diff options
Diffstat (limited to 'nss/lib/pk11wrap/pk11pk12.c')
| -rw-r--r-- | nss/lib/pk11wrap/pk11pk12.c | 121 |
1 files changed, 119 insertions, 2 deletions
diff --git a/nss/lib/pk11wrap/pk11pk12.c b/nss/lib/pk11wrap/pk11pk12.c index 1683cc5..d753b87 100644 --- a/nss/lib/pk11wrap/pk11pk12.c +++ b/nss/lib/pk11wrap/pk11pk12.c @@ -65,6 +65,19 @@ struct SECKEYDHPrivateKeyStr { typedef struct SECKEYDHPrivateKeyStr SECKEYDHPrivateKey; /* +** Elliptic Curve Private Key structures +** <https://tools.ietf.org/html/rfc5915#section-3> +*/ +struct SECKEYECPrivateKeyStr { + PLArenaPool *arena; + SECItem version; + SECItem curveOID; /* optional/ignored */ + SECItem publicValue; /* required (for now) */ + SECItem privateValue; +}; +typedef struct SECKEYECPrivateKeyStr SECKEYECPrivateKey; + +/* ** raw private key object */ struct SECKEYRawPrivateKeyStr { @@ -74,6 +87,7 @@ struct SECKEYRawPrivateKeyStr { SECKEYRSAPrivateKey rsa; SECKEYDSAPrivateKey dsa; SECKEYDHPrivateKey dh; + SECKEYECPrivateKey ec; } u; }; typedef struct SECKEYRawPrivateKeyStr SECKEYRawPrivateKey; @@ -139,6 +153,33 @@ const SEC_ASN1Template SECKEY_DHPrivateKeyExportTemplate[] = { { SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.dh.prime) }, }; +#ifndef NSS_DISABLE_ECC +SEC_ASN1_MKSUB(SEC_BitStringTemplate) +SEC_ASN1_MKSUB(SEC_ObjectIDTemplate) + +const SEC_ASN1Template SECKEY_ECPrivateKeyExportTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYRawPrivateKey) }, + { SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.ec.version) }, + { SEC_ASN1_OCTET_STRING, + offsetof(SECKEYRawPrivateKey, u.ec.privateValue) }, + /* This value will always be ignored. u.ec.curveOID will always be + * overriden with the outer AlgorithmID.parameters. */ + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | + SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC | + SEC_ASN1_XTRN | 0, + offsetof(SECKEYRawPrivateKey, u.ec.curveOID), + SEC_ASN1_SUB(SEC_ObjectIDTemplate) }, + /* The public value is optional per RFC, but required in NSS. We + * can't do scalar mult on ECs to get a raw point with PK11 APIs. */ + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | + SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC | + SEC_ASN1_XTRN | 1, + offsetof(SECKEYRawPrivateKey, u.ec.publicValue), + SEC_ASN1_SUB(SEC_BitStringTemplate) }, + { 0 } +}; +#endif /* NSS_DISABLE_ECC */ + const SEC_ASN1Template SECKEY_EncryptedPrivateKeyInfoTemplate[] = { { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYEncryptedPrivateKeyInfo) }, @@ -198,6 +239,15 @@ prepare_dh_priv_key_export_for_asn1(SECKEYRawPrivateKey *key) key->u.dh.base.type = siUnsignedInteger; } +static void +prepare_ec_priv_key_export_for_asn1(SECKEYRawPrivateKey *key) +{ + key->u.ec.version.type = siUnsignedInteger; + key->u.ec.curveOID.type = siUnsignedInteger; + key->u.ec.privateValue.type = siUnsignedInteger; + key->u.ec.publicValue.type = siUnsignedInteger; +} + SECStatus PK11_ImportDERPrivateKeyInfo(PK11SlotInfo *slot, SECItem *derPKI, SECItem *nickname, SECItem *publicValue, PRBool isPerm, @@ -432,7 +482,50 @@ PK11_ImportAndReturnPrivateKey(PK11SlotInfo *slot, SECKEYRawPrivateKey *lpk, lpk->u.dh.privateValue.len); attrs++; break; - /* what about fortezza??? */ +#ifndef NSS_DISABLE_ECC + case ecKey: + keyType = CKK_EC; + if (lpk->u.ec.publicValue.len == 0) { + goto loser; + } + if (PK11_IsInternal(slot)) { + PK11_SETATTRS(attrs, CKA_NETSCAPE_DB, + lpk->u.ec.publicValue.data, + lpk->u.ec.publicValue.len); + attrs++; + } + PK11_SETATTRS(attrs, CKA_SIGN, (keyUsage & KU_DIGITAL_SIGNATURE) ? &cktrue + : &ckfalse, + sizeof(CK_BBOOL)); + attrs++; + PK11_SETATTRS(attrs, CKA_SIGN_RECOVER, + (keyUsage & KU_DIGITAL_SIGNATURE) ? &cktrue + : &ckfalse, + sizeof(CK_BBOOL)); + attrs++; + PK11_SETATTRS(attrs, CKA_DERIVE, (keyUsage & KU_KEY_AGREEMENT) ? &cktrue + : &ckfalse, + sizeof(CK_BBOOL)); + attrs++; + ck_id = PK11_MakeIDFromPubKey(&lpk->u.ec.publicValue); + if (ck_id == NULL) { + goto loser; + } + PK11_SETATTRS(attrs, CKA_ID, ck_id->data, ck_id->len); + attrs++; + signedattr = attrs; + /* curveOID always is a copy of AlgorithmID.parameters. */ + PK11_SETATTRS(attrs, CKA_EC_PARAMS, lpk->u.ec.curveOID.data, + lpk->u.ec.curveOID.len); + attrs++; + PK11_SETATTRS(attrs, CKA_VALUE, lpk->u.ec.privateValue.data, + lpk->u.ec.privateValue.len); + attrs++; + PK11_SETATTRS(attrs, CKA_EC_POINT, lpk->u.ec.publicValue.data, + lpk->u.ec.publicValue.len); + attrs++; + break; +#endif /* NSS_DISABLE_ECC */ default: PORT_SetError(SEC_ERROR_BAD_KEY); goto loser; @@ -513,6 +606,15 @@ PK11_ImportPrivateKeyInfoAndReturnKey(PK11SlotInfo *slot, paramDest = NULL; lpk->keyType = dhKey; break; +#ifndef NSS_DISABLE_ECC + case SEC_OID_ANSIX962_EC_PUBLIC_KEY: + prepare_ec_priv_key_export_for_asn1(lpk); + keyTemplate = SECKEY_ECPrivateKeyExportTemplate; + paramTemplate = NULL; + paramDest = NULL; + lpk->keyType = ecKey; + break; +#endif /* NSS_DISABLE_ECC */ default: keyTemplate = NULL; @@ -526,10 +628,25 @@ PK11_ImportPrivateKeyInfoAndReturnKey(PK11SlotInfo *slot, } /* decode the private key and any algorithm parameters */ - rv = SEC_ASN1DecodeItem(arena, lpk, keyTemplate, &pki->privateKey); + rv = SEC_QuickDERDecodeItem(arena, lpk, keyTemplate, &pki->privateKey); if (rv != SECSuccess) { goto loser; } + +#ifndef NSS_DISABLE_ECC + if (lpk->keyType == ecKey) { + /* Convert length in bits to length in bytes. */ + lpk->u.ec.publicValue.len >>= 3; + + /* Always override curveOID, we're ignoring any given value. */ + rv = SECITEM_CopyItem(arena, &lpk->u.ec.curveOID, + &pki->algorithm.parameters); + if (rv != SECSuccess) { + goto loser; + } + } +#endif /* NSS_DISABLE_ECC */ + if (paramDest && paramTemplate) { rv = SEC_ASN1DecodeItem(arena, paramDest, paramTemplate, &(pki->algorithm.parameters)); |