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argon2 — Calculate Argon2 cryptographic hashes. More information: <https://github.com/P-H-C/phc-winner-argon2

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the argon2 command: Calculate Argon2 cryptographic hashes. More information: <https://github.com/P-H-C/phc-winner-argon2#command-line-utility>.

Solution

argon2 — Calculate Argon2 cryptographic hashes. More information: <https://github.com/P-H-C/phc-winner-argon2#command-line-utility>.

Calculate a hash with a password and a salt with the default parameters:

echo "{{password}}" | argon2 "{{salt_text}}"

Calculate a hash with the specified algorithm:

echo "{{password}}" | argon2 "{{salt_text}}" -{{d|i|id}}

Display the output [e]ncoded hash without additional information:

echo "{{password}}" | argon2 "{{salt_text}}" -e

Calculate a hash with given iteration [t]imes, [m]emory usage, and [p]arallelism parameters:

echo "{{password}}" | argon2 "{{salt_text}}" -t {{5}} -m {{20}} -p {{7}}

Code Snippets

Calculate a hash with a password and a salt with the default parameters

echo "{{password}}" | argon2 "{{salt_text}}"

Calculate a hash with the specified algorithm

echo "{{password}}" | argon2 "{{salt_text}}" -{{d|i|id}}

Display the output [e]ncoded hash without additional information

echo "{{password}}" | argon2 "{{salt_text}}" -e

Calculate a hash with given iteration [t]imes, [m]emory usage, and [p]arallelism parameters

echo "{{password}}" | argon2 "{{salt_text}}" -t {{5}} -m {{20}} -p {{7}}

Context

tldr-pages: common/argon2

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