EVP_PKEY_digestsign_supports

Query whether digest name can be used for DigestSign/Verify with pkey.

Synopsis

Declared in <openssl/evp.h>

int
EVP_PKEY_digestsign_supports_digest(
    EVP_PKEY* pkey,
    OSSL_LIB_CTX* libctx,
    char const* name,
    char const* propq);

1 if supported, 0 if not, or a negative value on failure.

Name

Description

pkey

Public key whose signature algorithm is checked.

libctx

Library context for algorithm fetches, or NULL for the default.

name

Digest algorithm name (for example "SHA256").

propq

Property query for provider selection, or NULL.

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