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charset=\"UTF-8\"","Content-ID":"<119509137A08E6409F69235A858B3A8F@EURPRD10.PROD.OUTLOOK.COM>","MIME-Version":"1.0","X-OriginatorOrg":"siemens.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-AuthSource":"DB9PR10MB5404.EURPRD10.PROD.OUTLOOK.COM","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n e73b6d40-24b7-407c-e77a-08de9faf53cb","X-MS-Exchange-CrossTenant-originalarrivaltime":"21 Apr 2026 14:07:30.6606\n (UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"38ae3bcd-9579-4fd4-adda-b42e1495d55a","X-MS-Exchange-CrossTenant-mailboxtype":"HOSTED","X-MS-Exchange-CrossTenant-userprincipalname":"\n 7lzzlG6btBfgOERVQ9RAtnHvrV2PZCvUzznzl+u6u68xgPcr7DBcGC4+MbtDDyMlFusBZrYlOC6dkOxpHnurMuT4qK0itIrb5xJeDtuTtqk=","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"GVXPR10MB8224","X-Original-Sender":"christian.storm@siemens.com","X-Original-Authentication-Results":"gmr-mx.google.com; dkim=pass\n header.i=@siemens.com header.s=selector2 header.b=xjgZk5jJ; arc=pass\n (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass\n fromdomain=siemens.com); spf=pass (google.com: domain of\n christian.storm@siemens.com designates 2a01:111:f403:c201::6 as permitted\n sender) smtp.mailfrom=christian.storm@siemens.com; dmarc=pass (p=REJECT\n sp=REJECT dis=NONE) header.from=siemens.com","X-Original-From":"\"Storm, Christian\" ","Reply-To":"\"Storm, Christian\" ","Precedence":"list","Mailing-list":"list swupdate@googlegroups.com;\n contact swupdate+owners@googlegroups.com","List-ID":"","X-Spam-Checked-In-Group":"swupdate@googlegroups.com","X-Google-Group-Id":"605343134186","List-Post":",\n ","List-Help":",\n ","List-Archive":",\n ","List-Unsubscribe":"\n ,\n "},"content":"From: Felix Moessbauer \n\nThe HASH_final implementations are expected to return 0 on success and a\nnegative value on error. While the mbedtls_HASH_final correctly\nimplements this interface, it still is better to align the return codes\nacross the backends - what we do in this commit.\n\nWhile doing so, we also document the expected return values of the\ncrypto backends.\n\nSigned-off-by: Felix Moessbauer \n---\ncrypto/swupdate_HASH_mbedtls.c | 2 +-\ninclude/swupdate_crypto.h | 4 ++++\n2 files changed, 5 insertions(+), 1 deletion(-)","diff":"diff --git a/crypto/swupdate_HASH_mbedtls.c b/crypto/swupdate_HASH_mbedtls.c\nindex 4165b940..9005256b 100644\n--- a/crypto/swupdate_HASH_mbedtls.c\n+++ b/crypto/swupdate_HASH_mbedtls.c\n@@ -99,7 +99,7 @@ static int mbedtls_HASH_final(void *ctx, unsigned char *md_value,\n*md_len = mbedtls_md_get_size(dgst->mbedtls_md_context.md_info);\n#endif\n}\n- return 1;\n+ return 0;\n\n}\n\ndiff --git a/include/swupdate_crypto.h b/include/swupdate_crypto.h\nindex aa9da964..0e579dfb 100644\n--- a/include/swupdate_crypto.h\n+++ b/include/swupdate_crypto.h\n@@ -46,6 +46,10 @@ typedef struct {\nvoid (*DECRYPT_cleanup)(void *ctx);\n} swupdate_decrypt_lib;\n\n+/*\n+ * Return:\n+ * 0 on success, < 0 on error\n+ */\ntypedef struct {\nvoid *(*HASH_init)(const char *SHAlength);\nint (*HASH_update)(void *ctx, const unsigned char *buf, size_t len);\n","prefixes":["2/2"]}