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crypto: Remove unused crypto_ec_point_solve_y_coord()

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This wrapper function is not used anymore, so remove it.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2022-01-07 19:44:10 +02:00
parent 8c502336d4
commit 9b14aed908
3 changed files with 0 additions and 51 deletions
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12
src/crypto/crypto.h
View file

@ -882,18 +882,6 @@ int crypto_ec_point_mul(struct crypto_ec *e, const struct crypto_ec_point *p,
*/
int crypto_ec_point_invert(struct crypto_ec *e, struct crypto_ec_point *p);
/**
* crypto_ec_point_solve_y_coord - Solve y coordinate for an x coordinate
* @e: EC context from crypto_ec_init()
* @p: EC point to use for the returning the result
* @x: x coordinate
* @y_bit: y-bit (0 or 1) for selecting the y value to use
* Returns: 0 on success, -1 on failure
*/
int crypto_ec_point_solve_y_coord(struct crypto_ec *e,
struct crypto_ec_point *p,
const struct crypto_bignum *x, int y_bit);
/**
* crypto_ec_point_compute_y_sqr - Compute y^2 = x^3 + ax + b
* @e: EC context from crypto_ec_init()

15
src/crypto/crypto_openssl.c
View file

@ -1951,21 +1951,6 @@ int crypto_ec_point_invert(struct crypto_ec *e, struct crypto_ec_point *p)
}
int crypto_ec_point_solve_y_coord(struct crypto_ec *e,
struct crypto_ec_point *p,
const struct crypto_bignum *x, int y_bit)
{
if (TEST_FAIL())
return -1;
if (!EC_POINT_set_compressed_coordinates_GFp(e->group, (EC_POINT *) p,
(const BIGNUM *) x, y_bit,
e->bnctx) ||
!EC_POINT_is_on_curve(e->group, (EC_POINT *) p, e->bnctx))
return -1;
return 0;
}
struct crypto_bignum *
crypto_ec_point_compute_y_sqr(struct crypto_ec *e,
const struct crypto_bignum *x)

24
src/crypto/crypto_wolfssl.c
View file

@ -1630,30 +1630,6 @@ int crypto_ec_point_invert(struct crypto_ec *e, struct crypto_ec_point *p)
}
int crypto_ec_point_solve_y_coord(struct crypto_ec *e,
struct crypto_ec_point *p,
const struct crypto_bignum *x, int y_bit)
{
byte buf[1 + 2 * MAX_ECC_BYTES];
int ret;
int prime_len = crypto_ec_prime_len(e);
if (TEST_FAIL())
return -1;
buf[0] = y_bit ? ECC_POINT_COMP_ODD : ECC_POINT_COMP_EVEN;
ret = crypto_bignum_to_bin(x, buf + 1, prime_len, prime_len);
if (ret <= 0)
return -1;
ret = wc_ecc_import_point_der(buf, 1 + 2 * ret, e->key.idx,
(ecc_point *) p);
if (ret != 0)
return -1;
return 0;
}
struct crypto_bignum *
crypto_ec_point_compute_y_sqr(struct crypto_ec *e,
const struct crypto_bignum *x)