diff options
| author | Matt Caswell <matt@openssl.org> | 2019-07-03 17:30:03 +0100 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2019-08-06 11:19:07 +0100 |
| commit | a9612d6c034f47c4788c67d85651d0cd58c3faf7 (patch) | |
| tree | b3af6481b8c7a2a50b8834c3cec70841ae739f95 /crypto/ec/ec2_oct.c | |
| parent | c1a3f16f735057b45df1803d58f40e4e17b233e5 (diff) | |
Make the EC code available from inside the FIPS provider
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/9380)
Diffstat (limited to 'crypto/ec/ec2_oct.c')
| -rw-r--r-- | crypto/ec/ec2_oct.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/crypto/ec/ec2_oct.c b/crypto/ec/ec2_oct.c index ca36bb1673..f9ee3be931 100644 --- a/crypto/ec/ec2_oct.c +++ b/crypto/ec/ec2_oct.c @@ -35,9 +35,10 @@ int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *group, const BIGNUM *x_, int y_bit, BN_CTX *ctx) { - BN_CTX *new_ctx = NULL; BIGNUM *tmp, *x, *y, *z; int ret = 0, z0; +#ifndef FIPS_MODE + BN_CTX *new_ctx = NULL; /* clear error queue */ ERR_clear_error(); @@ -47,6 +48,7 @@ int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *group, if (ctx == NULL) return 0; } +#endif y_bit = (y_bit != 0) ? 1 : 0; @@ -73,6 +75,7 @@ int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *group, if (!BN_GF2m_add(tmp, x, tmp)) goto err; if (!BN_GF2m_mod_solve_quad_arr(z, tmp, group->poly, ctx)) { +#ifndef FIPS_MODE unsigned long err = ERR_peek_last_error(); if (ERR_GET_LIB(err) == ERR_LIB_BN @@ -81,8 +84,11 @@ int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *group, ECerr(EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES, EC_R_INVALID_COMPRESSED_POINT); } else +#endif + { ECerr(EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES, ERR_R_BN_LIB); + } goto err; } z0 = (BN_is_odd(z)) ? 1 : 0; @@ -101,7 +107,9 @@ int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *group, err: BN_CTX_end(ctx); +#ifndef FIPS_MODE BN_CTX_free(new_ctx); +#endif return ret; } @@ -115,10 +123,12 @@ size_t ec_GF2m_simple_point2oct(const EC_GROUP *group, const EC_POINT *point, unsigned char *buf, size_t len, BN_CTX *ctx) { size_t ret; - BN_CTX *new_ctx = NULL; int used_ctx = 0; BIGNUM *x, *y, *yxi; size_t field_len, i, skip; +#ifndef FIPS_MODE + BN_CTX *new_ctx = NULL; +#endif if ((form != POINT_CONVERSION_COMPRESSED) && (form != POINT_CONVERSION_UNCOMPRESSED) @@ -152,11 +162,13 @@ size_t ec_GF2m_simple_point2oct(const EC_GROUP *group, const EC_POINT *point, goto err; } +#ifndef FIPS_MODE if (ctx == NULL) { ctx = new_ctx = BN_CTX_new(); if (ctx == NULL) return 0; } +#endif BN_CTX_start(ctx); used_ctx = 1; @@ -218,13 +230,17 @@ size_t ec_GF2m_simple_point2oct(const EC_GROUP *group, const EC_POINT *point, if (used_ctx) BN_CTX_end(ctx); +#ifndef FIPS_MODE BN_CTX_free(new_ctx); +#endif return ret; err: if (used_ctx) BN_CTX_end(ctx); +#ifndef FIPS_MODE BN_CTX_free(new_ctx); +#endif return 0; } @@ -238,10 +254,12 @@ int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point, { point_conversion_form_t form; int y_bit, m; - BN_CTX *new_ctx = NULL; BIGNUM *x, *y, *yxi; size_t field_len, enc_len; int ret = 0; +#ifndef FIPS_MODE + BN_CTX *new_ctx = NULL; +#endif if (len == 0) { ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_BUFFER_TOO_SMALL); @@ -281,11 +299,13 @@ int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point, return 0; } +#ifndef FIPS_MODE if (ctx == NULL) { ctx = new_ctx = BN_CTX_new(); if (ctx == NULL) return 0; } +#endif BN_CTX_start(ctx); x = BN_CTX_get(ctx); @@ -332,7 +352,9 @@ int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point, err: BN_CTX_end(ctx); +#ifndef FIPS_MODE BN_CTX_free(new_ctx); +#endif return ret; } #endif |