EVP_CIPHER_CTX_iv_length
size_t len2 = EVP_CIPHER_CTX_iv_length(c);
if (EVP_CIPHER_CTX_iv_length(ctx->header_evp) != 16)
evplen = EVP_CIPHER_CTX_iv_length(cc->evp);
evplen = EVP_CIPHER_CTX_iv_length(cc->evp);
if (EVP_CIPHER_CTX_iv_length(ctx) < 0)
if (len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
if (EVP_CIPHER_CTX_iv_length(ctx) < 0)
if (len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))