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authorParménides GV <parmegv@sdf.org>2014-12-15 16:22:58 +0100
committerParménides GV <parmegv@sdf.org>2014-12-15 16:22:58 +0100
commit18fef7c99aa36b3e5622b3865f36d78d0879e92d (patch)
tree7a04fc87318d5008bbc1f1ac145ebb505bb5238c /app/openssl/crypto/ec/ec_asn1.c
parent56fe0400b8983ce57112ed5a0f993985a87741c0 (diff)
parent33c5958a18599267820f73b151d8161d83f93d88 (diff)
Merge branch 'research/Test-on-Android-5-#6543' into develop
Diffstat (limited to 'app/openssl/crypto/ec/ec_asn1.c')
-rw-r--r--app/openssl/crypto/ec/ec_asn1.c40
1 files changed, 29 insertions, 11 deletions
diff --git a/app/openssl/crypto/ec/ec_asn1.c b/app/openssl/crypto/ec/ec_asn1.c
index e94f34e1..52d31c2f 100644
--- a/app/openssl/crypto/ec/ec_asn1.c
+++ b/app/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);