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doc: document that the "info" KDF param concatenates

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Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20724)
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Pauli 2023-04-13 12:20:08 +10:00
parent 8d18f20800
commit fc374a087e
1 changed files with 6 additions and 0 deletions
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6
doc/man3/EVP_KDF.pod
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@ -227,6 +227,12 @@ Some KDF implementations require a key.
For those KDF implementations that support it, this octet string parameter
sets the key.
=item "info" (B<OSSL_KDF_PARAM_INFO>) <octet string>
This parameter sets the info, fixed info, other info or shared info value.
You can specify this parameter multiple times, and each instance will
be concatenated to form the final value.
=item "maclen" (B<OSSL_KDF_PARAM_MAC_SIZE>) <unsigned integer>
Used by implementations that use a MAC with a variable output size (KMAC).