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| author | Adam Langley <agl@google.com> | 2015-06-23 16:25:33 -0700 |
|---|---|---|
| committer | Adam Langley <agl@google.com> | 2015-06-23 16:32:59 -0700 |
| commit | e0846beeb321f7d3170e4e389950b12fce69ab10 (patch) | |
| tree | 8eda6049fe3ea6ba4f6e3f0fa703e4c4aa7608f8 | |
| parent | 98856d4b9dc1a59a576816dbb097aa9d9e6de47a (diff) | |
| download | external_boringssl-e0846beeb321f7d3170e4e389950b12fce69ab10.tar.gz external_boringssl-e0846beeb321f7d3170e4e389950b12fce69ab10.tar.bz2 external_boringssl-e0846beeb321f7d3170e4e389950b12fce69ab10.zip | |
dsa_pub_encode: Write out DSA parameters (p, q, g) in addition to key.
This change cherry-picks BoringSSL's e65886a5.
Change-Id: I63d5dc280d420b64b658bfd85f180a01adb8a18b
| -rw-r--r-- | src/crypto/evp/p_dsa_asn1.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/crypto/evp/p_dsa_asn1.c b/src/crypto/evp/p_dsa_asn1.c index 0ac7da7..826d4e4 100644 --- a/src/crypto/evp/p_dsa_asn1.c +++ b/src/crypto/evp/p_dsa_asn1.c @@ -129,21 +129,37 @@ err: static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) { DSA *dsa; - void *pval = NULL; + ASN1_STRING *pval = NULL; uint8_t *penc = NULL; int penclen; dsa = pkey->pkey.dsa; dsa->write_params = 0; - penclen = i2d_DSAPublicKey(dsa, &penc); + int ptype; + if (dsa->p && dsa->q && dsa->g) { + pval = ASN1_STRING_new(); + if (!pval) { + OPENSSL_PUT_ERROR(EVP, dsa_pub_encode, ERR_R_MALLOC_FAILURE); + goto err; + } + pval->length = i2d_DSAparams(dsa, &pval->data); + if (pval->length <= 0) { + OPENSSL_PUT_ERROR(EVP, dsa_pub_encode, ERR_R_MALLOC_FAILURE); + goto err; + } + ptype = V_ASN1_SEQUENCE; + } else { + ptype = V_ASN1_UNDEF; + } + penclen = i2d_DSAPublicKey(dsa, &penc); if (penclen <= 0) { OPENSSL_PUT_ERROR(EVP, dsa_pub_encode, ERR_R_MALLOC_FAILURE); goto err; } - if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA), V_ASN1_UNDEF, pval, + if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA), ptype, pval, penc, penclen)) { return 1; } |