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Add base64url routines.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-04-21 17:09:51 +02:00
parent 11a8923148
commit 9ab9d96af5
5 changed files with 80 additions and 6 deletions
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5
src/usb/lwip/rest_server.c
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@@ -24,7 +24,6 @@
#include <ctype.h>
#include <strings.h>
#include "mbedtls/base64.h"
#include "mbedtls/md.h"
#include "mbedtls/hkdf.h"
#include "crypto_utils.h"
@@ -615,7 +614,7 @@ static int rest_verify_request_signature(const rest_request_t *request, const re
if (md_info == NULL) {
return PICOKEYS_ERR_MEMORY_FATAL;
}
if (mbedtls_base64_decode(hmac_x, sizeof(hmac_x), &olen, (const unsigned char *)request->headers[REST_HEADER_X_SIGNATURE], strlen(request->headers[REST_HEADER_X_SIGNATURE])) != 0) {
if (base64url_decode(hmac_x, sizeof(hmac_x), &olen, (const unsigned char *)request->headers[REST_HEADER_X_SIGNATURE], strlen(request->headers[REST_HEADER_X_SIGNATURE])) != 0) {
return PICOKEYS_EXEC_ERROR;
}
mbedtls_md_init(&ctx);
@@ -707,7 +706,7 @@ void rest_handle_request(rest_conn_t *conn) {
send_json_error(conn, 401, "authentication_required");
return;
}
rest_session_t *session = rest_session_get((const uint8_t *)request->headers[REST_HEADER_X_SESSION_ID], strlen(request->headers[REST_HEADER_X_SESSION_ID]));
rest_session_t *session = rest_session_get_by_id_str(request->headers[REST_HEADER_X_SESSION_ID]);
if (!session) {
send_json_error(conn, 401, "authentication_required");
return;