2018年4月7日 · openssl dgst -sha256 -hmac What I understand is it is a call to the openssl command to produce a digest, the digest will be of the sha256 variety as agreed on by standard specs. What I don't understand is the -hmac flag.

openssl dgst -ecdsa-with-SHA1 test.pdf > hash openssl dgst openssl dgst -ecdsa-with-SHA1 -inkey private.pem -keyform PEM -in hash > signature Verify file: openssl dgst -ecdsa-with-SHA1 -verify public.pem -signature signature.bin data The part to sign and verify dosen't work.

2021年1月11日 · Though, Not an OpenSSL solution, In Linux; openssl dgst -hmac "myHmacKey" output.txt. outputs. HMAC-SHA256(output.txt ...

2020年5月20日 · From my understanding it should work because pkeyutl signs the same sha256 hash as it is generated via openssl dgst -sha256. Here we are using the same private and public keys so I dont get why the openssl dgst -verify is not able to …

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IF file.pem contains an RSA privatekey (in which case that name is misleading) the output is a "bare" RSA PKCS#1(v1.5) signature -- an N-bit number where N is the modulus size, rounded up if necessary which it rarely is because people generally use key sizes like 1024 and 2048, without any of the metadata normally used with a signature.

2017年6月21日 · Checking the man page for openssl-dgst (v1.0.2, but also valid for other less-recent versions) shows that the correct argument for a passphrase argument is -passin, not -pass.

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Note that the documentation for password options applying to most openssl commands (not just enc) is in the man page for openssl(1) also on the web under 'OPTIONS'.

2021年6月1日 · I was trying to run openssl dgst -sha1 -verify publKey.pem -signature signature SamplePDF.pdf, signature being a .file file which contains the text previously mentioned. Also worth mentioning I am using ECDSA and secp256k1 curve.