EVP_SignFinal

Finish a legacy Sign operation with an explicit library context and property query.

Synopsis

Declared in <openssl/evp.h>

int
EVP_SignFinal_ex(
    EVP_MD_CTX* ctx,
    unsigned char* md,
    unsigned int* s,
    EVP_PKEY* pkey,
    OSSL_LIB_CTX* libctx,
    char const* propq);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

ctx

Digest/sign context that has absorbed the message via EVP_DigestUpdate().

Output buffer for the signature.

Receives the signature length in bytes.

pkey

Private key used to produce the signature.

libctx

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

propq

Property query string, or NULL.

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