curlx_base64_encode: use uint8_t* for input

Change `inputbuff` parameter from `const char *` to `const uint8_t *` to
reflect the binary nature of the input bytes. Half the code was casting
unsigned char to signed already in calling.

Closes #19722
This commit is contained in:
Stefan Eissing 2025-11-27 13:18:09 +01:00 committed by Daniel Stenberg
parent fd5a117a67
commit bbb929112b
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19 changed files with 33 additions and 30 deletions

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@ -602,7 +602,7 @@ static CURLcode ssh_check_fingerprint(struct Curl_easy *data,
/* The length of fingerprint is 32 bytes for SHA256.
* See libssh2_hostkey_hash documentation. */
if(curlx_base64_encode(fingerprint, 32, &fingerprint_b64,
if(curlx_base64_encode((const uint8_t *)fingerprint, 32, &fingerprint_b64,
&fingerprint_b64_len) != CURLE_OK) {
myssh_state(data, sshc, SSH_SESSION_FREE);
return CURLE_PEER_FAILED_VERIFICATION;