1 files changed, 31 insertions, 26 deletions

diff --git a/common/image-sig.c b/common/image-sig.c
index 8b4314d..455f2b9 100644
--- a/common/image-sig.c
+++ b/common/image-sig.c
@@ -72,32 +72,36 @@ struct crypto_algo crypto_algos[] = {
 
 };
 
-struct image_sig_algo image_sig_algos[] = {
-	{
-		"sha1,rsa2048",
-		&crypto_algos[0],
-		&checksum_algos[0],
-	},
-	{
-		"sha256,rsa2048",
-		&crypto_algos[0],
-		&checksum_algos[1],
-	},
-	{
-		"sha256,rsa4096",
-		&crypto_algos[1],
-		&checksum_algos[1],
+struct checksum_algo *image_get_checksum_algo(const char *full_name)
+{
+	int i;
+	const char *name;
+
+	for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
+		name = checksum_algos[i].name;
+		/* Make sure names match and next char is a comma */
+		if (!strncmp(name, full_name, strlen(name)) &&
+		    full_name[strlen(name)] == ',')
+			return &checksum_algos[i];
 	}
 
-};
+	return NULL;
+}
 
-struct image_sig_algo *image_get_sig_algo(const char *name)
+struct crypto_algo *image_get_crypto_algo(const char *full_name)
 {
 	int i;
+	const char *name;
+
+	/* Move name to after the comma */
+	name = strchr(full_name, ',');
+	if (!name)
+		return NULL;
+	name += 1;
 
-	for (i = 0; i < ARRAY_SIZE(image_sig_algos); i++) {
-		if (!strcmp(image_sig_algos[i].name, name))
-			return &image_sig_algos[i];
+	for (i = 0; i < ARRAY_SIZE(crypto_algos); i++) {
+		if (!strcmp(crypto_algos[i].name, name))
+			return &crypto_algos[i];
 	}
 
 	return NULL;
@@ -161,12 +165,14 @@ static int fit_image_setup_verify(struct image_sign_info *info,
 	info->keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
 	info->fit = (void *)fit;
 	info->node_offset = noffset;
-	info->algo = image_get_sig_algo(algo_name);
+	info->name = algo_name;
+	info->checksum = image_get_checksum_algo(algo_name);
+	info->crypto = image_get_crypto_algo(algo_name);
 	info->fdt_blob = gd_fdt_blob();
 	info->required_keynode = required_keynode;
 	printf("%s:%s", algo_name, info->keyname);
 
-	if (!info->algo) {
+	if (!info->checksum || !info->crypto) {
 		*err_msgp = "Unknown signature algorithm";
 		return -1;
 	}
@@ -196,8 +202,7 @@ int fit_image_check_sig(const void *fit, int noffset, const void *data,
 	region.data = data;
 	region.size = size;
 
-	if (info.algo->crypto->verify(&info, &region, 1, fit_value,
-				      fit_value_len)) {
+	if (info.crypto->verify(&info, &region, 1, fit_value, fit_value_len)) {
 		*err_msgp = "Verification failed";
 		return -1;
 	}
@@ -378,8 +383,8 @@ int fit_config_check_sig(const void *fit, int noffset, int required_keynode,
 	struct image_region region[count];
 
 	fit_region_make_list(fit, fdt_regions, count, region);
-	if (info.algo->crypto->verify(&info, region, count, fit_value,
-				      fit_value_len)) {
+	if (info.crypto->verify(&info, region, count, fit_value,
+				fit_value_len)) {
 		*err_msgp = "Verification failed";
 		return -1;
 	}