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-rw-r--r--crypto/ec/ecx_meth.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/crypto/ec/ecx_meth.c b/crypto/ec/ecx_meth.c
index 43522bd19b..3944f483ed 100644
--- a/crypto/ec/ecx_meth.c
+++ b/crypto/ec/ecx_meth.c
@@ -952,205 +952,6 @@ static const EVP_PKEY_METHOD ed448_pkey_meth = {
#ifdef S390X_EC_ASM
# include "s390x_arch.h"
-# include "internal/constant_time.h"
-
-static void s390x_x25519_mod_p(unsigned char u[32])
-{
- unsigned char u_red[32];
- unsigned int c = 0;
- int i;
-
- memcpy(u_red, u, sizeof(u_red));
-
- c += (unsigned int)u_red[31] + 19;
- u_red[31] = (unsigned char)c;
- c >>= 8;
-
- for (i = 30; i >= 0; i--) {
- c += (unsigned int)u_red[i];
- u_red[i] = (unsigned char)c;
- c >>= 8;
- }
-
- c = (u_red[0] & 0x80) >> 7;
- u_red[0] &= 0x7f;
- constant_time_cond_swap_buff(0 - (unsigned char)c,
- u, u_red, sizeof(u_red));
-}
-
-static void s390x_x448_mod_p(unsigned char u[56])
-{
- unsigned char u_red[56];
- unsigned int c = 0;
- int i;
-
- memcpy(u_red, u, sizeof(u_red));
-
- c += (unsigned int)u_red[55] + 1;
- u_red[55] = (unsigned char)c;
- c >>= 8;
-
- for (i = 54; i >= 28; i--) {
- c += (unsigned int)u_red[i];
- u_red[i] = (unsigned char)c;
- c >>= 8;
- }
-
- c += (unsigned int)u_red[27] + 1;
- u_red[27] = (unsigned char)c;
- c >>= 8;
-
- for (i = 26; i >= 0; i--) {
- c += (unsigned int)u_red[i];
- u_red[i] = (unsigned char)c;
- c >>= 8;
- }
-
- constant_time_cond_swap_buff(0 - (unsigned char)c,
- u, u_red, sizeof(u_red));
-}
-
-int s390x_x25519_mul(unsigned char u_dst[32],
- const unsigned char u_src[32],
- const unsigned char d_src[32])
-{
- union {
- struct {
- unsigned char u_dst[32];
- unsigned char u_src[32];
- unsigned char d_src[32];
- } x25519;
- unsigned long long buff[512];
- } param;
- int rc;
-
- memset(&param, 0, sizeof(param));
-
- s390x_flip_endian32(param.x25519.u_src, u_src);
- param.x25519.u_src[0] &= 0x7f;
- s390x_x25519_mod_p(param.x25519.u_src);
-
- s390x_flip_endian32(param.x25519.d_src, d_src);
- param.x25519.d_src[31] &= 248;
- param.x25519.d_src[0] &= 127;
- param.x25519.d_src[0] |= 64;
-
- rc = s390x_pcc(S390X_SCALAR_MULTIPLY_X25519, &param.x25519) ? 0 : 1;
- if (rc == 1)
- s390x_flip_endian32(u_dst, param.x25519.u_dst);
-
- OPENSSL_cleanse(param.x25519.d_src, sizeof(param.x25519.d_src));
- return rc;
-}
-
-int s390x_x448_mul(unsigned char u_dst[56],
- const unsigned char u_src[56],
- const unsigned char d_src[56])
-{
- union {
- struct {
- unsigned char u_dst[64];
- unsigned char u_src[64];
- unsigned char d_src[64];
- } x448;
- unsigned long long buff[512];
- } param;
- int rc;
-
- memset(&param, 0, sizeof(param));
-
- memcpy(param.x448.u_src, u_src, 56);
- memcpy(param.x448.d_src, d_src, 56);
-
- s390x_flip_endian64(param.x448.u_src, param.x448.u_src);
- s390x_x448_mod_p(param.x448.u_src + 8);
-
- s390x_flip_endian64(param.x448.d_src, param.x448.d_src);
- param.x448.d_src[63] &= 252;
- param.x448.d_src[8] |= 128;
-
- rc = s390x_pcc(S390X_SCALAR_MULTIPLY_X448, &param.x448) ? 0 : 1;
- if (rc == 1) {
- s390x_flip_endian64(param.x448.u_dst, param.x448.u_dst);
- memcpy(u_dst, param.x448.u_dst, 56);
- }
-
- OPENSSL_cleanse(param.x448.d_src, sizeof(param.x448.d_src));
- return rc;
-}
-
-static int s390x_ed25519_mul(unsigned char x_dst[32],
- unsigned char y_dst[32],
- const unsigned char x_src[32],
- const unsigned char y_src[32],
- const unsigned char d_src[32])
-{
- union {
- struct {
- unsigned char x_dst[32];
- unsigned char y_dst[32];
- unsigned char x_src[32];
- unsigned char y_src[32];
- unsigned char d_src[32];
- } ed25519;
- unsigned long long buff[512];
- } param;
- int rc;
-
- memset(&param, 0, sizeof(param));
-
- s390x_flip_endian32(param.ed25519.x_src, x_src);
- s390x_flip_endian32(param.ed25519.y_src, y_src);
- s390x_flip_endian32(param.ed25519.d_src, d_src);
-
- rc = s390x_pcc(S390X_SCALAR_MULTIPLY_ED25519, &param.ed25519) ? 0 : 1;
- if (rc == 1) {
- s390x_flip_endian32(x_dst, param.ed25519.x_dst);
- s390x_flip_endian32(y_dst, param.ed25519.y_dst);
- }
-
- OPENSSL_cleanse(param.ed25519.d_src, sizeof(param.ed25519.d_src));
- return rc;
-}
-
-static int s390x_ed448_mul(unsigned char x_dst[57],
- unsigned char y_dst[57],
- const unsigned char x_src[57],
- const unsigned char y_src[57],
- const unsigned char d_src[57])
-{
- union {
- struct {
- unsigned char x_dst[64];
- unsigned char y_dst[64];
- unsigned char x_src[64];
- unsigned char y_src[64];
- unsigned char d_src[64];
- } ed448;
- unsigned long long buff[512];
- } param;
- int rc;
-
- memset(&param, 0, sizeof(param));
-
- memcpy(param.ed448.x_src, x_src, 57);
- memcpy(param.ed448.y_src, y_src, 57);
- memcpy(param.ed448.d_src, d_src, 57);
- s390x_flip_endian64(param.ed448.x_src, param.ed448.x_src);
- s390x_flip_endian64(param.ed448.y_src, param.ed448.y_src);
- s390x_flip_endian64(param.ed448.d_src, param.ed448.d_src);
-
- rc = s390x_pcc(S390X_SCALAR_MULTIPLY_ED448, &param.ed448) ? 0 : 1;
- if (rc == 1) {
- s390x_flip_endian64(param.ed448.x_dst, param.ed448.x_dst);
- s390x_flip_endian64(param.ed448.y_dst, param.ed448.y_dst);
- memcpy(x_dst, param.ed448.x_dst, 57);
- memcpy(y_dst, param.ed448.y_dst, 57);
- }
-
- OPENSSL_cleanse(param.ed448.d_src, sizeof(param.ed448.d_src));
- return rc;
-}
static int s390x_pkey_ecx_keygen25519(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 03:43:04 +0100