Support single-line PEM encoded RSA keys in RsaKeyConverters
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Signed-off-by: earlgrey02 <san06036@naver.com>
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RsaKeyConverterscurrently assumes that PEM-encoded RSA keys are provided in a multi-line format, where the PEM header, footer, and Base64-encoded content are separated across multiple lines.However, in environment variable–based configurations (ex.
.envfiles), PEM keys are commonly stored as single-line strings, with newline characters removed or escaped.Examples:
-----BEGIN PUBLIC KEY-----MIIBIjANBgkq...IDAQAB-----END PUBLIC KEY----------BEGIN PUBLIC KEY-----\nMIIBIjANBgkq...IDAQAB\n-----END PUBLIC KEY-----While these representations are functionally equivalent to the traditional multi-line PEM format, they are currently not supported by
RsaKeyConvertersand result in conversion failures.Therefore, this PR improves
RsaKeyConvertersto correctly handle single-line RSA keys while preserving the existing conversion structure.