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int sig_nid;
X509_get0_signature(&sig, &sig_alg, cert);
/* sig_nid = X509_get_signature_nid(cert) */
sig_nid = OBJ_obj2nid(sig_alg->algorithm);
LAPPEND_STR(interp, certPtr, "signatureAlgorithm", OBJ_nid2ln(sig_nid), -1);
len = (sig_nid != NID_undef) ? String_to_Hex(sig->data, sig->length, buffer, BUFSIZ) : 0;
LAPPEND_STR(interp, certPtr, "signatureValue", buffer, len);
LAPPEND_STR(interp, certPtr, "signatureValue", buffer, (Tcl_Size) len);
}
/* Version of the encoded certificate - RFC 5280 section 4.1.2.1 */
LAPPEND_LONG(interp, certPtr, "version", X509_get_version(cert)+1);
/* Unique number assigned by CA to certificate - RFC 5280 section 4.1.2.2 */
len = BIO_to_Buffer(i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(cert)), bio, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "serialNumber", buffer, len);
LAPPEND_STR(interp, certPtr, "serialNumber", buffer, (Tcl_Size) len);
/* Signature algorithm used by the CA to sign the certificate. Must match
signatureAlgorithm. RFC 5280 section 4.1.2.3 */
LAPPEND_STR(interp, certPtr, "signature", OBJ_nid2ln(X509_get_signature_nid(cert)), -1);
/* Issuer identifies the entity that signed and issued the cert. RFC 5280 section 4.1.2.4 */
len = BIO_to_Buffer(X509_NAME_print_ex(bio, X509_get_issuer_name(cert), 0, flags), bio, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "issuer", buffer, len);
LAPPEND_STR(interp, certPtr, "issuer", buffer, (Tcl_Size) len);
/* Certificate validity period is the interval the CA warrants that it will
maintain info on the status of the certificate. RFC 5280 section 4.1.2.5 */
/* Get Validity - Not Before */
len = BIO_to_Buffer(ASN1_TIME_print(bio, X509_get0_notBefore(cert)), bio, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "notBefore", buffer, len);
LAPPEND_STR(interp, certPtr, "notBefore", buffer, (Tcl_Size) len);
/* Get Validity - Not After */
len = BIO_to_Buffer(ASN1_TIME_print(bio, X509_get0_notAfter(cert)), bio, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "notAfter", buffer, len);
LAPPEND_STR(interp, certPtr, "notAfter", buffer, (Tcl_Size) len);
/* Subject identifies the entity associated with the public key stored in
the subject public key field. RFC 5280 section 4.1.2.6 */
len = BIO_to_Buffer(X509_NAME_print_ex(bio, X509_get_subject_name(cert), 0, flags), bio, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "subject", buffer, len);
LAPPEND_STR(interp, certPtr, "subject", buffer, (Tcl_Size) len);
/* SHA1 Digest (Fingerprint) of cert - DER representation */
if (X509_digest(cert, EVP_sha1(), md, &len)) {
len = String_to_Hex(md, len, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "sha1_hash", buffer, len);
LAPPEND_STR(interp, certPtr, "sha1_hash", buffer, (Tcl_Size) len);
}
/* SHA256 Digest (Fingerprint) of cert - DER representation */
if (X509_digest(cert, EVP_sha256(), md, &len)) {
len = String_to_Hex(md, len, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "sha256_hash", buffer, len);
LAPPEND_STR(interp, certPtr, "sha256_hash", buffer, (Tcl_Size) len);
}
/* Subject Public Key Info specifies the public key and identifies the
algorithm with which the key is used. RFC 5280 section 4.1.2.7 */
if (X509_get_signature_info(cert, &mdnid, &pknid, &bits, &xflags)) {
ASN1_BIT_STRING *key;
unsigned int n;
LAPPEND_STR(interp, certPtr, "signingDigest", OBJ_nid2ln(mdnid), -1);
LAPPEND_STR(interp, certPtr, "publicKeyAlgorithm", OBJ_nid2ln(pknid), -1);
LAPPEND_INT(interp, certPtr, "bits", bits); /* Effective security bits */
key = X509_get0_pubkey_bitstr(cert);
len = String_to_Hex(key->data, key->length, buffer, BUFSIZ);
LAPPEND_STR(interp, certPtr, "publicKey", buffer, len);
LAPPEND_STR(interp, certPtr, "publicKey", buffer, (Tcl_Size) len);
len = 0;
if (X509_pubkey_digest(cert, EVP_get_digestbynid(pknid), md, &n)) {
len = String_to_Hex(md, (int)n, buffer, BUFSIZ);
}
LAPPEND_STR(interp, certPtr, "publicKeyHash", buffer, len);
LAPPEND_STR(interp, certPtr, "publicKeyHash", buffer, (Tcl_Size) len);
/* digest of the DER representation of the certificate */
len = 0;
if (X509_digest(cert, EVP_get_digestbynid(mdnid), md, &n)) {
len = String_to_Hex(md, (int)n, buffer, BUFSIZ);
}
LAPPEND_STR(interp, certPtr, "signatureHash", buffer, len);
LAPPEND_STR(interp, certPtr, "signatureHash", buffer, (Tcl_Size) len);
}
/* Certificate Purpose. Call before checking for extensions. */
LAPPEND_STR(interp, certPtr, "purpose", Tls_x509Purpose(cert), -1);
LAPPEND_OBJ(interp, certPtr, "certificatePurpose", Tls_x509Purposes(interp, cert));
/* Get extensions flags */
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and/or issuer names over time. RFC 5280 section 4.1.2.8 */
{
const ASN1_BIT_STRING *iuid, *suid;
X509_get0_uids(cert, &iuid, &suid);
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuerUniqueId", -1));
if (iuid != NULL) {
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)iuid->data, iuid->length));
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)iuid->data, (Tcl_Size) iuid->length));
} else {
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
}
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectUniqueId", -1));
if (suid != NULL) {
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)suid->data, suid->length));
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)suid->data, (Tcl_Size) suid->length));
} else {
Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
}
}
/* X509 v3 Extensions - RFC 5280 section 4.1.2.9 */
LAPPEND_INT(interp, certPtr, "extCount", X509_get_ext_count(cert));
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/* Subject Information Access - RFC 5280 section 4.2.2.2, NID_sinfo_access */
/* Certificate Alias. If uses a PKCS#12 structure, alias will reflect the
friendlyName attribute (RFC 2985). */
{
len = 0;
char *string = X509_alias_get0(cert, &len);
LAPPEND_STR(interp, certPtr, "alias", string, len);
LAPPEND_STR(interp, certPtr, "alias", string, (Tcl_Size) len);
}
/* Certificate and dump all data */
{
char certStr[CERT_STR_SIZE];
/* Get certificate */
len = BIO_to_Buffer(PEM_write_bio_X509(bio, cert), bio, certStr, CERT_STR_SIZE);
LAPPEND_STR(interp, certPtr, "certificate", certStr, len);
LAPPEND_STR(interp, certPtr, "certificate", certStr, (Tcl_Size) len);
/* Get all cert info */
len = BIO_to_Buffer(X509_print_ex(bio, cert, flags, 0), bio, certStr, CERT_STR_SIZE);
LAPPEND_STR(interp, certPtr, "all", certStr, len);
LAPPEND_STR(interp, certPtr, "all", certStr, (Tcl_Size) len);
}
BIO_free(bio);
return certPtr;
}
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