/*
- * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
return init(evp_ctx, '\x1f');
}
+static int kmac_init(EVP_MD_CTX *evp_ctx)
+{
+ return init(evp_ctx, '\x04');
+}
+
static int sha3_update(EVP_MD_CTX *evp_ctx, const void *_inp, size_t len)
{
KECCAK1600_CTX *ctx = evp_ctx->md_data;
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;
}
}
-#define EVP_MD_SHA3(bitlen) \
+#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 = { \
return &sha3_##bitlen##_md; \
}
-EVP_MD_SHA3(224)
-EVP_MD_SHA3(256)
-EVP_MD_SHA3(384)
-EVP_MD_SHA3(512)
-
-#define EVP_MD_SHAKE(bitlen) \
+# define EVP_MD_SHAKE(bitlen) \
const EVP_MD *EVP_shake##bitlen(void) \
{ \
static const EVP_MD shake##bitlen##_md = { \
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)
+
+
+# define EVP_MD_KECCAK_KMAC(bitlen) \
+const EVP_MD *evp_keccak_kmac##bitlen(void) \
+{ \
+ static const EVP_MD kmac_##bitlen##_md = { \
+ -1, \
+ 0, \
+ 2 * bitlen / 8, \
+ EVP_MD_FLAG_XOF, \
+ kmac_init, \
+ sha3_update, \
+ sha3_final, \
+ NULL, \
+ NULL, \
+ (KECCAK1600_WIDTH - bitlen * 2) / 8, \
+ sizeof(KECCAK1600_CTX), \
+ shake_ctrl \
+ }; \
+ return &kmac_##bitlen##_md; \
+}
+
+EVP_MD_KECCAK_KMAC(128)
+EVP_MD_KECCAK_KMAC(256)
projects / openssl.git / blobdiff