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Set SSL client certificate from memory blob.

Component Version macOS Windows Linux Server iOS SDK
CURL 10.3 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "CURL.SetOptionSSLCertBlob"; curl; Value { ; Encoding } )   More


Parameter Description Example Flags
curl The CURL session handle. $curl
Value The blob value.
Either passed as text or passed as container value.
Encoding The text encoding for value parameter when passing text.
Default is UTF-8.
Possible encoding names: ANSI, ISO-8859-1, Latin1, Mac, Native, UTF-8, DOS, Hex, Base64 or Windows. More listed in the FAQ.
"UTF8" Optional


Returns OK or error.


Set SSL client certificate from memory blob.
Pass text or container value, which contains a client certificate. The format must be "P12" on Secure Transport or Schannel. The format must be "P12" or "PEM" on OpenSSL. The string "P12" or "PEM" must be specified with CURL.SetOptionSSLCertType.

This option is an alternative to CURL.SetOptionSSLCert which instead expects a file name as input.

See also SSLCERT_BLOB option in CURL manual.


Set certificate with container field:

MBS( "CURL.SetOptionSSLCertBlob"; $curl; Settings::SSLCert)

See also

Release notes

Blog Entries

Created 24th June 2020, last changed 24th June 2020

CURL.SetOptionSSLCert - CURL.SetOptionSSLCertType