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-rw-r--r--src/lib/libcrypto/ec/ec_lcl.h55
1 files changed, 54 insertions, 1 deletions
diff --git a/src/lib/libcrypto/ec/ec_lcl.h b/src/lib/libcrypto/ec/ec_lcl.h
index 3e2c34b0bc..da7967df38 100644
--- a/src/lib/libcrypto/ec/ec_lcl.h
+++ b/src/lib/libcrypto/ec/ec_lcl.h
@@ -3,7 +3,7 @@
3 * Originally written by Bodo Moeller for the OpenSSL project. 3 * Originally written by Bodo Moeller for the OpenSSL project.
4 */ 4 */
5/* ==================================================================== 5/* ====================================================================
6 * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. 6 * Copyright (c) 1998-2010 The OpenSSL Project. All rights reserved.
7 * 7 *
8 * Redistribution and use in source and binary forms, with or without 8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions 9 * modification, are permitted provided that the following conditions
@@ -82,10 +82,15 @@
82# endif 82# endif
83#endif 83#endif
84 84
85/* Use default functions for poin2oct, oct2point and compressed coordinates */
86#define EC_FLAGS_DEFAULT_OCT 0x1
87
85/* Structure details are not part of the exported interface, 88/* Structure details are not part of the exported interface,
86 * so all this may change in future versions. */ 89 * so all this may change in future versions. */
87 90
88struct ec_method_st { 91struct ec_method_st {
92 /* Various method flags */
93 int flags;
89 /* used by EC_METHOD_get_field_type: */ 94 /* used by EC_METHOD_get_field_type: */
90 int field_type; /* a NID */ 95 int field_type; /* a NID */
91 96
@@ -244,6 +249,7 @@ struct ec_key_st {
244 point_conversion_form_t conv_form; 249 point_conversion_form_t conv_form;
245 250
246 int references; 251 int references;
252 int flags;
247 253
248 EC_EXTRA_DATA *method_data; 254 EC_EXTRA_DATA *method_data;
249} /* EC_KEY */; 255} /* EC_KEY */;
@@ -391,3 +397,50 @@ int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
391 size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *); 397 size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
392int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx); 398int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
393int ec_GF2m_have_precompute_mult(const EC_GROUP *group); 399int ec_GF2m_have_precompute_mult(const EC_GROUP *group);
400
401/* method functions in ec2_mult.c */
402int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
403 size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
404int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
405int ec_GF2m_have_precompute_mult(const EC_GROUP *group);
406
407#ifndef OPENSSL_EC_NISTP_64_GCC_128
408/* method functions in ecp_nistp224.c */
409int ec_GFp_nistp224_group_init(EC_GROUP *group);
410int ec_GFp_nistp224_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
411int ec_GFp_nistp224_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point, BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
412int ec_GFp_nistp224_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
413int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx);
414int ec_GFp_nistp224_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
415int ec_GFp_nistp224_have_precompute_mult(const EC_GROUP *group);
416
417/* method functions in ecp_nistp256.c */
418int ec_GFp_nistp256_group_init(EC_GROUP *group);
419int ec_GFp_nistp256_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
420int ec_GFp_nistp256_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point, BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
421int ec_GFp_nistp256_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
422int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx);
423int ec_GFp_nistp256_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
424int ec_GFp_nistp256_have_precompute_mult(const EC_GROUP *group);
425
426/* method functions in ecp_nistp521.c */
427int ec_GFp_nistp521_group_init(EC_GROUP *group);
428int ec_GFp_nistp521_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
429int ec_GFp_nistp521_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point, BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
430int ec_GFp_nistp521_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
431int ec_GFp_nistp521_points_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx);
432int ec_GFp_nistp521_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
433int ec_GFp_nistp521_have_precompute_mult(const EC_GROUP *group);
434
435/* utility functions in ecp_nistputil.c */
436void ec_GFp_nistp_points_make_affine_internal(size_t num, void *point_array,
437 size_t felem_size, void *tmp_felems,
438 void (*felem_one)(void *out),
439 int (*felem_is_zero)(const void *in),
440 void (*felem_assign)(void *out, const void *in),
441 void (*felem_square)(void *out, const void *in),
442 void (*felem_mul)(void *out, const void *in1, const void *in2),
443 void (*felem_inv)(void *out, const void *in),
444 void (*felem_contract)(void *out, const void *in));
445void ec_GFp_nistp_recode_scalar_bits(unsigned char *sign, unsigned char *digit, unsigned char in);
446#endif