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@@ -827,7 +827,7 @@ int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
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* 0, on success
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* 0, on success
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* -1, when algo is unsupported
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* -1, when algo is unsupported
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*/
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*/
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-static int calculate_hash(const void *data, int data_len, const char *algo,
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+int calculate_hash(const void *data, int data_len, const char *algo,
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uint8_t *value, int *value_len)
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uint8_t *value, int *value_len)
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{
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{
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if (strcmp(algo, "crc32") == 0) {
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if (strcmp(algo, "crc32") == 0) {
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@@ -849,175 +849,6 @@ static int calculate_hash(const void *data, int data_len, const char *algo,
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return 0;
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return 0;
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}
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}
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-#ifdef USE_HOSTCC
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-/**
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- * fit_set_hashes - process FIT component image nodes and calculate hashes
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- * @fit: pointer to the FIT format image header
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- *
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- * fit_set_hashes() adds hash values for all component images in the FIT blob.
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- * Hashes are calculated for all component images which have hash subnodes
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- * with algorithm property set to one of the supported hash algorithms.
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- *
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- * returns
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- * 0, on success
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- * libfdt error code, on failure
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- */
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-int fit_set_hashes(void *fit)
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-{
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- int images_noffset;
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- int noffset;
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- int ndepth;
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- int ret;
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-
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- /* Find images parent node offset */
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- images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
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- if (images_noffset < 0) {
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- printf("Can't find images parent node '%s' (%s)\n",
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- FIT_IMAGES_PATH, fdt_strerror(images_noffset));
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- return images_noffset;
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- }
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-
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- /* Process its subnodes, print out component images details */
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- for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth);
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- (noffset >= 0) && (ndepth > 0);
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- noffset = fdt_next_node(fit, noffset, &ndepth)) {
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- if (ndepth == 1) {
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- /*
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- * Direct child node of the images parent node,
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- * i.e. component image node.
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- */
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- ret = fit_image_set_hashes(fit, noffset);
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- if (ret)
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- return ret;
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- }
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- }
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-
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- return 0;
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-}
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-
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-/**
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- * fit_image_set_hashes - calculate/set hashes for given component image node
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- * @fit: pointer to the FIT format image header
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- * @image_noffset: requested component image node
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- *
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- * fit_image_set_hashes() adds hash values for an component image node. All
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- * existing hash subnodes are checked, if algorithm property is set to one of
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- * the supported hash algorithms, hash value is computed and corresponding
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- * hash node property is set, for example:
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- *
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- * Input component image node structure:
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- *
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- * o image@1 (at image_noffset)
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- * | - data = [binary data]
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- * o hash@1
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- * |- algo = "sha1"
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- *
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- * Output component image node structure:
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- *
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- * o image@1 (at image_noffset)
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- * | - data = [binary data]
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- * o hash@1
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- * |- algo = "sha1"
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- * |- value = sha1(data)
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- *
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- * returns:
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- * 0 on sucess
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- * <0 on failure
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- */
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-int fit_image_set_hashes(void *fit, int image_noffset)
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-{
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- const void *data;
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- size_t size;
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- char *algo;
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- uint8_t value[FIT_MAX_HASH_LEN];
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- int value_len;
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- int noffset;
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- int ndepth;
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-
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- /* Get image data and data length */
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- if (fit_image_get_data(fit, image_noffset, &data, &size)) {
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- printf("Can't get image data/size\n");
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- return -1;
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- }
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-
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- /* Process all hash subnodes of the component image node */
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- for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
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- (noffset >= 0) && (ndepth > 0);
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- noffset = fdt_next_node(fit, noffset, &ndepth)) {
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- if (ndepth == 1) {
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- /* Direct child node of the component image node */
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-
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- /*
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- * Check subnode name, must be equal to "hash".
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- * Multiple hash nodes require unique unit node
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- * names, e.g. hash@1, hash@2, etc.
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- */
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- if (strncmp(fit_get_name(fit, noffset, NULL),
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- FIT_HASH_NODENAME,
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- strlen(FIT_HASH_NODENAME)) != 0) {
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- /* Not a hash subnode, skip it */
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- continue;
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- }
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-
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- if (fit_image_hash_get_algo(fit, noffset, &algo)) {
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- printf("Can't get hash algo property for '%s' hash node in '%s' image node\n",
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- fit_get_name(fit, noffset, NULL),
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- fit_get_name(fit, image_noffset, NULL));
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- return -1;
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- }
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-
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- if (calculate_hash(data, size, algo, value,
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- &value_len)) {
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- printf("Unsupported hash algorithm (%s) for '%s' hash node in '%s' image node\n",
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- algo, fit_get_name(fit, noffset, NULL),
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- fit_get_name(fit, image_noffset, NULL));
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- return -1;
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- }
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-
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- if (fit_image_hash_set_value(fit, noffset, value,
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- value_len)) {
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- printf("Can't set hash value for '%s' hash node in '%s' image node\n",
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- fit_get_name(fit, noffset, NULL),
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- fit_get_name(fit, image_noffset, NULL));
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- return -1;
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- }
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- }
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- }
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-
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- return 0;
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-}
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-
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-/**
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- * fit_image_hash_set_value - set hash value in requested has node
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- * @fit: pointer to the FIT format image header
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- * @noffset: hash node offset
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- * @value: hash value to be set
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- * @value_len: hash value length
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- *
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- * fit_image_hash_set_value() attempts to set hash value in a node at offset
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- * given and returns operation status to the caller.
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- *
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- * returns
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- * 0, on success
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- * -1, on failure
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- */
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-int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value,
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- int value_len)
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-{
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- int ret;
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-
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- ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
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- if (ret) {
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- printf("Can't set hash '%s' property for '%s' node(%s)\n",
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- FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
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- fdt_strerror(ret));
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- return -1;
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- }
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-
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- return 0;
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-}
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-#endif /* USE_HOSTCC */
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-
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/**
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/**
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* fit_image_check_hashes - verify data intergity
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* fit_image_check_hashes - verify data intergity
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* @fit: pointer to the FIT format image header
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* @fit: pointer to the FIT format image header
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