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Fix error return check of EVP_CIPHER_CTX_ctrl() #18987

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Fix error return check of EVP_CIPHER_CTX_ctrl() #18987

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4 changes: 2 additions & 2 deletions ext/openssl/openssl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7547,15 +7547,15 @@ static int php_openssl_cipher_init(const EVP_CIPHER *cipher_type,
return FAILURE;
}
if (mode->set_tag_length_always || (enc && mode->set_tag_length_when_encrypting)) {
if (!EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, NULL)) {
if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, NULL) != 1) {
php_error_docref(NULL, E_WARNING, "Setting tag length for AEAD cipher failed");
return FAILURE;
}
}
if (!enc && tag && tag_len > 0) {
if (!mode->is_aead) {
php_error_docref(NULL, E_WARNING, "The tag cannot be used because the cipher algorithm does not support AEAD");
} else if (!EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, (unsigned char *) tag)) {
} else if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, (unsigned char *) tag) != 1) {
php_error_docref(NULL, E_WARNING, "Setting tag for AEAD cipher decryption failed");
return FAILURE;
}
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