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The aspeed ast2600 accumulative mode is described in datasheet ast2600v10.pdf section 25.6.4: 1. Allocating and initiating accumulative hash digest write buffer with initial state. * Since QEMU crypto/hash api doesn't provide the API to set initial state of hash library, and the initial state is already set by crypto library (gcrypt/glib/...), so skip this step. 2. Calculating accumulative hash digest. (a) When receiving the last accumulative data, software need to add padding message at the end of the accumulative data. Padding message described in specific of MD5, SHA-1, SHA224, SHA256, SHA512, SHA512/224, SHA512/256. * Since the crypto library (gcrypt/glib) already pad the padding message internally. * This patch is to remove the padding message which fed byguest machine driver. Signed-off-by: Troy Lee <troy_lee@aspeedtech.com> Signed-off-by: Steven Lee <steven_lee@aspeedtech.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220426021120.28255-3-steven_lee@aspeedtech.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
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