIGEST_PARAM_SIZE, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0}, OSSL_PARAM_END }; return known_shake_settable_ctx_params; } static int shake_set_ctx_params(void *vctx, const OSSL_PARAM params[]) { const OSSL_PARAM *p; KECCAK1600_CTX *ctx = (KECCAK1600_CTX *)vctx; if (ctx == NULL) return 0; if (ossl_param_is_empty(params)) return 1; p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_XOFLEN); if (p == NULL) p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SIZE); if (p != NULL && !OSSL_PARAM_get_size_t(p, &ctx->md_size)) { ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); return 0; } return 1; } #define IMPLEMENT_SHA3_functions(bitlen) \ SHA3_newctx(sha3, SHA3_##bitlen, sha3_##bitlen, bitlen, '\x06') \ PROV_FUNC_SHA3_DIGEST(sha3_##bitlen, bitlen, \ SHA3_BLOCKSIZE(bitlen), SHA3_MDSIZE(bitlen), \ SHA3_FLAGS) #define IMPLEMENT_KECCAK_functions(bitlen) \ SHA3_newctx(keccak, KECCAK_##bitlen, keccak_##bitlen, bitlen, '\x01') \ PROV_FUNC_SHA3_DIGEST(keccak_##bitlen, bitlen, \ SHA3_BLOCKSIZE(bitlen), SHA3_MDSIZE(bitlen), \ SHA3_FLAGS) #define IMPLEMENT_SHAKE_functions(bitlen) \ SHAKE_newctx(shake, SHAKE_##bitlen, shake_##bitlen, bitlen, \ 0 /* no default md length */, '\x1f') \ PROV_FUNC_SHAKE_DIGEST(shake_##bitlen, bitlen, \ SHA3_BLOCKSIZE(bitlen), 0, \ SHAKE_FLAGS) #define IMPLEMENT_KMAC_functions(bitlen) \ KMAC_newctx(keccak_kmac_##bitlen, bitlen, '\x04') \ PROV_FUNC_SHAKE_DIGEST(keccak_kmac_##bitlen, bitlen, \ SHA3_BLOCKSIZE(bitlen), KMAC_MDSIZE(bitlen), \ KMAC_FLAGS) /* ossl_sha3_224_functions */ IMPLEMENT_SHA3_functions(224) /* ossl_sha3_256_functions */ IMPLEMENT_SHA3_functions(256) /* ossl_sha3_384_functions */ IMPLEMENT_SHA3_functions(384) /* ossl_sha3_512_functions */ IMPLEMENT_SHA3_functions(512) /* ossl_keccak_224_functions */ IMPLEMENT_KECCAK_functions(224) /* ossl_keccak_256_functions */ IMPLEMENT_KECCAK_functions(256) /* ossl_keccak_384_functions */ IMPLEMENT_KECCAK_functions(384) /* ossl_keccak_512_functions */ IMPLEMENT_KECCAK_functions(512) /* ossl_shake_128_functions */ IMPLEMENT_SHAKE_functions(128) /* ossl_shake_256_functions */ IMPLEMENT_SHAKE_functions(256) /* ossl_keccak_kmac_128_functions */ IMPLEMENT_KMAC_functions(128) /* ossl_keccak_kmac_256_functions */ IMPLEMENT_KMAC_functions(256)