86 lines
2.8 KiB
Java
86 lines
2.8 KiB
Java
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package org.bouncycastle.util.io.pem;
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.io.Writer;
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import org.bouncycastle.util.Strings;
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import org.bouncycastle.util.encoders.Base64;
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/* loaded from: classes6.dex */
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public class PemWriter extends BufferedWriter {
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private static final int LINE_LENGTH = 64;
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private char[] buf;
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private final int nlLength;
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public void writeObject(PemObjectGenerator pemObjectGenerator) throws IOException {
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PemObject generate = pemObjectGenerator.generate();
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writePreEncapsulationBoundary(generate.getType());
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if (!generate.getHeaders().isEmpty()) {
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for (PemHeader pemHeader : generate.getHeaders()) {
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write(pemHeader.getName());
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write(": ");
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write(pemHeader.getValue());
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newLine();
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}
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newLine();
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}
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writeEncoded(generate.getContent());
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writePostEncapsulationBoundary(generate.getType());
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}
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public int getOutputSize(PemObject pemObject) {
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int length = (((pemObject.getType().length() + 10) + this.nlLength) << 1) + 10;
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if (!pemObject.getHeaders().isEmpty()) {
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for (PemHeader pemHeader : pemObject.getHeaders()) {
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length += pemHeader.getName().length() + 2 + pemHeader.getValue().length() + this.nlLength;
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}
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length += this.nlLength;
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}
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int length2 = ((pemObject.getContent().length + 2) / 3) << 2;
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return length + length2 + (((length2 + 63) / 64) * this.nlLength);
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}
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private void writePreEncapsulationBoundary(String str) throws IOException {
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StringBuilder sb = new StringBuilder("-----BEGIN ");
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sb.append(str);
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sb.append("-----");
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write(sb.toString());
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newLine();
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}
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private void writePostEncapsulationBoundary(String str) throws IOException {
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StringBuilder sb = new StringBuilder("-----END ");
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sb.append(str);
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sb.append("-----");
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write(sb.toString());
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newLine();
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}
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private void writeEncoded(byte[] bArr) throws IOException {
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char[] cArr;
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int i;
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byte[] encode = Base64.encode(bArr);
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int i2 = 0;
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while (i2 < encode.length) {
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int i3 = 0;
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while (true) {
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cArr = this.buf;
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if (i3 != cArr.length && (i = i2 + i3) < encode.length) {
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cArr[i3] = (char) encode[i];
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i3++;
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}
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}
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write(cArr, 0, i3);
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newLine();
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i2 += this.buf.length;
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}
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}
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public PemWriter(Writer writer) {
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super(writer);
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this.buf = new char[64];
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String lineSeparator = Strings.lineSeparator();
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this.nlLength = lineSeparator != null ? lineSeparator.length() : 2;
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}
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}
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