72 lines
2.2 KiB
Groff
72 lines
2.2 KiB
Groff
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.\" generated by cd2nroff 0.1 from CURLOPT_SSLKEY_BLOB.md
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.TH CURLOPT_SSLKEY_BLOB 3 "2025-07-07" libcurl
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.SH NAME
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CURLOPT_SSLKEY_BLOB \- private key for client cert from memory blob
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLKEY_BLOB,
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struct curl_blob *blob);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a curl_blob structure, which contains information (pointer
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and size) for a private key. Compatible with OpenSSL. The format (like "PEM")
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must be specified with \fICURLOPT_SSLKEYTYPE(3)\fP.
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If the blob is initialized with the flags member of struct curl_blob set to
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CURL_BLOB_COPY, the application does not have to keep the buffer around after
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setting this.
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This option is an alternative to \fICURLOPT_SSLKEY(3)\fP which instead expects a
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filename as input.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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This option works only with the following TLS backends:
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OpenSSL and wolfSSL
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.SH EXAMPLE
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.nf
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extern char *certificateData; /* point to cert */
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extern size_t filesize; /* size of cert */
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extern char *privateKeyData; /* point to key */
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extern size_t privateKeySize; /* size of key */
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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struct curl_blob blob;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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blob.data = certificateData;
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blob.len = filesize;
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blob.flags = CURL_BLOB_COPY;
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curl_easy_setopt(curl, CURLOPT_SSLCERT_BLOB, &blob);
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curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, "PEM");
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blob.data = privateKeyData;
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blob.len = privateKeySize;
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curl_easy_setopt(curl, CURLOPT_SSLKEY_BLOB, &blob);
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curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "s3cret");
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curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, "PEM");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in curl 7.71.0
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.SH RETURN VALUE
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\fIcurl_easy_setopt(3)\fP returns a CURLcode indicating success or error.
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CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
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\fIlibcurl\-errors(3)\fP.
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.SH SEE ALSO
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.BR CURLOPT_SSLKEY (3),
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.BR CURLOPT_SSLKEYTYPE (3)
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