diff options
Diffstat (limited to 'security/nss/lib/crmf/asn1cmn.c')
| -rw-r--r-- | security/nss/lib/crmf/asn1cmn.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/security/nss/lib/crmf/asn1cmn.c b/security/nss/lib/crmf/asn1cmn.c new file mode 100644 index 000000000..6cf469fb4 --- /dev/null +++ b/security/nss/lib/crmf/asn1cmn.c @@ -0,0 +1,216 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "cmmf.h" +#include "cmmfi.h" + +SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate) +SEC_ASN1_MKSUB(SEC_AnyTemplate) +SEC_ASN1_MKSUB(SEC_IntegerTemplate) +SEC_ASN1_MKSUB(SEC_SignedCertificateTemplate) + +static const SEC_ASN1Template CMMFCertResponseTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFCertResponse) }, + { SEC_ASN1_INTEGER, offsetof(CMMFCertResponse, certReqId) }, + { SEC_ASN1_INLINE, offsetof(CMMFCertResponse, status), + CMMFPKIStatusInfoTemplate }, + { SEC_ASN1_OPTIONAL | SEC_ASN1_POINTER, + offsetof(CMMFCertResponse, certifiedKeyPair), + CMMFCertifiedKeyPairTemplate }, + { 0 } +}; + +static const SEC_ASN1Template CMMFCertOrEncCertTemplate[] = { + { SEC_ASN1_ANY, offsetof(CMMFCertOrEncCert, derValue), NULL, + sizeof(CMMFCertOrEncCert) }, + { 0 } +}; + +const SEC_ASN1Template CMMFCertifiedKeyPairTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFCertifiedKeyPair) }, + { SEC_ASN1_INLINE, offsetof(CMMFCertifiedKeyPair, certOrEncCert), + CMMFCertOrEncCertTemplate }, + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_POINTER | 0, + offsetof(CMMFCertifiedKeyPair, privateKey), + CRMFEncryptedValueTemplate }, + { SEC_ASN1_NO_STREAM | SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | + SEC_ASN1_XTRN | 1, + offsetof(CMMFCertifiedKeyPair, derPublicationInfo), + SEC_ASN1_SUB(SEC_AnyTemplate) }, + { 0 } +}; + +const SEC_ASN1Template CMMFPKIStatusInfoTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFPKIStatusInfo) }, + { SEC_ASN1_INTEGER, offsetof(CMMFPKIStatusInfo, status) }, + { SEC_ASN1_OPTIONAL | SEC_ASN1_UTF8_STRING, + offsetof(CMMFPKIStatusInfo, statusString) }, + { SEC_ASN1_OPTIONAL | SEC_ASN1_BIT_STRING, + offsetof(CMMFPKIStatusInfo, failInfo) }, + { 0 } +}; + +const SEC_ASN1Template CMMFSequenceOfCertsTemplate[] = { + { SEC_ASN1_SEQUENCE_OF | SEC_ASN1_XTRN, 0, + SEC_ASN1_SUB(SEC_SignedCertificateTemplate) } +}; + +const SEC_ASN1Template CMMFRandTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFRand) }, + { SEC_ASN1_INTEGER, offsetof(CMMFRand, integer) }, + { SEC_ASN1_OCTET_STRING, offsetof(CMMFRand, senderHash) }, + { 0 } +}; + +const SEC_ASN1Template CMMFPOPODecKeyRespContentTemplate[] = { + { SEC_ASN1_SEQUENCE_OF | SEC_ASN1_XTRN, + offsetof(CMMFPOPODecKeyRespContent, responses), + SEC_ASN1_SUB(SEC_IntegerTemplate), + sizeof(CMMFPOPODecKeyRespContent) }, + { 0 } +}; + +const SEC_ASN1Template CMMFCertOrEncCertEncryptedCertTemplate[] = { + { SEC_ASN1_CONTEXT_SPECIFIC | 1, + 0, + CRMFEncryptedValueTemplate }, + { 0 } +}; + +const SEC_ASN1Template CMMFCertOrEncCertCertificateTemplate[] = { + { SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0, + 0, + SEC_ASN1_SUB(SEC_SignedCertificateTemplate) }, + { 0 } +}; + +const SEC_ASN1Template CMMFCertRepContentTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFCertRepContent) }, + { SEC_ASN1_CONSTRUCTED | SEC_ASN1_OPTIONAL | + SEC_ASN1_CONTEXT_SPECIFIC | 1, + offsetof(CMMFCertRepContent, caPubs), + CMMFSequenceOfCertsTemplate }, + { SEC_ASN1_SEQUENCE_OF, offsetof(CMMFCertRepContent, response), + CMMFCertResponseTemplate }, + { 0 } +}; + +static const SEC_ASN1Template CMMFChallengeTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CMMFChallenge) }, + { SEC_ASN1_POINTER | SEC_ASN1_OPTIONAL | SEC_ASN1_XTRN, + offsetof(CMMFChallenge, owf), + SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, + { SEC_ASN1_OCTET_STRING, offsetof(CMMFChallenge, witness) }, + { SEC_ASN1_ANY, offsetof(CMMFChallenge, senderDER) }, + { SEC_ASN1_OCTET_STRING, offsetof(CMMFChallenge, key) }, + { SEC_ASN1_OCTET_STRING, offsetof(CMMFChallenge, challenge) }, + { 0 } +}; + +const SEC_ASN1Template CMMFPOPODecKeyChallContentTemplate[] = { + { SEC_ASN1_SEQUENCE_OF, offsetof(CMMFPOPODecKeyChallContent, challenges), + CMMFChallengeTemplate, sizeof(CMMFPOPODecKeyChallContent) }, + { 0 } +}; + +SECStatus +cmmf_decode_process_cert_response(PLArenaPool *poolp, + CERTCertDBHandle *db, + CMMFCertResponse *inCertResp) +{ + SECStatus rv = SECSuccess; + + if (inCertResp->certifiedKeyPair != NULL) { + rv = cmmf_decode_process_certified_key_pair(poolp, + db, + inCertResp->certifiedKeyPair); + } + return rv; +} + +static CERTCertificate * +cmmf_DecodeDERCertificate(CERTCertDBHandle *db, SECItem *derCert) +{ + CERTCertificate *newCert; + + newCert = CERT_NewTempCertificate(db, derCert, NULL, PR_FALSE, PR_TRUE); + return newCert; +} + +static CMMFCertOrEncCertChoice +cmmf_get_certorenccertchoice_from_der(SECItem *der) +{ + CMMFCertOrEncCertChoice retChoice; + + switch (der->data[0] & 0x0f) { + case 0: + retChoice = cmmfCertificate; + break; + case 1: + retChoice = cmmfEncryptedCert; + break; + default: + retChoice = cmmfNoCertOrEncCert; + break; + } + return retChoice; +} + +static SECStatus +cmmf_decode_process_certorenccert(PLArenaPool *poolp, + CERTCertDBHandle *db, + CMMFCertOrEncCert *inCertOrEncCert) +{ + SECStatus rv = SECSuccess; + + inCertOrEncCert->choice = + cmmf_get_certorenccertchoice_from_der(&inCertOrEncCert->derValue); + + switch (inCertOrEncCert->choice) { + case cmmfCertificate: { + /* The DER has implicit tagging, so we gotta switch it to + * un-tagged in order for the ASN1 parser to understand it. + * Saving the bits that were changed. + */ + inCertOrEncCert->derValue.data[0] = 0x30; + inCertOrEncCert->cert.certificate = + cmmf_DecodeDERCertificate(db, &inCertOrEncCert->derValue); + if (inCertOrEncCert->cert.certificate == NULL) { + rv = SECFailure; + } + + } break; + case cmmfEncryptedCert: + PORT_Assert(poolp); + if (!poolp) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + rv = SECFailure; + break; + } + inCertOrEncCert->cert.encryptedCert = + PORT_ArenaZNew(poolp, CRMFEncryptedValue); + if (inCertOrEncCert->cert.encryptedCert == NULL) { + rv = SECFailure; + break; + } + rv = SEC_ASN1Decode(poolp, inCertOrEncCert->cert.encryptedCert, + CMMFCertOrEncCertEncryptedCertTemplate, + (const char *)inCertOrEncCert->derValue.data, + inCertOrEncCert->derValue.len); + break; + default: + rv = SECFailure; + } + return rv; +} + +SECStatus +cmmf_decode_process_certified_key_pair(PLArenaPool *poolp, + CERTCertDBHandle *db, + CMMFCertifiedKeyPair *inCertKeyPair) +{ + return cmmf_decode_process_certorenccert(poolp, + db, + &inCertKeyPair->certOrEncCert); +} |