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| author | Neil Horman <nhorman@openssl.org> | 2024-03-19 04:52:57 -0400 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2024-05-02 17:44:02 +0200 |
| commit | 54673b93594a71c9f8052a1df1a7c6bf07c49f4d (patch) | |
| tree | 612508c8812409017ee5b58a498f5fac05f3b67e | |
| parent | 1316aa05aae57cf47d8c8bfca38aaa042db1518f (diff) | |
Add docs noting requirements for SM2 signing
Reviewed-by: Paul Yang <kaishen.yy@antfin.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24078)
| -rw-r--r-- | doc/man7/EVP_PKEY-SM2.pod | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/man7/EVP_PKEY-SM2.pod b/doc/man7/EVP_PKEY-SM2.pod index 8bdc506cec..b073dc8b05 100644 --- a/doc/man7/EVP_PKEY-SM2.pod +++ b/doc/man7/EVP_PKEY-SM2.pod @@ -38,6 +38,9 @@ Getter that returns the default digest name. B<SM2> signatures can be generated by using the 'DigestSign' series of APIs, for instance, EVP_DigestSignInit(), EVP_DigestSignUpdate() and EVP_DigestSignFinal(). Ditto for the verification process by calling the 'DigestVerify' series of APIs. +Note that the SM2 algorithm requires the presence of the public key for signatures, +as such the B<OSSL_PKEY_PARAM_PUB_KEY> option must be set on any key used in signature +generation. Before computing an B<SM2> signature, an B<EVP_PKEY_CTX> needs to be created, and an B<SM2> ID must be set for it, like this: |