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@@ -2,7 +2,8 @@
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=head1 NAME
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-EVP_PKEY_copy_parameters, EVP_PKEY_missing_parameters, EVP_PKEY_cmp_parameters,
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+EVP_PKEY_missing_parameters, EVP_PKEY_copy_parameters, EVP_PKEY_parameters_eq,
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+EVP_PKEY_cmp_parameters, EVP_PKEY_eq,
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EVP_PKEY_cmp - public key parameter and comparison functions
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=head1 SYNOPSIS
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@@ -12,7 +13,9 @@ EVP_PKEY_cmp - public key parameter and comparison functions
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int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
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int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
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+ int EVP_PKEY_parameters_eq(const EVP_PKEY *a, const EVP_PKEY *b);
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int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
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+ int EVP_PKEY_eq(const EVP_PKEY *a, const EVP_PKEY *b);
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int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
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=head1 DESCRIPTION
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@@ -26,11 +29,11 @@ B<from> to key B<to>. An error is returned if the parameters are missing in
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B<from> or present in both B<from> and B<to> and mismatch. If the parameters
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in B<from> and B<to> are both present and match this function has no effect.
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-The function EVP_PKEY_cmp_parameters() compares the parameters of keys
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-B<a> and B<b>.
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+The function EVP_PKEY_parameters_eq() checks the parameters of keys
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+B<a> and B<b> for equality.
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-The function EVP_PKEY_cmp() compares the public key components and parameters
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-(if present) of keys B<a> and B<b>.
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+The function EVP_PKEY_eq() checks the public key components and parameters
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+(if present) of keys B<a> and B<b> for equality.
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=head1 NOTES
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@@ -40,7 +43,7 @@ parameters are sometimes omitted from a public key if they are inherited from
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the CA that signed it.
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Since OpenSSL private keys contain public key components too the function
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-EVP_PKEY_cmp() can also be used to determine if a private key matches
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+EVP_PKEY_eq() can also be used to determine if a private key matches
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a public key.
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=head1 RETURN VALUES
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@@ -52,8 +55,8 @@ doesn't use parameters.
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These functions EVP_PKEY_copy_parameters() returns 1 for success and 0 for
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failure.
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-The function EVP_PKEY_cmp_parameters() and EVP_PKEY_cmp() return 1 if the
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-keys match, 0 if they don't match, -1 if the key types are different and
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+The function EVP_PKEY_parameters_eq() and EVP_PKEY_eq() return 1 if their
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+inputs match, 0 if they don't match, -1 if the key types are different and
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-2 if the operation is not supported.
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=head1 SEE ALSO
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@@ -61,6 +64,14 @@ keys match, 0 if they don't match, -1 if the key types are different and
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L<EVP_PKEY_CTX_new(3)>,
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L<EVP_PKEY_keygen(3)>
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+=head1 HISTORY
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+
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+The function EVP_PKEY_cmp was deprecated and renamed to B<EVP_PKEY_eq> and
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+EVP_PKEY_cmp_parameters was deprecated and renamed to B<EVP_PKEY_parameters_eq>
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+(without changing semantics) in OpenSSL 3.0.
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+This was done to avoid confusion on their return values with other _cmp()
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+functions that return 0 in case their arguments are equal.
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+
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=head1 COPYRIGHT
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Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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