--- layout: default title: rpm.org - Signatures and Digests --- # Signatures and Digests Table describing signatures and digests which RPM uses to verify package contents: | RPMSIGTAG_ | RPMTAG_ | Version | Algorithm | Location | Range | | :---: | :-------: | :---: | :-----: | :--: | :-----: | | MD5 | SIGMD5 | 3.0 | MD5 | S | HP | | PGP | SIGPGP | 3.0 | OpenPGP/RSA | S | HP | | GPG | SIGGPG | 3.0 | OpenPGP/DSA | S | HP | | SHA1 | SHA1HEADER | 4.0 | SHA1 | S | H | | RSA | RSAHEADER | 4.0 | OpenPGP/RSA | S | H | | DSA | DSAHEADER | 4.0 | OpenPGP/DSA | S | H | | SHA256 | SHA256HEADER | 4.14 | SHA256 | S | H | | - | PAYLOADDIGEST | 4.14 | SHA256 (*) | H | Pc | | - | PAYLOADDIGESTALT | 4.16 | SHA256 (*) | H | P | | - | FILEMD5 | 3.0 | MD5 | H | F | | - | FILEDIGESTS | 4.6 | SHA256 (**) | H | F | * S = Signature header * H = Main header * P = Payload * F = Files in the payload (uncompressed) * c = compressed content * (*) = Configurable, defaults to SHA256 * (**) = Configurable, defaults to SHA256 in rpm >= 4.14, MD5 in older
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