diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/m_sha3.c')
-rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/m_sha3.c | 409 |
1 files changed, 409 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/m_sha3.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/m_sha3.c new file mode 100644 index 000000000..54c592a3c --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/m_sha3.c @@ -0,0 +1,409 @@ +/* + * Copyright 2017-2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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 <stdio.h> +#include <string.h> + +#include <openssl/evp.h> +#include <openssl/objects.h> +#include "crypto/evp.h" +#include "evp_local.h" + +size_t SHA3_absorb(uint64_t A[5][5], const unsigned char *inp, size_t len, + size_t r); +void SHA3_squeeze(uint64_t A[5][5], unsigned char *out, size_t len, size_t r); + +#define KECCAK1600_WIDTH 1600 + +typedef struct { + uint64_t A[5][5]; + size_t block_size; /* cached ctx->digest->block_size */ + size_t md_size; /* output length, variable in XOF */ + size_t num; /* used bytes in below buffer */ + unsigned char buf[KECCAK1600_WIDTH / 8 - 32]; + unsigned char pad; +} KECCAK1600_CTX; + +static int init(EVP_MD_CTX *evp_ctx, unsigned char pad) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + size_t bsz = evp_ctx->digest->block_size; + + if (bsz <= sizeof(ctx->buf)) { + memset(ctx->A, 0, sizeof(ctx->A)); + + ctx->num = 0; + ctx->block_size = bsz; + ctx->md_size = evp_ctx->digest->md_size; + ctx->pad = pad; + + return 1; + } + + return 0; +} + +static int sha3_init(EVP_MD_CTX *evp_ctx) +{ + return init(evp_ctx, '\x06'); +} + +static int shake_init(EVP_MD_CTX *evp_ctx) +{ + return init(evp_ctx, '\x1f'); +} + +static int sha3_update(EVP_MD_CTX *evp_ctx, const void *_inp, size_t len) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + const unsigned char *inp = _inp; + size_t bsz = ctx->block_size; + size_t num, rem; + + if (len == 0) + return 1; + + if ((num = ctx->num) != 0) { /* process intermediate buffer? */ + rem = bsz - num; + + if (len < rem) { + memcpy(ctx->buf + num, inp, len); + ctx->num += len; + return 1; + } + /* + * We have enough data to fill or overflow the intermediate + * buffer. So we append |rem| bytes and process the block, + * leaving the rest for later processing... + */ + memcpy(ctx->buf + num, inp, rem); + inp += rem, len -= rem; + (void)SHA3_absorb(ctx->A, ctx->buf, bsz, bsz); + ctx->num = 0; + /* ctx->buf is processed, ctx->num is guaranteed to be zero */ + } + + if (len >= bsz) + rem = SHA3_absorb(ctx->A, inp, len, bsz); + else + rem = len; + + if (rem) { + memcpy(ctx->buf, inp + len - rem, rem); + ctx->num = rem; + } + + return 1; +} + +static int sha3_final(EVP_MD_CTX *evp_ctx, unsigned char *md) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + size_t bsz = ctx->block_size; + size_t num = ctx->num; + + if (ctx->md_size == 0) + return 1; + + /* + * Pad the data with 10*1. Note that |num| can be |bsz - 1| + * in which case both byte operations below are performed on + * same byte... + */ + memset(ctx->buf + num, 0, bsz - num); + ctx->buf[num] = ctx->pad; + ctx->buf[bsz - 1] |= 0x80; + + (void)SHA3_absorb(ctx->A, ctx->buf, bsz, bsz); + + SHA3_squeeze(ctx->A, md, ctx->md_size, bsz); + + return 1; +} + +static int shake_ctrl(EVP_MD_CTX *evp_ctx, int cmd, int p1, void *p2) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + + switch (cmd) { + case EVP_MD_CTRL_XOF_LEN: + ctx->md_size = p1; + return 1; + default: + return 0; + } +} + +#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__) && defined(KECCAK1600_ASM) +/* + * IBM S390X support + */ +# include "s390x_arch.h" + +# define S390X_SHA3_FC(ctx) ((ctx)->pad) + +# define S390X_sha3_224_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] & \ + S390X_CAPBIT(S390X_SHA3_224)) && \ + (OPENSSL_s390xcap_P.klmd[0] & \ + S390X_CAPBIT(S390X_SHA3_224))) +# define S390X_sha3_256_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] & \ + S390X_CAPBIT(S390X_SHA3_256)) && \ + (OPENSSL_s390xcap_P.klmd[0] & \ + S390X_CAPBIT(S390X_SHA3_256))) +# define S390X_sha3_384_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] & \ + S390X_CAPBIT(S390X_SHA3_384)) && \ + (OPENSSL_s390xcap_P.klmd[0] & \ + S390X_CAPBIT(S390X_SHA3_384))) +# define S390X_sha3_512_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] & \ + S390X_CAPBIT(S390X_SHA3_512)) && \ + (OPENSSL_s390xcap_P.klmd[0] & \ + S390X_CAPBIT(S390X_SHA3_512))) +# define S390X_shake128_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] & \ + S390X_CAPBIT(S390X_SHAKE_128)) && \ + (OPENSSL_s390xcap_P.klmd[0] & \ + S390X_CAPBIT(S390X_SHAKE_128))) +# define S390X_shake256_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] & \ + S390X_CAPBIT(S390X_SHAKE_256)) && \ + (OPENSSL_s390xcap_P.klmd[0] & \ + S390X_CAPBIT(S390X_SHAKE_256))) + +/* Convert md-size to block-size. */ +# define S390X_KECCAK1600_BSZ(n) ((KECCAK1600_WIDTH - ((n) << 1)) >> 3) + +static int s390x_sha3_init(EVP_MD_CTX *evp_ctx) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + const size_t bsz = evp_ctx->digest->block_size; + + /*- + * KECCAK1600_CTX structure's pad field is used to store the KIMD/KLMD + * function code. + */ + switch (bsz) { + case S390X_KECCAK1600_BSZ(224): + ctx->pad = S390X_SHA3_224; + break; + case S390X_KECCAK1600_BSZ(256): + ctx->pad = S390X_SHA3_256; + break; + case S390X_KECCAK1600_BSZ(384): + ctx->pad = S390X_SHA3_384; + break; + case S390X_KECCAK1600_BSZ(512): + ctx->pad = S390X_SHA3_512; + break; + default: + return 0; + } + + memset(ctx->A, 0, sizeof(ctx->A)); + ctx->num = 0; + ctx->block_size = bsz; + ctx->md_size = evp_ctx->digest->md_size; + return 1; +} + +static int s390x_shake_init(EVP_MD_CTX *evp_ctx) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + const size_t bsz = evp_ctx->digest->block_size; + + /*- + * KECCAK1600_CTX structure's pad field is used to store the KIMD/KLMD + * function code. + */ + switch (bsz) { + case S390X_KECCAK1600_BSZ(128): + ctx->pad = S390X_SHAKE_128; + break; + case S390X_KECCAK1600_BSZ(256): + ctx->pad = S390X_SHAKE_256; + break; + default: + return 0; + } + + memset(ctx->A, 0, sizeof(ctx->A)); + ctx->num = 0; + ctx->block_size = bsz; + ctx->md_size = evp_ctx->digest->md_size; + return 1; +} + +static int s390x_sha3_update(EVP_MD_CTX *evp_ctx, const void *_inp, size_t len) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + const unsigned char *inp = _inp; + const size_t bsz = ctx->block_size; + size_t num, rem; + + if (len == 0) + return 1; + + if ((num = ctx->num) != 0) { + rem = bsz - num; + + if (len < rem) { + memcpy(ctx->buf + num, inp, len); + ctx->num += len; + return 1; + } + memcpy(ctx->buf + num, inp, rem); + inp += rem; + len -= rem; + s390x_kimd(ctx->buf, bsz, ctx->pad, ctx->A); + ctx->num = 0; + } + rem = len % bsz; + + s390x_kimd(inp, len - rem, ctx->pad, ctx->A); + + if (rem) { + memcpy(ctx->buf, inp + len - rem, rem); + ctx->num = rem; + } + return 1; +} + +static int s390x_sha3_final(EVP_MD_CTX *evp_ctx, unsigned char *md) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + + s390x_klmd(ctx->buf, ctx->num, NULL, 0, ctx->pad, ctx->A); + memcpy(md, ctx->A, ctx->md_size); + return 1; +} + +static int s390x_shake_final(EVP_MD_CTX *evp_ctx, unsigned char *md) +{ + KECCAK1600_CTX *ctx = evp_ctx->md_data; + + s390x_klmd(ctx->buf, ctx->num, md, ctx->md_size, ctx->pad, ctx->A); + return 1; +} + +# define EVP_MD_SHA3(bitlen) \ +const EVP_MD *EVP_sha3_##bitlen(void) \ +{ \ + static const EVP_MD s390x_sha3_##bitlen##_md = { \ + NID_sha3_##bitlen, \ + NID_RSA_SHA3_##bitlen, \ + bitlen / 8, \ + EVP_MD_FLAG_DIGALGID_ABSENT, \ + s390x_sha3_init, \ + s390x_sha3_update, \ + s390x_sha3_final, \ + NULL, \ + NULL, \ + (KECCAK1600_WIDTH - bitlen * 2) / 8, \ + sizeof(KECCAK1600_CTX), \ + }; \ + static const EVP_MD sha3_##bitlen##_md = { \ + NID_sha3_##bitlen, \ + NID_RSA_SHA3_##bitlen, \ + bitlen / 8, \ + EVP_MD_FLAG_DIGALGID_ABSENT, \ + sha3_init, \ + sha3_update, \ + sha3_final, \ + NULL, \ + NULL, \ + (KECCAK1600_WIDTH - bitlen * 2) / 8, \ + sizeof(KECCAK1600_CTX), \ + }; \ + return S390X_sha3_##bitlen##_CAPABLE ? \ + &s390x_sha3_##bitlen##_md : \ + &sha3_##bitlen##_md; \ +} + +# define EVP_MD_SHAKE(bitlen) \ +const EVP_MD *EVP_shake##bitlen(void) \ +{ \ + static const EVP_MD s390x_shake##bitlen##_md = { \ + NID_shake##bitlen, \ + 0, \ + bitlen / 8, \ + EVP_MD_FLAG_XOF, \ + s390x_shake_init, \ + s390x_sha3_update, \ + s390x_shake_final, \ + NULL, \ + NULL, \ + (KECCAK1600_WIDTH - bitlen * 2) / 8, \ + sizeof(KECCAK1600_CTX), \ + shake_ctrl \ + }; \ + static const EVP_MD shake##bitlen##_md = { \ + NID_shake##bitlen, \ + 0, \ + bitlen / 8, \ + EVP_MD_FLAG_XOF, \ + shake_init, \ + sha3_update, \ + sha3_final, \ + NULL, \ + NULL, \ + (KECCAK1600_WIDTH - bitlen * 2) / 8, \ + sizeof(KECCAK1600_CTX), \ + shake_ctrl \ + }; \ + return S390X_shake##bitlen##_CAPABLE ? \ + &s390x_shake##bitlen##_md : \ + &shake##bitlen##_md; \ +} + +#else + +# define EVP_MD_SHA3(bitlen) \ +const EVP_MD *EVP_sha3_##bitlen(void) \ +{ \ + static const EVP_MD sha3_##bitlen##_md = { \ + NID_sha3_##bitlen, \ + NID_RSA_SHA3_##bitlen, \ + bitlen / 8, \ + EVP_MD_FLAG_DIGALGID_ABSENT, \ + sha3_init, \ + sha3_update, \ + sha3_final, \ + NULL, \ + NULL, \ + (KECCAK1600_WIDTH - bitlen * 2) / 8, \ + sizeof(KECCAK1600_CTX), \ + }; \ + return &sha3_##bitlen##_md; \ +} + +# define EVP_MD_SHAKE(bitlen) \ +const EVP_MD *EVP_shake##bitlen(void) \ +{ \ + static const EVP_MD shake##bitlen##_md = { \ + NID_shake##bitlen, \ + 0, \ + bitlen / 8, \ + EVP_MD_FLAG_XOF, \ + shake_init, \ + sha3_update, \ + sha3_final, \ + NULL, \ + NULL, \ + (KECCAK1600_WIDTH - bitlen * 2) / 8, \ + sizeof(KECCAK1600_CTX), \ + shake_ctrl \ + }; \ + return &shake##bitlen##_md; \ +} +#endif + +EVP_MD_SHA3(224) +EVP_MD_SHA3(256) +EVP_MD_SHA3(384) +EVP_MD_SHA3(512) + +EVP_MD_SHAKE(128) +EVP_MD_SHAKE(256) |