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author | marha <marha@users.sourceforge.net> | 2014-10-19 11:31:33 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2014-10-19 11:33:30 +0200 |
commit | a14858a22f164b5accc4bd192a5d3de21d88e3d1 (patch) | |
tree | 6a0005fed0f248559139016a7310add07fcb62df /openssl/crypto/ec/ec_asn1.c | |
parent | fa5a6df66cfe9b19014ea9d2fca35b762f457041 (diff) | |
download | vcxsrv-a14858a22f164b5accc4bd192a5d3de21d88e3d1.tar.gz vcxsrv-a14858a22f164b5accc4bd192a5d3de21d88e3d1.tar.bz2 vcxsrv-a14858a22f164b5accc4bd192a5d3de21d88e3d1.zip |
Update to openssl-1.0.1j
Diffstat (limited to 'openssl/crypto/ec/ec_asn1.c')
-rw-r--r-- | openssl/crypto/ec/ec_asn1.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/openssl/crypto/ec/ec_asn1.c b/openssl/crypto/ec/ec_asn1.c index e94f34e11..52d31c2f9 100644 --- a/openssl/crypto/ec/ec_asn1.c +++ b/openssl/crypto/ec/ec_asn1.c @@ -1183,29 +1183,46 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len) goto err; } + if (ret->pub_key) + EC_POINT_clear_free(ret->pub_key); + ret->pub_key = EC_POINT_new(ret->group); + if (ret->pub_key == NULL) + { + ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB); + goto err; + } + if (priv_key->publicKey) { const unsigned char *pub_oct; - size_t pub_oct_len; + int pub_oct_len; - if (ret->pub_key) - EC_POINT_clear_free(ret->pub_key); - ret->pub_key = EC_POINT_new(ret->group); - if (ret->pub_key == NULL) + pub_oct = M_ASN1_STRING_data(priv_key->publicKey); + pub_oct_len = M_ASN1_STRING_length(priv_key->publicKey); + /* The first byte - point conversion form - must be present. */ + if (pub_oct_len <= 0) { - ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB); + ECerr(EC_F_D2I_ECPRIVATEKEY, EC_R_BUFFER_TOO_SMALL); goto err; } - pub_oct = M_ASN1_STRING_data(priv_key->publicKey); - pub_oct_len = M_ASN1_STRING_length(priv_key->publicKey); - /* save the point conversion form */ + /* Save the point conversion form. */ ret->conv_form = (point_conversion_form_t)(pub_oct[0] & ~0x01); if (!EC_POINT_oct2point(ret->group, ret->pub_key, - pub_oct, pub_oct_len, NULL)) + pub_oct, (size_t)(pub_oct_len), NULL)) + { + ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB); + goto err; + } + } + else + { + if (!EC_POINT_mul(ret->group, ret->pub_key, ret->priv_key, NULL, NULL, NULL)) { ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB); goto err; } + /* Remember the original private-key-only encoding. */ + ret->enc_flag |= EC_PKEY_NO_PUBKEY; } ok = 1; @@ -1230,7 +1247,8 @@ int i2d_ECPrivateKey(EC_KEY *a, unsigned char **out) size_t buf_len=0, tmp_len; EC_PRIVATEKEY *priv_key=NULL; - if (a == NULL || a->group == NULL || a->priv_key == NULL) + if (a == NULL || a->group == NULL || a->priv_key == NULL || + (!(a->enc_flag & EC_PKEY_NO_PUBKEY) && a->pub_key == NULL)) { ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER); |