Legacy DSA precomputation stub retained for ABI compatibility (deprecated; do not use).

Synopsis

Declared in <openssl/dsa.h>

[[deprecated]]
int
DSA_sign_setup(
    DSA* dsa,
    BN_CTX* ctx_in,
    BIGNUM** kinvp,
    BIGNUM** rp);
Warning

Deprecated. Use of this entity is allowed but discouraged.

Description

Calling this only adds overhead; it does not affect DSA_sign().

Return Value

1 on success, or 0 / ‐1 on error.

Parameters

Name

Description

dsa

DSA key (unused for signature math since OpenSSL 1.1.0 opaque DSA).

ctx_in

Optional BN_CTX, or NULL.

kinvp

Receives allocated BIGNUM output historically used as kˆ‐1 (caller frees); may be unused.

rp

Receives allocated BIGNUM output historically used as r (caller frees); may be unused.

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