[cryptotest] Remove rsa_pss_4096_sha512_mgf1_32 test#28790
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nasahlpa merged 1 commit intolowRISC:masterfrom Dec 4, 2025
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[cryptotest] Remove rsa_pss_4096_sha512_mgf1_32 test#28790nasahlpa merged 1 commit intolowRISC:masterfrom
nasahlpa merged 1 commit intolowRISC:masterfrom
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In `rsa_padding_pss_verify`, `salt_bytelen = digest_bytelen`. Hence, the test where we use a digest bytelen of 64 bytes (for SHA512) but only use a salt bytelen of 32 bytes cannot work. According to RFC 8017, 9.1.4: "Typical salt lengths in octets are hLen (the length of the output of the hash function Hash) and 0." Closes lowRISC#28656. Signed-off-by: Pascal Nasahl <[email protected]>
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Nice. Thanks for taking care of this @nasahlpa.
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In
rsa_padding_pss_verify,salt_bytelen = digest_bytelen. Hence, the test where we use a digest bytelen of 64 bytes (for SHA512) but only use a salt bytelen of 32 bytes cannot work.According to RFC 8017, 9.1.4: "Typical salt lengths in octets are hLen (the length of the output of the hash function Hash) and 0."
Closes #28656.