Update to openssl-1.0.1

1 files changed, 10 insertions, 369 deletions

diff --git a/openssl/crypto/ec/ecp_smpl.c b/openssl/crypto/ec/ecp_smpl.c
index 66a92e2a9..7cbb321f9 100644
--- a/openssl/crypto/ec/ecp_smpl.c
+++ b/openssl/crypto/ec/ecp_smpl.c
@@ -65,11 +65,19 @@
 #include <openssl/err.h>
 #include <openssl/symhacks.h>
 
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
 #include "ec_lcl.h"
 
 const EC_METHOD *EC_GFp_simple_method(void)
 	{
+#ifdef OPENSSL_FIPS
+	return fips_ec_gfp_simple_method();
+#else
 	static const EC_METHOD ret = {
+		EC_FLAGS_DEFAULT_OCT,
 		NID_X9_62_prime_field,
 		ec_GFp_simple_group_init,
 		ec_GFp_simple_group_finish,
@@ -88,9 +96,7 @@ const EC_METHOD *EC_GFp_simple_method(void)
 		ec_GFp_simple_get_Jprojective_coordinates_GFp,
 		ec_GFp_simple_point_set_affine_coordinates,
 		ec_GFp_simple_point_get_affine_coordinates,
-		ec_GFp_simple_set_compressed_coordinates,
-		ec_GFp_simple_point2oct,
-		ec_GFp_simple_oct2point,
+		0,0,0,
 		ec_GFp_simple_add,
 		ec_GFp_simple_dbl,
 		ec_GFp_simple_invert,
@@ -110,6 +116,7 @@ const EC_METHOD *EC_GFp_simple_method(void)
 		0 /* field_set_to_one */ };
 
 	return &ret;
+#endif
 	}
 
 
@@ -633,372 +640,6 @@ int ec_GFp_simple_point_get_affine_coordinates(const EC_GROUP *group, const EC_P
 	return ret;
 	}
 
-
-int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group, EC_POINT *point,
-	const BIGNUM *x_, int y_bit, BN_CTX *ctx)
-	{
-	BN_CTX *new_ctx = NULL;
-	BIGNUM *tmp1, *tmp2, *x, *y;
-	int ret = 0;
-
-	/* clear error queue*/
-	ERR_clear_error();
-
-	if (ctx == NULL)
-		{
-		ctx = new_ctx = BN_CTX_new();
-		if (ctx == NULL)
-			return 0;
-		}
-
-	y_bit = (y_bit != 0);
-
-	BN_CTX_start(ctx);
-	tmp1 = BN_CTX_get(ctx);
-	tmp2 = BN_CTX_get(ctx);
-	x = BN_CTX_get(ctx);
-	y = BN_CTX_get(ctx);
-	if (y == NULL) goto err;
-
-	/* Recover y.  We have a Weierstrass equation
-	 *     y^2 = x^3 + a*x + b,
-	 * so  y  is one of the square roots of  x^3 + a*x + b.
-	 */
-
-	/* tmp1 := x^3 */
-	if (!BN_nnmod(x, x_, &group->field,ctx)) goto err;
-	if (group->meth->field_decode == 0)
-		{
-		/* field_{sqr,mul} work on standard representation */
-		if (!group->meth->field_sqr(group, tmp2, x_, ctx)) goto err;
-		if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx)) goto err;
-		}
-	else
-		{
-		if (!BN_mod_sqr(tmp2, x_, &group->field, ctx)) goto err;
-		if (!BN_mod_mul(tmp1, tmp2, x_, &group->field, ctx)) goto err;
-		}
-	
-	/* tmp1 := tmp1 + a*x */
-	if (group->a_is_minus3)
-		{
-		if (!BN_mod_lshift1_quick(tmp2, x, &group->field)) goto err;
-		if (!BN_mod_add_quick(tmp2, tmp2, x, &group->field)) goto err;
-		if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, &group->field)) goto err;
-		}
-	else
-		{
-		if (group->meth->field_decode)
-			{
-			if (!group->meth->field_decode(group, tmp2, &group->a, ctx)) goto err;
-			if (!BN_mod_mul(tmp2, tmp2, x, &group->field, ctx)) goto err;
-			}
-		else
-			{
-			/* field_mul works on standard representation */
-			if (!group->meth->field_mul(group, tmp2, &group->a, x, ctx)) goto err;
-			}
-		
-		if (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) goto err;
-		}
-	
-	/* tmp1 := tmp1 + b */
-	if (group->meth->field_decode)
-		{
-		if (!group->meth->field_decode(group, tmp2, &group->b, ctx)) goto err;
-		if (!BN_mod_add_quick(tmp1, tmp1, tmp2, &group->field)) goto err;
-		}
-	else
-		{
-		if (!BN_mod_add_quick(tmp1, tmp1, &group->b, &group->field)) goto err;
-		}
-	
-	if (!BN_mod_sqrt(y, tmp1, &group->field, ctx))
-		{
-		unsigned long err = ERR_peek_last_error();
-		
-		if (ERR_GET_LIB(err) == ERR_LIB_BN && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE)
-			{
-			ERR_clear_error();
-			ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES, EC_R_INVALID_COMPRESSED_POINT);
-			}
-		else
-			ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES, ERR_R_BN_LIB);
-		goto err;
-		}
-
-	if (y_bit != BN_is_odd(y))
-		{
-		if (BN_is_zero(y))
-			{
-			int kron;
-
-			kron = BN_kronecker(x, &group->field, ctx);
-			if (kron == -2) goto err;
-
-			if (kron == 1)
-				ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES, EC_R_INVALID_COMPRESSION_BIT);
-			else
-				/* BN_mod_sqrt() should have cought this error (not a square) */
-				ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES, EC_R_INVALID_COMPRESSED_POINT);
-			goto err;
-			}
-		if (!BN_usub(y, &group->field, y)) goto err;
-		}
-	if (y_bit != BN_is_odd(y))
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES, ERR_R_INTERNAL_ERROR);
-		goto err;
-		}
-
-	if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) goto err;
-
-	ret = 1;
-
- err:
-	BN_CTX_end(ctx);
-	if (new_ctx != NULL)
-		BN_CTX_free(new_ctx);
-	return ret;
-	}
-
-
-size_t ec_GFp_simple_point2oct(const EC_GROUP *group, const EC_POINT *point, point_conversion_form_t form,
-	unsigned char *buf, size_t len, BN_CTX *ctx)
-	{
-	size_t ret;
-	BN_CTX *new_ctx = NULL;
-	int used_ctx = 0;
-	BIGNUM *x, *y;
-	size_t field_len, i, skip;
-
-	if ((form != POINT_CONVERSION_COMPRESSED)
-		&& (form != POINT_CONVERSION_UNCOMPRESSED)
-		&& (form != POINT_CONVERSION_HYBRID))
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, EC_R_INVALID_FORM);
-		goto err;
-		}
-
-	if (EC_POINT_is_at_infinity(group, point))
-		{
-		/* encodes to a single 0 octet */
-		if (buf != NULL)
-			{
-			if (len < 1)
-				{
-				ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, EC_R_BUFFER_TOO_SMALL);
-				return 0;
-				}
-			buf[0] = 0;
-			}
-		return 1;
-		}
-
-
-	/* ret := required output buffer length */
-	field_len = BN_num_bytes(&group->field);
-	ret = (form == POINT_CONVERSION_COMPRESSED) ? 1 + field_len : 1 + 2*field_len;
-
-	/* if 'buf' is NULL, just return required length */
-	if (buf != NULL)
-		{
-		if (len < ret)
-			{
-			ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, EC_R_BUFFER_TOO_SMALL);
-			goto err;
-			}
-
-		if (ctx == NULL)
-			{
-			ctx = new_ctx = BN_CTX_new();
-			if (ctx == NULL)
-				return 0;
-			}
-
-		BN_CTX_start(ctx);
-		used_ctx = 1;
-		x = BN_CTX_get(ctx);
-		y = BN_CTX_get(ctx);
-		if (y == NULL) goto err;
-
-		if (!EC_POINT_get_affine_coordinates_GFp(group, point, x, y, ctx)) goto err;
-
-		if ((form == POINT_CONVERSION_COMPRESSED || form == POINT_CONVERSION_HYBRID) && BN_is_odd(y))
-			buf[0] = form + 1;
-		else
-			buf[0] = form;
-	
-		i = 1;
-		
-		skip = field_len - BN_num_bytes(x);
-		if (skip > field_len)
-			{
-			ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-		while (skip > 0)
-			{
-			buf[i++] = 0;
-			skip--;
-			}
-		skip = BN_bn2bin(x, buf + i);
-		i += skip;
-		if (i != 1 + field_len)
-			{
-			ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-
-		if (form == POINT_CONVERSION_UNCOMPRESSED || form == POINT_CONVERSION_HYBRID)
-			{
-			skip = field_len - BN_num_bytes(y);
-			if (skip > field_len)
-				{
-				ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, ERR_R_INTERNAL_ERROR);
-				goto err;
-				}
-			while (skip > 0)
-				{
-				buf[i++] = 0;
-				skip--;
-				}
-			skip = BN_bn2bin(y, buf + i);
-			i += skip;
-			}
-
-		if (i != ret)
-			{
-			ECerr(EC_F_EC_GFP_SIMPLE_POINT2OCT, ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-		}
-	
-	if (used_ctx)
-		BN_CTX_end(ctx);
-	if (new_ctx != NULL)
-		BN_CTX_free(new_ctx);
-	return ret;
-
- err:
-	if (used_ctx)
-		BN_CTX_end(ctx);
-	if (new_ctx != NULL)
-		BN_CTX_free(new_ctx);
-	return 0;
-	}
-
-
-int ec_GFp_simple_oct2point(const EC_GROUP *group, EC_POINT *point,
-	const unsigned char *buf, size_t len, BN_CTX *ctx)
-	{
-	point_conversion_form_t form;
-	int y_bit;
-	BN_CTX *new_ctx = NULL;
-	BIGNUM *x, *y;
-	size_t field_len, enc_len;
-	int ret = 0;
-
-	if (len == 0)
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_BUFFER_TOO_SMALL);
-		return 0;
-		}
-	form = buf[0];
-	y_bit = form & 1;
-	form = form & ~1U;
-	if ((form != 0)	&& (form != POINT_CONVERSION_COMPRESSED)
-		&& (form != POINT_CONVERSION_UNCOMPRESSED)
-		&& (form != POINT_CONVERSION_HYBRID))
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-		return 0;
-		}
-	if ((form == 0 || form == POINT_CONVERSION_UNCOMPRESSED) && y_bit)
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-		return 0;
-		}
-
-	if (form == 0)
-		{
-		if (len != 1)
-			{
-			ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-			return 0;
-			}
-
-		return EC_POINT_set_to_infinity(group, point);
-		}
-	
-	field_len = BN_num_bytes(&group->field);
-	enc_len = (form == POINT_CONVERSION_COMPRESSED) ? 1 + field_len : 1 + 2*field_len;
-
-	if (len != enc_len)
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-		return 0;
-		}
-
-	if (ctx == NULL)
-		{
-		ctx = new_ctx = BN_CTX_new();
-		if (ctx == NULL)
-			return 0;
-		}
-
-	BN_CTX_start(ctx);
-	x = BN_CTX_get(ctx);
-	y = BN_CTX_get(ctx);
-	if (y == NULL) goto err;
-
-	if (!BN_bin2bn(buf + 1, field_len, x)) goto err;
-	if (BN_ucmp(x, &group->field) >= 0)
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-		goto err;
-		}
-
-	if (form == POINT_CONVERSION_COMPRESSED)
-		{
-		if (!EC_POINT_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx)) goto err;
-		}
-	else
-		{
-		if (!BN_bin2bn(buf + 1 + field_len, field_len, y)) goto err;
-		if (BN_ucmp(y, &group->field) >= 0)
-			{
-			ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-			goto err;
-			}
-		if (form == POINT_CONVERSION_HYBRID)
-			{
-			if (y_bit != BN_is_odd(y))
-				{
-				ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);
-				goto err;
-				}
-			}
-
-		if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx)) goto err;
-		}
-	
-	if (!EC_POINT_is_on_curve(group, point, ctx)) /* test required by X9.62 */
-		{
-		ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_POINT_IS_NOT_ON_CURVE);
-		goto err;
-		}
-
-	ret = 1;
-	
- err:
-	BN_CTX_end(ctx);
-	if (new_ctx != NULL)
-		BN_CTX_free(new_ctx);
-	return ret;
-	}
-
-
 int ec_GFp_simple_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx)
 	{
 	int (*field_mul)(const EC_GROUP *, BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);